1 mole of potassium hydroxide would react with 1 mole of hydrochloric acid.
The balanced equation for the reaction is as follows:
[tex]KOH + HCl[/tex]→ [tex]KCl + H_{2} O[/tex]
Titration is defined as "the process of determining the quantity of a substance A by adding measured increments of substance B, the titrant, with which it reacts until exact chemical equivalence (the equivalence point) is achieved."
Titration is a common quantitative chemical analysis laboratory method for determining the concentration of an identified analyte. The titrant or titrator is a reagent that is prepared as a standard solution of known concentration and volume.
The titration's goal is to find the equivalence point, or the point at which chemically equivalent amounts of the reactants have been mixed. The amount of reactants mixed at the equivalence point is determined by the stoichiometry of the reaction.
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how many amperes of electricity are needed to electrolyze cu2 to cu if 1.15 moles of cu is produced in 4.8 seconds?
47542 amperes of electricity are needed to electrolyze Cu²⁺ to Cu if 1.15 moles of Cu is produced in 4.8 seconds.
Using the formula w= zit
where w,
The quantity of power transported through the electrolyte directly correlates to the amount of material created at an electrode during electrolysis. W is the mass of substance produced at an electrode, and It. or W = ZIt.
W = Zit ( Q= I*t ) Where, Z = Electrochemical Equivalent. Z = atomic weight/nF (n = no. of electron, F = 96500 )
z= atomic weight/ nF
z= 63.5/ 2 * 96500
z= 0.00032
∴w = 0.00032 *i * 4.8
w= number of moles* molecular weight
w= 1.15 * 63.5
w= 73.025
73.025= 0.00032 * i * 4.8
i= 73.025/ 0.00032 * 4.8
i= 47542 ampere
Therefore 47542 amperes of electricity are needed to electrolyze Cu² to cu.
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The only force acting on an object moving along the x-axis is the conservative force given by f(x) = (2. 00 n/m)x + (1. 00 n/m^3)x^3. What is the change in kinetic energy when the object moves from x = 1. 00 m to x = 2. 00 m?.
The change in kinetic energy when the object moves from x = 1. 00 m to x = 2. 00 m is -6.75J.
Given
Force [tex]$F(x)=2 x+x^3$[/tex]
Change in Potential Energy from x=1 to[tex]$x=2 \mathrm{~m}$[/tex] is given by
[tex]$$\begin{aligned}& \Delta U=\int F(x) d x \\& \Delta U=\int_1^2 F(x) d x \\& \Delta U=\int_1^2\left(2 x+x^3\right) d x \\& \Delta U=\left|x^2+\frac{x^4}{4}\right|_1^2 \\& \Delta U=6.75 J\end{aligned}$$[/tex]
(b)Change in Kinetic Energy
If the Force is conservative in nature then the total change in mechanical energy is zero thus
Thus [tex]$\Delta K . E .=U_1-U_2=-\Delta U=-6.75 . J$[/tex]
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Calcite (caco3) is a crystal with abnormally large birefringence. The index of refraction for light with electric field parallel to the optical axis (called extraordinary waves or e-waves) is 1. 4864. The index of refraction for light with electric field perpendicular to the optical axis (called ordinary waves or o-waves) is 1. 6584.
Calcite (caco3) is a crystal with exceptionally significant birefringence when a light wave travels through one medium to another. The right responses to the question are 42.28 and 37.08 degrees.
What do crystals and examples mean?
A few examples of everyday objects that are crystals include table salt, also known as sodium chloride and halite crystals, sugar, sometimes known as sucrose, and snowflakes. Several gemstones, such as diamond and quartz, are composed of crystals. There are numerous compounds that resemble crystals but are actually polycrystals.
Is crystal a gem?
"A crystal can't be a gemstone, but a diamond can be a crystal." In contrast to sugar, which is a gemstone but not a crystal,
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what kind of chemical formula would an ionic compound have if the compound consists of a face centered cubic lattice with
The formula of ionic compound forming face centered cubic lattice will be AB₃
The face centered cubic lattice has atom present at corner as well as all the faces of unit cell. suppose the we have two atom A and B forming FCC.
Atom present in corner contribute = 1/8
Atom present in face contribute = 1/2
A atom present in the corner = 8 x 1/8
A atom = 1 atom
B atom present in the faces of unit cell = 6 x 1/2
B atom = 3 atom
Chemical formula of ionic compound = AB₃
Hence, ionic compound exist in AB₃ formula in FCC.
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What is ANFO made of
Answer:
(AN) Ammonium nitrate ( 94% )
(FO) Diesel fuel ( 6% )
Explanation:
the reactants of a chemical equation are 3h2 and n2, which set of atoms must make up the equations product so that the equation models the law of conservation of mass
There are 6 hydrogens and 2 nitrogen when 3h2 reacts with N2 such that the equation follows the law of conservation of mass.
It is already balanced when N2(g) + 3H2(g) 2NH3(g). There are two nitrogens on the left and two on the right, as you can see. On the left, there are 6 hydrogens, and on the right, there are 6.
The law of conservation of mass, also known as the principle of mass conservation, in physics and chemistry states that for any system closed to all transfers of matter and energy, the mass of the system must remain constant over time because the mass of the system cannot change and therefore quantity cannot be added to or subtracted.
According to the rule of conservation of mass, mass is neither generated nor destroyed during a chemical process. For instance, when coal is burned, the carbon atom in it transforms into carbon dioxide.
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outline the best method for preparing the following ketone from an appropriate alcohol in one step. draw the starting alcohol and select the best reagent.
A ketone is a functional group in organic chemistry with the formula R-C(=O)-R', where R and R' can be any number of carbon-containing substituents. A carbonyl group, or C(=O)-, or carbon-oxygen double bond, is present in ketones.
What is reagent?
Reagents are substances or mixtures that are added to a system in order to start a chemical reaction or determine whether one has already happened. A reagent can be used to test for the presence of a certain chemical by generating a reaction with it.
Reagents can be substances or combinations. Small inorganic or organic molecules make up the majority of compounds in organic chemistry. The Grignard reagent, the Tollens reagent, the Collins reagent, the Fehling reagent, and the Fenton reagent are examples of reagents. To be used as a reagent, a chemical does not necessarily need to contain the word "reagent" in its name.
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Why is air cooled before nitrogen and oxygen are obtained
Answer:
The main reason why air is cooled before nitrogen and oxygen are obtained is because these two gases are much more soluble in cold air than in warm air. As a result, if air were not cooled before these gases were separated, they would simply mix back together again.
how many l of oxygen (total) (at 350 degrees c and at 5.25 atm) are needed to convert 5.00 g of s to so3? s (solid) o2 (gas) --> so2 (gas) then 2so2 (gas) o2 (gas) --> 2so3 (gas)
2.19 liters of oxygen at 350 °C and at 5.25 atm are needed to convert 5.00 g of S to SO₃.
Using the equation- S + 3/2 O₂ → SO₃
Moles of sulfur- 5/32 = 0.15 mol
Given the stoichiometry, we require- 3/2 * 0.5
Mol of dioxygen gas = 0.225 mol.
And now we solve for volume in the Ideal Gas equation as V = nRT /PV
The equation of state for a fictitious ideal gas is known as the ideal gas law, sometimes known as the generic gas equation. Although it has some restrictions, it is a good approximation of the behavior of numerous gases under various circumstances. Benoît Paul Émile Clapeyron introduced it for the first time in 1834 as a synthesis of the empirical Boyle's law, Charles' law, Avogadro's law, and Gay-Lussac's law. The empirical form of the ideal gas law is frequently used:
PV=nRT
∴V = nRT /PV
⇒0.225 mol x 0.0821L atm K⁻¹ x 623 K / 5.25
⇒V= 2.19 L
Hence, 2.19 Liters of oxygen at 350 °C and at 5.25 atm are needed to convert 5.00 g of S to SO₃.
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for a two-phase mixture at equilibrium at a given temperature and pressure, if both species are present in the two phases, the activity of each species must be spatially uniform throughout the two phases, true or false?
For a pure substance, two phases that are in thermodynamic equilibrium must share the same chemical potential. The Clausius-Clapeyron equation, which can be used to define the phase boundary between the phases, can be used for this.
At low temperatures and high pressure, the solid phase is preferred; at high temperatures and low pressure, the gas phase is preferred. The temperature and pressure ranges at which two phases can coexist in equilibrium are represented by the lines in a phase diagram.
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using the chemical equation to help you, how many nadphs are required to fix one molecule of co2 in the calvin-benson cycle?
In the Calvin-Benson cycle, 1 molecule of CO2 requires 3 molecules of NADPH for fixation.
This is because the Calvin-Benson cycle involves the reduction of CO2 to glucose, which requires three molecules of NADPH for the reduction reactions. NADPH is a type of coenzyme that helps in providing electrons for the reduction of CO2 to glucose. So, to fix one molecule of CO2 in the Calvin-Benson cycle, three molecules of NADPH are required.
Chemical equation: 3ATP + 2 NADPH2
What is the Calvin-Benson cycle?Also known as the reductive pentose phosphate cycle or the C3 cycle, is a series of biochemical reactions that plants use to fix carbon dioxide and produce carbohydrates.
The cycle begins with the fixation of carbon dioxide into a glycerate 3-phosphate molecule, which is then reduced to a 3-carbon sugar molecule. The sugar molecule is then converted into other molecules such as fructose 6-phosphate and ribulose 5-phosphate, which are then used to form other molecules such as glucose and starch.
Complete question:
Using the chemical equation to help you, how many nadphs are required to fix one molecule of co2 in the calvin-benson cycle?
Chemical equation: 3ATP + 2 NADPH2
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what are the typical advantages of using hot forming/working (compared to cold forming/working)? [select all that apply]
In comparison to hot working, cold working uses less heating, yields a better surface polish, has greater dimensional qualities, and has fewer contamination issues.
Heat is the energy transfer that happens as a result of the temperature differential between a system and its surroundings. Heat is the energy transmission that uses or stimulates disordered molecular motion in the environment at the molecular level. Heating is the result of the movement of kinetic energy from one media or item to another, or from an energy source to a medium or object. Radiation, conduction, and convection are the three possible mechanisms for this type of energy transmission. When the temperature rises, atoms and molecules move more quickly and collide, creating thermal energy (also known as heat energy). Thermal energy is the power that results from the heated object's temperature.
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The activity series ranks metallic ions from most reactive to least reactive.
In addition to metallic ions, we should consider the halogens. The elements in the
halogen family are ranked from most active to least as we move down the column.
That means a halogen at the top of the column will replace the elements below
them on the periodic table but not the other way around.
Based on this information determine which reaction will not occur?
Due to the activity series that is given in the image, the reaction that will not take place is FeCl₂ + Br₂ , thus, option A is correct.
What is the equation about?From the nature of the question above, we must infer the response that won't happen and as such:
2NaI + Cl₂
Because chlorine can replace iodine, this reaction will take place. Chlorine is higher on the activity series, which explains why.
Sn + H₂SO₄
Due to the fact that tin (Sn) can dispense hydrogen from the acid, this reaction will take place.
FeCl₂ + Br₂
So, since Chlorine cannot be replaced by Bromine, this reaction won't take place. This is due to Bromine's lower position on the activity series than Chlorine.
Fe(NO₃)₃ + Al
Aluminum's ability to replace iron will cause this reaction to take place. This is so that Aluminum (Al) ranks higher than Iron in the activity series (Fe).
Therefore, one can say that the reaction is thus: FeCl₂ + Br₂ ,
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in which area of the peirodic table are the elements with the strongest nonmetallic properties located
The elements with the strongest nonmetallic properties are located in the upper right side of the periodic table.
A non-metallic chemical element that may create anions, acid oxides, acids, and stable hydrogen compounds. Examples include boron, carbon, and nitrogen. It belongs to group 13 to 17.
Elements with 4, 5, or 7 electrons in their outermost shell are considered non-metals. Non-metals include things like carbon, oxygen, chlorine, etc.
Natural substances known as non-metals are brittle and thermally and electrically inert (can not be easily rolled, moulding, extruding or pressing). The non-metallic elements in the periodic table are hydrogen, carbon, nitrogen, oxygen, phosphorus, arsenic, and selenium.
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Sulfuric acid is commonly used as an electrolyte in car batteries. Suppose you spill some on your garage floor. Before cleaning it up, you wisely decide to neutralize it with sodium bicarbonate (baking soda) from your kitchen. The reaction of sodium bicarbonate and sulfuric acid is
2NaHCO3(s) + H2SO4(aq)
→
Na2SO4(aq) + 2CO2(g) + 2H2O(l)
You estimate that your acid spill contains about 1.4 mol H2SO4. What mass of NaHCO3 do you need to neutralize the acid?
__×10 __g
2.8 moles of sodium bicarbonate (NaHCO3) are needed to neutralize 1.4 moles of sulfuric acid (H2SO4), considering that the balanced equation of the reaction between NaHCO3 and H2SO4 in the car battery is
2NaHCO3(s) + H2SO4(aq) → Na2SO4(aq) + 2CO2(g) + 2H2O(l)
stoichiometric ratioIt is observed in the stoichiometric ratio of the reaction that for every 2 moles of NaHCO3, 1 of H2SO4 is needed.
Therefore, only a rule of three is required to determine how many moles of NaHCO3 are needed to neutralize 1.4 mol of H2SO4
Rule of three2 mol of NaHCO3 ----------- 1 mol of H2SO4
X mol of NaHCO3 --------- 1.4 mol of H2SO4
X = 1.4 x 2 / 1 = 2.8 moles
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a medical laboratory catalog describes the pressure in a cylinder of a gas as 14.82 mpa. what is the pressure of this gas in atmospheres and torr?
Ideal gas law is valid only for ideal gas not for vanderwaal gas. Therefore, the pressure in atm and torr is 148.2 atm and 1,12,632 torr respectively.
What is ideal gas equation?Ideal gas equation is the mathematical expression that relates pressure volume and temperature. There is no force of attraction between the particles.
pressure= 14.82 mpa
= 14.82 × 10⁶ pa
1 atm = 10⁵ pa
1 Pa = 1/10⁵ atm
pressure= 14.82 × 10⁶× 1/10⁵ atm
= 148.2 atm
1 atm = 760 torr
pressure= 148.2 ×760 torr
= 1,12,632 torr
Therefore, the pressure in atm and torr is 148.2 atm and 1,12,632 torr respectively.
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which greenhouse gas listed here has the longest atmospheric lifetime? carbon dioxide methane nitrous oxide all greenhouse gases have approximately the same atmospheric lifetimes
Nitrous oxide have longest atmospheric lifetime of 121 years.
What is atmospheric lifetime?
The period of time it takes for the atmosphere to return to equilibrium after a dramatic change in a species' atmospheric concentration is called its atmospheric lifetime.
The longest atmospheric life of nitrous oxide is 121 years.
Methane has approximately 12.4 years.
Due to its conversion into carbon dioxide, carbon monoxide has even less energy.
Additionally, because carbon dioxide is not eliminated, its lifetime is not known.
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Combustion of a 0.9827-g sample of a compound containing only carbon, hydrogen, and oxygen produced 1.878 g of co2 and 1.153 g of h2o. what is the empirical formula of the compound?
The empirical equation is C4H11O2.
How do you locate empirical formulas?Mass of C=1.900g CO2×12.01 g C/44.01g CO2=0.5185 g C
Mass of H=1.070g H2O×2.016 g H/18.02g H2O=0.1197 g H
Mass of C + Mass of H =0.5185 g + 0.1197 g =0.6382 g
This is less than the mass of the sample.
The missing mass must be caused by O.
Mass of O = 0.9827 g - 0.6382 g = 0.3445 g
Now, we must convert these masses to moles and find their ratios.
we get, The empirical formula is C4H11O2.
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5.provide an example of each of the following types of reactions: a.neutralization b.acid and metal c.acid and metal oxide
a. Neutralization: strong acid and strong bases and strong acid and weak bases b. Acid and metal: sulphuric acid and nitric acid c. acid and metal oxide: basic oxides and neutral oxides.
Give an example of a neutralizing reaction.Response to Neutralization: Strong acid and strong base reactions produce a salt that is neither acidic nor basic in nature, or neutral. For instance, sodium chloride and water are produced when HCl (hydrochloric acid), a powerful acid, combines with NaOH, a powerful base.
What does neutralizing an acid entail?The interaction of H+ ions and OH- ions produces water in a neutralization reaction, which occurs when an acid and a base react to form water and a salt.
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what compound forms when one molecule of hcl and one molecule of nh3 combine? it is an ionic compound.
One molecule of nh3 and one molecule of hcl combine to make NH4CL. Ionic compound describes it. In the process of neutralization, a basic solution balances out an acidic solution.
This keeps the pH at 7, which is a neutral value. The hydrogen ion and hydroxide ions are equal in this neutralized solution; nothing is in excess. Here, NH3 and HCl operate as a strong acid and a weak base, respectively, in a neutralization reaction that results in the formation of salt. The resultant salt's pH changes to 7 in this neutralization reaction. Titration aids in the neutralization's occurrence. An ionic compound in chemistry is a chemical complex made up of ions kept together by electrostatic forces is known as ionic compound.
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sometimes a particle of radiation penetrates a substance and continues on its way, and sometimes it doesn’t. for the particles that don’t make it through a substance, what happened to them? at the atomic level, what did they hit? an atom, sure, but what part of the atom do you think they hit?
a.they are unstable and highly reactive molecules. sometimes a particle of radiation penetrates a substance and continues on its way, and sometimes it doesn’t. for the particles that don’t make it through a substance.
The definition of radiation is energy that emanates from a source and moves at the speed of light through space. This energy has wave-like characteristics and is surrounded by an electric and magnetic field. Electromagnetic waves are another name for radiation. Our cells' DNA can be harmed by radiation. High radiation doses can result in cutaneous radiation injuries (CRI) or acute radiation syndrome (ARS). Cancer later in life may also result from high radiation doses. Radiation is the emission or transmission of energy as waves or particles through a material medium or through space.
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a firm runs its technology operations on a fleet of amazon ec2 instances. the firm needs a certain software to be available on the instances to support their daily workflows. the developer team has been told to use the user data feature of ec2 instances.
User Data is generally used to perform common automated configuration tasks and even run scripts after the instance starts. When you launch an instance in Amazon EC2, you can pass two types of user data - shell scripts and cloud-init directives. You can also pass this data into the launch wizard as plain text or as a file.
In general, a configuration is the arrangement of the components that make up a whole, or the act of creating that arrangement. A configuration, or particular shape, is produced when objects are placed in any spatial arrangement. As an illustration, scientists refer to a configuration as the particular, bound arrangement of atoms that forms a molecule.
Text, observations, figures, photos, numbers, graphs, and symbols can all be used as forms of data. Individual prices, weights, addresses, ages, names, temperatures, dates, or distances, for instance, could be included in the data. Data is an unprocessed type of knowledge and has no meaning or use by itself.
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Use equation (14.2) to make a semilog plot of conduction electron concentration versus (1/kT) for intrinsic (pure) silicon. The conduction electron concentration in Si at T=293 K (room temperature) is 1010 cm−3. (b) Below what temperature are there essentially no charge carriers in pure Si (say, less than one carrier per cm3 )? (c) Is there some temperature below the melting point of Si (Tmelting =1690 K ) at which the conduction electron concentration in Si is comparable to that of a metal?
If the surface concentration is 1018 atoms/cm3, the depth below the surface at which the concentration is 1017 atoms/cm3 is 0.32 cm.
The expression is as follows:
erf (x / 2 D t) = (Cs - Cx) / (Cs - Co)
where Cs = surface concentration = 1018 atoms/cm3
Cx = depth concentration = 1017 atoms/cm3
Co - solute concentration in solid
erf stands for error function.
(1018 - 1017) / 1018 = (Cs - Cx) / (Cs - Co)
= 0.00098
erf (x / 2 D t) = 0.00098
0.000868 = x / 2 √ 2 × 10⁻² × 5 (3600) (3600)
x = 0.32 cm
0.32 cm is the depth.
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without doing any calculations, determine the sign of δssys for each of the following chemical reactions. drag the appropriate items to their respective bins.
Entropy is stated to diminish as a system switches from an ordered to a disordered layout, and vice versa. When randomness rises, ΔS is positive.
What does ΔS stand for?Heat transport (delta Q) divided by temperature equals the change of entropy (delta ΔS ) (T). (Delta Q / T) = delta ΔS If a physical process can be reversed, the entropy of the environment and the system will stay constant.
What are ΔS measured in units?The Connection Between 'ΔH' and 'ΔS 'One thing to bear in mind when using any one of these equations in computations is that while ΔS values are typically reported as J/K.mol, G and ΔH values are frequently reported in kJ/mol.
Briefing1. 2H30' (aq) + CO23- (aq) - CO2(g) +3H2O(1)
2. CH4(g) + 202,(g) - CO2(g) + 2H2O(l)
3. Mg (s) + Cl2(g) - MgCǐ2(s)
4. SO3(g) + H2O(I) - H2SO4(I)
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how should you react to questions you are unable to answer in the question-and-answer session of a presentation? group of answer choices simply tell them you don't know. close the question-and-answer session.
When asked a question during the question-and-answer portion of a presentation and you are unable to answer it, just say you don't know.
To recognize your distracting nonverbal habits, rely on your memories of your presentation activities. Accept the inquiry with a good response. Be clear and succinct in your explanation of why you don't know the answer. Affirm that you will look into it for them. Explain how you'll contact them again.
You can gain some breathing room for your ideas by asking the same question again and for clarity. You may occasionally require some time to gather your thoughts before answering to a question. You might be able to buy yourself some extra time to gather your thoughts before responding.
A possible response is, "That's a nice question; can I think about it for a moment and come back to you later?" or "wonderful question I can respond to some of it, but I'd like to give it some thought first." Make appropriate eye contact, take a deep breath, and smile.
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assuming no changes, what effect on the rate would simultaneously doubling the concentration of both 1-bromobutane and koh have?
It would increase the rate by four times.
The charge of a chemical response is described because the exchange within the concentration of a reactant or a product over the alternate in time, and attention is in moles per liter, or molar, and time is in seconds. So we express the fee of a chemical reaction in molar according to second.
Reactant concentration, the bodily nation of the reactants, and surface area, temperature, and the presence of a catalyst are the 4 principal elements that affect response charge.
There are four factors that affect the price (pace) of a chemical response: temperature, concentration, particle length, use of a catalyst.
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arrange the following images of an aqueous base solution in order of decreasing base strength: rank images from strongest to weakest base. to rank items as equivalent, overlap them.
There were no image given in the statement hence providing information about strongest base to weakest base.
What is ?Strongest base:Any base which can be completely dissociated in an aqueous solution is termed as Strong base.
Some examples of strong base are:
Lithium Hydroxide.Sodium Hydroxide. Potassium Hydroxide.Rubidium Hydroxide.Cesium Hydroxide.Calcium HydroxideThe Strongest base is known as ortho-diethynylbenzene dianion.
Weak base:Any base which can't be completely dissociated in an aqueous solution is termed as Weak base . Some examples of weak base are:
Ammonia Aluminium hydroxideLead hydroxide Ferric hydroxide Copper hydroxideThe weakest base can be water.
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in one experiment, 23.91 ml of the 0.1403-m ce4 solution is required to react completely with 20.00 ml of the fe2 solution. calculate the concentration of the fe2 solution.
Concentration of the original fe₂ solution is 0.16772 M.
What is Concentration?
Concentration in chemistry is calculated by dividing a constituent's abundance by the mixture's total volume. Mass concentration, molarity, number concentration, as well as volume concentration are four different categories of mathematical description. Any type of chemical mixture can be referred to by the term "concentration," but solutes but also solvents in solutions are most frequently mentioned. There are different types of molar (amount) concentration, including normal concentration as well as osmotic concentration. Concentration is frequently described qualitatively in everyday, non-technical language by using adjectives like "dilute" for solutions with a low concentration as well as "concentrated" for solutions with a high concentration.
Here, we have given two solution with their conc. and volume.
So, formula used to calculate conc. is
M1V1 = M2V2
let,
M1 = molarity of fe2
V1 = volume of fe2 used
M2 = molarity of ce4
V2 = volume of ce4 used
now, M1 X 20 = 0.1403 x 23.91
M1 = 0.1403 X 23.91 / 20
M1 = O.16772
Hence, the concentration of fe2 is 0.16772 M.
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According to the electronegativity difference between the atoms in water, it would be appropriate to label hydrogen with the symbol 18+ and oxygen with the symbol 8+ st
The electronegativity of hydrogen is 2.0, while that of oxygen is 3.5.
Electronegativity is a chemical property that describes an atom's or functional group's tendency to attract electrons toward itself. An atom's electronegativity is affected by both its atomic number and the distance between its valence electrons and the charged nuclei.
It governs the distribution of shared electrons between two atoms in a bond. The greater an atom's electronegativity, the more strongly it attracts electrons in its bonds. The electronegativity of hydrogen is 2.0, while that of oxygen is 3.5. Because the difference in electronegativities is 1.5, water is a polar covalent molecule. This means that electrons are strongly attracted to the more electronegative element, but the atoms are not ionized.
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You add 100. 0 g of water at 60. 0°c to 100. 0 g of ice at 0. 00°c. Some of the ice melts and cools the water to 0. 00°c. When the ice and water mixture has come to a uniform temperature of 0°c, how much ice has melted?.
To calculate the amount of heat needed to melt ice;
Q = w x Cp x ∆T {where Cp is specific heat of material}
=100.0g (4.186J/g°c) (-60°C)
=-25116J
Heat lost by water is gained by ice,
q = m*ΔH
-25116J = m*333J/g
q = -75.4
Therefore, Mass of ice is 75.4 g.
What is mass?
It is a dimensionless quantity that expresses a particle or object's mass. The accepted unit of mass under the International System (SI) is the kilogram.
What is temperature?
Temperature is a measure of the average kinetic energy of the particles inside an object. The temperature increases cause these particles to move more quickly. It is possible to measure temperature using a thermometer or a calorimeter.
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