Answer: Name of the ether [tex]CH_{3}OCH_{3}[/tex] is dimethyl ether.
Explanation:
When alkyl groups are attached to an oxygen atom then the resulting compound is known as an ether.
While writing the name of ethers the alkoxy side which is the shorter side is named first and then the other side is named.
For example, [tex]CH_{3}OCH_{3}[/tex] contains two methyl groups so a prefix "di" will be added to it name.
Hence, its name is dimethyl ether.
Thus, we can conclude that name of the ether [tex]CH_{3}OCH_{3}[/tex] is dimethyl ether.
14. The illustration below shows two atoms of a fictitious element (M) forming a diatomic
molecule. What type of bonding occurs between these two atoms?
A. Covalent
B. Hydrogen
C. lonic
D. Polar
Covalent bonding involving covalent bonds is depicted between these two atoms as they form diatomic molecule.
What is a covalent bond?Covalent bond is defined as a type of bond which is formed by the mutual sharing of electrons to form electron pairs between the two atoms.These electron pairs are called as bonding pairs or shared pair of electrons.
Due to the sharing of valence electrons , the atoms are able to achieve a stable electronic configuration . Covalent bonding involves many types of interactions like σ bonding,π bonding ,metal-to-metal bonding ,etc.
Sigma bonds are the strongest covalent bonds while the pi bonds are weaker covalent bonds .Covalent bonds are affected by electronegativities of the atoms present in the molecules.Compounds having covalent bonds have lower melting points as compared to those with ionic bonds.
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What are the missing coefficients for C3H8 + o2 = Co2 +H2O
Answer: C3H8 + 5O2 = 3Co2 +4H2O
Explanation: Equations must be balanced
You must have the same amount of C
H and O on both sides of the equation
You are picking an order and come across a box of perfume. What should you do? Please choose all that apply
What is the partial pressure (in atm) of CO₂ at 468.2 K in a 25.0 L fuel combustion vessel if it contains 60.0 grams CO₂, 82.1 g H₂O, and 7.30 mol vaporized, yet uncombusted fuel?
Answer:
2.09 atm
Explanation:
Step 1: Given and required data
Mass of CO₂ (m): 60.0 gVolume of the vessel (V): 25.0 LTemperature (T): 468.2 KWe won't need the data of water and uncombusted fuel, since the partial pressures are independent of each other.
Step 2: Calculate the number of moles (n) corresponding to 60.0 g of CO₂
The molar mass of CO₂ is 44.01 g/mol.
60.0 g × 1 mol/44.01 g = 1.36 mol
Step 3: Calculate the partial pressure of CO₂
We will use the ideal gas equation.
P × V = n × R × T
P = n × R × T/ V
P = 1.36 mol × (0.0821 atm.L/mol.K) × 468.2 K/ 25.0 L = 2.09 atm
The partial pressure of [tex]\rm CO_2[/tex] in 25 L fuel combustion vessel has been 2.09 atm.
From the ideal gas equation:
PV =nRT
P= partial pressure
V = volume = 25 L
n = moles of carbon dioxide
Moles = [tex]\rm \dfrac{weight}{molecular\;weight}[/tex]
Moles of [tex]\rm CO_2[/tex] = [tex]\rm \dfrac{60}{44}[/tex] mol
Moles of [tex]\rm CO_2[/tex] = 1.36 mol
R = constant = 0.0821 atm.L/mol.K
T = temperature in Kelvin = 468.2 K
Partial pressure of [tex]\rm CO_2[/tex] = [tex]\rm \dfrac{1.36\;\times\0.0821\;\times\;468.2}{25}[/tex]
Partial pressure of [tex]\rm CO_2[/tex] = 2.09 atm.
The partial pressure of [tex]\rm CO_2[/tex] in 25 L fuel combustion vessel has been 2.09 atm.
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given mass of nitrogen is 0.12 dm^3 at 60°C and 1.01*10^5 Nm^2. Find its pressure at the same temperature if its volume is changed to 0.24 dm^3
50500Nm^2 or 5.05Nm^2
Explanation:
so bring out the parameters
p1= 0.12dm3, T1= 60c , because temperature is in kelvin add 273= 333k, v1= 0.12dm3 , T2= to the same value because the temperature didn't change = 333k, v2= 0.24dm3,P2= ?
general gas equation p1v1 over T1 = P2V2 over T2, when you input everything or make p2 the subject of the formula first you'll get the answer, pressure can have an s.i unit of mmhg but I'm using the same si unit as the question given and always check your units in the question to convert. please if this question has options please check, I don't want you to fail so verify from others if I made a mistake
√625/1000
simplification
Answer:
[tex]\dfrac{1}{40}[/tex]
Explanation:
To find [tex]\dfrac{\sqrt{625}}{1000}[/tex], then we have to solve the square root "625".
A square root is regarded as a factor that occurred from a number, that is when such a number is being multiplied by itself, it gives the actual number.
SO;
[tex]\dfrac{\sqrt{625}}{1000} \\ \\ = \dfrac{25}{1000} \\ \\ = \dfrac{5}{200} \\ \\ \mathbf{= \dfrac{1}{40}}[/tex]
is benzene saturated or unsaturated?
Answer:
Benzene shows that it is actually unsaturated because it adds hydrogen or chlorine, although only when allowed to react under very vigorous conditions (higher temperature or pressure) compared to those required for alkenes and alkynes.
Explanation:
There is a certain chemical logic to the steps of the citric acid cycle. One particular functional group plays a large role in facilitating most of the chemistry that goes on in the reactions. This group is electron withdrawing, which helps to stabilize carbanion intermediates and increase the reactivity of the methyl group of acetyl CoA. What is this functional group
Answer:
Carbonyl Groups
Explanation:
Electron-withdrawing substituents stabilize the carbon atoms in its surrounding. These chemical groups are Carbonyl groups which withdraw electrons because of the inductive effect and presence of double bond between C and O and also because of the polarity of the two atoms (Carbon and oxygen)
Can someone please solve this question?? Is an element in group 3 likely to bond with an element from group 2?? Explain using the number of balance electrons from each element and the tot number of balance electrons needed to fill an about shell
Answer:
An atom with one or two valence electrons more than a closed shell The number of valence electrons of an element can be determined Groups 3-12 (transition metals), 2* (The 4s shell is complete and cannot hold any more electrons) in explaining the molecular structure of many organic compounds.
Explanation:
Calculate the [H+] in a solution that has a pH or 5.21
Answer:
[H⁺] = 6.17×10¯⁶ M
Explanation:
From the question given above, the following data were obtained:
pH = 5.21
Concentration of Hydrogen ion [H⁺] =?
The pH of a solution is defined by the following equation:
pH = –Log [H⁺]
With the above formula, we can obtain the concentration of Hydrogen ion [H⁺] in the solution as follow:
pH = –Log [H⁺]
5.21 = –Log [H⁺]
Divide both side by –1
–5.21 = Log [H⁺]
Take the antilog of –5.21
[H⁺] = Antilog (–5.21)
[H⁺] = 6.17×10¯⁶ M
Therefore, the concentration of Hydrogen ion [H⁺] in the solution is 6.17×10¯⁶ M
A balloon has a volume of 7.00 liters at a pressure of 740 mm Hg. If the temperature remains constant, at what pressure will the volume decrease to 2.00 liters?
a. 749 mm Hg
b. 52.9 mm Hg
c. 211 mm Hg
d. 2590 mm Hg
Answer:
D
Explanation:
P1 x V1 = P2 x V2
7.00(740) = x(2.00)
2590 mm Hg
took me a while because i dont know this, hope its right good luck
i cant seem to figure out ANY of these... help when you can pls :.)
What is formed when a carboxylic acid and an amine combine? Give an example of the type of polymer that is formed by this reaction.
Answer:
The reaction between amines and carboxylic acids to form amides is biologically important. It is through this reaction that amino acids (molecules containing both amine and carboxylic acid substituents) link together in a polymer to form proteins.
write half-reactions that show how H2O2 can act as either an oxidizing agent or a reducing agent, and describe where each of these situations occurred in your testing.
Answer:
H2O2 reduces itself to H2O and also oxidizes to O2 simultaneously thereby acting both as an oxidizing and reducing agent .
Explanation:
When
H2O2 acts as an oxidizing agent
H2O2 + 2e- 2H+---> 2H2O
Reducing agent
H2O2 --> O2 + 2e + 2H+
H2O2 reduces itself to H2O and also oxidizes to O2 simultaneously thereby acting both as an oxidizing and reducing agent .
A 3.8 g sample of sodium hydrogen carbonate is added to a solution of acetic acid weighing 10.8 g. The two substances react, releasing carbon dioxide gas to the atmosphere. After the reaction, the contents of the reaction vessel weigh 11.6 g. What is the mass of carbon dioxide released during the reaction
Answer:
3.0 g
Explanation:
The total mass at the beginning of the reaction is:
3.8 g + 10.8 g = 14.6 gFollowing the law of conservation of mass, this same mass has to be present once the reaction is complete. This means that the mass diference between the contents of the reaction vessel after the reaction and the mass at the beginning of the reaction is the mass of released carbon dioxide:
14.6 g - 11.6 g = 3.0 gWhat does the cell theory state? Answer F All organisms are composed of a nucleus G All prokaryotes are composed of multiple cells H All prokaryotes are single celled organisms J All organisms are composed of cells
Answer:
(J) All organisms are composed of cells
What happens when KCl is dissolved in water?
1.
KCI is the solute in a homogeneous mixture.
2.
KCl is the solute in a heterogeneous mixture.
3
KCI is the solvent in a homogeneous mixture.
4.
KCI is the solvent in a heterogeneous mixture.
Answer:
KCI is rhe solute in a homogeneous mixture
Answer:
1. KCI is the solute in a homogeneous mixture.
Explanation:
Which of these pure substances is NOT a compound?
a. water
b. table salt
c. tin metal
Answer:
C
Explanation:
A is made of 2 hydrogen 1 oxygen
B is sodium chloride
C tin is a single element
Guided Notes: Types of Chemical Reactions:
1. Synthesis or Combination
A + B à AB
Example:
Magnesium + Oxygen gas à Magnesium Oxide
_________ + _______ à __________
2. Decomposition
AB à A + B
Example:
Calcium Oxide à Calcium + Oxygen
_______ à __________ + __________
3. Single Replacement
A + BX à AX + B
Example:
_________ + _______ à __________ + __________
4. Double Replacement
AX + BY à AY + BX
Example:
_________ + _______ à __________ + _________
5. Combustion
CxHyOz + O2 à CO2 + H2O
Example:
Propane + Oxygen à Carbon dioxide + water
_________ + _______ à __________ + _________
Classify the following chemical reactions:
Sodium and Chlorine gas à Sodium Chloride
_________ + _______ à __________ Type of Reaction: __________________
CaCO3 + HCl à CaCl2 + H2CO3 Type of Reaction: __________________
Al + ZnCl2 à AlCl3 + Zn Type of Reaction: __________________
Fe + O2 à Fe2O3 Type of Reaction: __________________
H2CO3 à CO2 + H2O Type of Reaction: __________________
Octane (C8H10) is burned in oxygen gas to produce
carbon dioxide and gaseous water
______ + _______ à _______ + ________ Type of Reaction: _________________
Answer:
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Which of the following elements can form compounds with an expanded octet? Which of the following elements can form compounds with an expanded octet? Na C Br H None of the above elements can form compounds with an expanded octet.
The element that can show an expanded octet in the list is Br.
Bromine has an electron configuration of [Ar] 3d¹⁰ 4s² 4p⁵. This means that still has accessible 4d orbitals to which electrons can be filled. This is the reason why it is able to expand its octet.
Recall that any element that has accessible higher energy orbitals to which electrons can be filled can easily expand its octet. Generally, first and second period elements do not expand their octet.
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Oxygen and ozone are allowed to come to equilibrium in the exothermic reaction 2O3(g) <--> 3O2(g) Which change will increase the numerical value of the equilibrium constant, K
Answer:
don't get the question2
A saturated solution of sucrose in 500.0 mL of boiling water is cooled to 20.0 0C. What mass of rock candy will be formed?
Answer:
1280.5g
Explanation:
When might a doctor prescribe
steroids?
Which term describes this reaction?
H
H
CEC
+
CI — CI
CI СІ
| |
H—C—C—
| |
Н H
H
addition
condensation
elimination
O substitution
Answer:
It is B Condensation
Explanation:
Condensation reaction is one of which involves addition which immediately followed by elimination of small molecules such as water and ammonia
The condensation reactions are also called the dehydration synthesis. Because these type of reactions loss water molecule or other molecules like ammonia, ethanol, etc. can also be lost. Here the given reaction is a condensation. The correct option is B.
A condensation reaction is an important reaction of organic chemistry which involves the joining of two molecules to produce a single molecule. This type of reaction generally involves the addition of two molecules by losing a minor molecule like water, hydrogen sulphide, acetic acid etc.
Thus the given reaction is option B.
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What quality is attributed to water due to “capillary action”?
A. change of liquid water into gaseous phase
B. the ability of water molecules to adhere to the surfaces of objects
C. high volatility
D. vapor pressure
Answer:
I think it's B. The ability of water molecules to adhere to the surfaces of objects
A student pours 10.0 g of salt into a container of water and observes the amount of time it takes for the salt to dissolve. She then repeats the process using the same amounts of salt and water but this time she slowly stirs the mixture while it is dissolving. The student performs the experiment one more time but this time she stirs the mixture rapidly.
Answer:
It will go faster each time because she is stirring therefore the water can get to the salt faster than it just sitting at the top
Explanation:
Question 1
What term is used to describe atoms of the same element that have different masses?
O A) radioactive
B) constituents
C) telomers
OD) isotopes
E) None of the above
Answer:
Isotopes
Explanation:
iso means the same like in triangles (isosceles) so the atoms are the same element but different in mass. Since the isotopes have the same number of protons and electrons the isotopes have much the same chemical behavior. Since the isotopes have different numbers of neutrons the nuclear behavior differs.
Cells enter a futile substrate cycling during which increased intracellular glucose overwhelms the TCA cycle. As a result, non-oxidative glucose metabolism ____ producing _______.
Explanation: Reciprocal regulation is intended to prevent concurrent activity in two closely parallel pathways, as represented by gluconeogenesis and glycolysis. These pathways include potential futile cycles, which would simply waste ATP if allowed to run freely.
Calculate the volume of solvent present in a 55.5%
by volume of 10.5 mL alcohol solution.
Answer:
I dont know
Explanation:
good luck
Given: glow is a find the indicated measure.
Answer:
is there supposed to be some type of image or ...
Explanation: