Answer:
Limiting reactant: O2
grams NO2 produced = 230.276 g NO2
grams of NO unused = 26.67 gNO
Explanation:
2NO + O2 --> 2NO2
Step 1: Determine the molar ratio NO:O2
molar ratio NO:O2 = 5.895: 2.503 = 2.35
stoichiometric molar ratio NO:O2 = 2:1
So, O2 is the limiting reactant.
Step2: Determine the grams of NO2:
?g NO2 = moles O2 x (2moles NO2/1 mol O2) x (MM NO2/ 1 mol NO2) = 2.503 x 2 x 46 = 230.276 g NO2
Step 3: Determine the amount of excess reagent unreacted
moles excess NO reacted = moles O2 x (2 moles NO/1 mol O2) = 2.503 x 2 = 5.006 moles NO reacted
moles NO unreacted = total moles NO - moles NO reacted = 5.895-5.006 =0.889 moles NO unreacted
mass NO unreacted = moles NO unreacted x MM NO = 0.889 x 30 =26.67 g NO unreacted
What is the vapor pressure of propanone
at 50°C?
Answer: If we work it out with direct proportions, the vapor pressure of propanone is 56 degrees Celsius. The atmospheric pressure is about 101.
Explanation: hope this helps.
The vapor pressure of propanone at 50°C is :
- 78° vapor pressure
PropanoneWhen the vapor pressure is specifically work through the extents to a temperature rate it response is intensely subordinate on their possess a mass nature.
The vapor weight of propanone is calculated and shape in degree Celsius in rate.
The rate of vapor when it is calculated by 50°C with propanone its at long last gives us a 78° vapor pressure.
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In a chemical reaction*
1 point
The atoms of the reactants unbond, rearrange, and then rebond to form the products
Some atoms disappear while others multiply to form the products
The atoms of the reactants always stay together to form the products
New atoms are formed which combine to make the products
Answer:
1st one is correct
The atom of the reactants unbound , rearrange, and then rebond to form the product
hope it helps
In a chemical reaction, the atoms of the reactants unbond, rearrange, and then rebond to form the products. Therefore, option A is correct.
What is chemical reaction ?Chemical reaction, the transformation of one or more chemicals the reactants into one or more distinct compounds, the products. Chemical elements or chemical compounds make up substances.
Combustion reaction, decomposition reaction, neutralization reaction, redox reaction, precipitation or double-displacement reaction, and synthesis reaction are some of the numerous types of reactions.
In a chemical reaction, bonds between molecules of the reactant are broken and new bonds between molecules of the product are established to create a new substance.
A chemical equation is nothing more than a mathematical statement that represents how reactants form products.
Thus, option A is correct.
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A seedling is planted in soil that does not have any clay. What will most likely happen to the plant?
Answer:
Explanation:
Under good conditions the seedling can thrive in soil that does not have any clay as long as it gets the proper nutrients and right amount of sunlight/water that it needs. Clay in soil can provide the nutrients necessary for seedlings to thrive but can also cause many negatives. One such con of using clay is that it does not absorbe water very well, this ultimately causes the soil to become waterlogged and drowns the plants as no oxygen can pass through. This would ultimately kill the plants.
Which of these compounds has the largest percentage by mass of nitrogen? NO N2O NO2 N2O3
The largest mass percentage of nitrogen in NO. Therefore, option (A) is correct.
What is the mass percentage?The percentage by mass of an element in a chemical compound can be described as the number of parts by mass of the element contained in 100 parts by mass of a chemical compound.
The mass percentage of an element can be determined in two steps:
First, calculate the molar mass of the compound and then the percentage of each element by dividing the total mass of the element present in the compound by the molecular mass of the compound multiplied by 100.
Given, the molecular formula of the compound is NO.
The molecular mass of the NO = 30 g/mol
The mass percentage of the Nitrogen = (14/30) × 100 = 46.67 %
the molecular formula of the compound is NO₂.
The molecular mass of the NO = 46 g/mol
The mass percentage of the Nitrogen = (14/46) × 100 = 30.4 %
the molecular formula of the compound is N₂O.
The molecular mass of the NO = 44 g/mol
The mass percentage of the Nitrogen = (14/44) × 100 = 31.81 %
the molecular formula of the compound is N₂O₃.
The molecular mass of the NO = 76 g/mol
The mass percentage of the Nitrogen = (28/76) × 100 = 36.84 %
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help fast plssssssssssssssssssss
How many grams are in 3.00 moles of carbon
Answer: Ok I think The SI base unit for amount of substance is the mole. 1 mole is equal to 1 moles Carbon, or 12.0107 grams. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between moles Carbon and gram. 12 grams
This means that the atomic mass or atomic weight (12 grams) of carbon is equal to exactly 1 mole of carbon.
hope this helps have a awesome night/day❤️✨
Explanation:
There are 36 grams in 3.00 moles of carbon.
HOW TO CALCULATE MASS:
The mass of a substance can be calculated by multiplying the number of moles by its molar mass. That is;mass (g) = no. of moles (mol) × molar mass (g/mol)According to this question, 3 moles of carbon was given. The mass can be calculated as follows:atomic mass of Carbon = 12g/molMass = 12g/mol × 3molMass = 36g. Therefore, there are 36 grams in 3.00 moles of carbon.Learn more at: https://brainly.com/question/15743584?referrer=searchResults
Can Intrusive and Extrusive Igneous rocks form from the same mineral composition?
What measures are being taken to minimize the threat of green iguana?
Answer:
use wire nettings
Explanation:
and cages
How many moles of gas are contained in 890.0 mL at 21.0 at C degrees and 750.0 mm Hg pressure?
Answer:
There are 0.0364⋅mol
Explanation:
8. The most common element used in nuclear fission reactors is uranium. The three nuclides, U-233, U-235, and U-238, are isotopes of uranium because they have the same number of protons per atom and...*
(1) the same number of electrons per atom
(2) the same number of neutrons per atom
(3) a different number of electrons per atom
(4) a different number of neutrons per atom
Answer:(D) different number of neutrons per atom
Explanation: Honestly, I just looked it up on Socratic.
The Earth has how many satellites?
(i know this is not chemistry theres no science one)
Answer:
Well it depends, There are THOUSANDS of inactive satellites. Even scientists don't know how many as for active ones there is about 1 957 according to nasa
Explanation:
determine the volume in liters of metal sample weighting 352.2g and has a density of 7.10gmL.
Answer:
V = 0.0496 L
Explanation:
Given that,
The mass of a sample, m = 352.2 g
The density pf sample, d = 7.10 g/mL
We need to find the volume of the sample. We know that the density of an object is given by :
[tex]d=\dfrac{m}{V}\\\\V=\dfrac{m}{d}\\\\V=\dfrac{352.2}{7.1}\\\\V=49.6\ mL[/tex]
or
V = 0.0496 L
So, the volume of the sample is 0.0496 L.
Solid aluminum metal reacts with chlorine gas to produce aluminum chloride crystals. How many grams of
aluminum chloride will be produced if the reaction begins with 135.0 g Al and 75.0 g chlorine gas? Write the balanced equation. Determine the limiting reactant and determine how much excess reactant will be left over. show your work.
56.8g of aluminum chloride will be produced if the reaction begins with 135.0 g Al and 75.0 g chlorine gas.
What is mass?A body's mass is an inherent quality. Prior to the discovery of a atom or particle physics, it was widely considered to be tied to the amount of matter inside a physical body. It was discovered that, despite having the very same quantity of matter in theory, different atoms and elementary particles have varied masses.
There are various conceptions of mass in contemporary physics that are theoretically different but physically equivalent. The resistance of the body to acceleration in the presence of a net force can be measured experimentally as mass. The gravitational pull an object has on other bodies is also influenced by its mass.
2 Al + 3 Cl[tex]_2[/tex] → 2 Al C l[tex]_3[/tex]
mole of Al = 135.0/ 26=5.19mol
mole of Cl[tex]_2[/tex] = 75.0/ 35 =2.14 mol
mass of aluminum chloride = 56.8g
Limiting reagent = Al
excess reactant = Cl[tex]_2[/tex]
Therefore, 56.8g of aluminum chloride will be produced if the reaction begins with 135.0 g Al and 75.0 g chlorine gas.
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True or false: All molecules or atoms in a substance have the same amount of kinetic energy at a given temperature?
Answer:
false
Explanation:
Difference in neutrons in a molecule means that molecules have different masses. They will always have different energies
another example: water has less energy as a liquid than as a gas
PLEASE HELP: 60 POINTS
Select all that apply!
The emission of a Beta particle has the effect of:
a change in mass of an electron emitted from the nucleus
decreasing mass by one unit
increasing mass by one unit
adding a proton to the nucleus
converting 1 neutron to 1 electron and 1 proton
Answer:
all of they above
Explanation:
1. What is WRONG with the setup used by the student to solve this
problem?
10 points
If 53.8 grams of Aluminum Carbide is treated with Sodium Oxide, how many moles of Aluminum Oxide is
produced?
AlqC3 +6 Na2O + 2 Al2O3 + 3 Nand
53.8 g ALC
1 mole ALC
2 mole Al2O3
101.96g Al2O3
143.92 g AL C3
1 mole ALC
1 mole Al2O3
The student used the wrong mole ratio.
O The student is solving for the wrong unit.
Ο Ο Ο
The student used incorrect steps.
The student's setup is correct.
INITI
Answer:
Trump or biden or obama or soba or you or beach
please help! brainliest to correct answer!!
If 80mg of a radioactive element decays to 10mg in 30 days, what is the elements
half life in minutes?
Answer: 10 minutes
Explanation:
ln(No/N) = kt
No = 80 mg
N = 10 mg
t = 30 min
solve for k, then
k = 0.693/t1/2
Substitute k from above and solve for t1/2
10 min is correct.
What is matter? Write any two properties of matter?
Answer:
anything that has weight and occupies space
Explanation:
Matter is anything, such as a solid, liquid or gas, that has weight (mass) and occupies space.
For anything to occupy space, it must-have volume.
Given the following reaction: 2N2O5=2N2O4+O2, if the rate of oxygen production is 0.15M/min, determine:
a. The rate that N2O5 is consumed
b. The rate that N2O4 is produced
Answer:
a. [tex]r_{N_2O_5}=-0.075M/min[/tex]
b. [tex]r_{N_2O_4}=0.075M/min[/tex]
Explanation:
Hello.
In this case, according to the balanced chemical reaction, we can write the law of rate proportions:
[tex]\frac{r_{N_2O_5}}{-2} =\frac{r_{N_2O_4}}{2} =\frac{r_{O_2}}{1}[/tex]
Thus, we proceed as follows:
a. Since the rate of oxygen production is 0.15 M/min, we can make the following setup:
[tex]\frac{r_{N_2O_5}}{-2} =\frac{r_{O_2}}{1}\\\\r_{N_2O_5}=\frac{r_{O_2}}{-2} =\frac{0.15M/min}{-2}\\\\ r_{N_2O_5}=-0.075M/min[/tex]
b. Since the rate of oxygen production is 0.15 M/min, we can make the following setup:
[tex]\frac{r_{N_2O_4}}{2} =\frac{r_{O_2}}{1}\\\\r_{N_2O_4}=\frac{r_{O_2}}{2} =\frac{0.15M/min}{2}\\\\ r_{N_2O_4}=0.075M/min[/tex]
Best regards!
True or false The difference between solids and liquids is that solids have definite shape and volume, while liquids have no define volume
Answer:
False
Explanation:
Answer:
true! :) hope it helps
Helpp me pretty please
Freezing and thawing water can cause a rock to break down into smaller pieces. Which part of the rock cycle is this an example of?
melting
weathering
subsidence
deposition
Answer:
Deposition
Explanation:
It’s breaking down the rock :]
Answer:
deposition
Explanation:
Ap3x
HELP PLEASE , ITS DUE BY 6 ❤️10. If temperature were increased at the same rate for all four substances, which substance
would turn into a gas first?
Answer:
Dependant
Explanation:
Depending on the kind of substance you have (since ur answer of what substances was vauge) you would want to look at the molecular structure of the substances.
Understanding intermolecular bonds are key here (research this)
For example, Bromine is found as Br2 and only exerts London dispersion forces as there is no difference in polarity. And because this force is weaker, it has a lower boiling point
Another example being something like Hydrochloric acid (HCl). This is where Hydrogen acts as the positive atom while chlorine is the negative atom. This creates a stronger force and thus, a higher boiling point than Br2
Finally, there is Something like H2O where the force in play is Hydrogen bonding as Nitrogen, Oxygen, Fluorine where the bonds are strongest due to the electronegativity is at the greatest difference between these and Hydrogen. and thus having a higher boiling point.
So depending on the substance's bond, that will help determine the boiling point. If they fall under the same group, go based on the greatest difference in electronegativity.
I don't know if this is what you're looking for but, hope this helps. :)
Helppp me pretty please
5.2 X 1026 molecules of CH4
I cant send this with no text
Have a nice day
what kind of chemical reaction is this?
Answer:
Ethane Combustion Reaction or just Combustion Reaction
Explanation:
Use the balanced chemical equation below to answer the following: How many moles of
oxygen are required to react along with 6 moles of butane (C4H10) according to the
following equation? Do not list units in your final answer.
2 C4H10 + 13O2 ------> 8CO2 + 10H2O
hmm, i not sure i come back later with the answer.
Air with less than 19.5% oxygen cannot support human life. How many moles of oxygen would the caisson if the percent of oxygen in the air dropped to 19.4%.
PLS HURRY MY TEST IS TIMED
Currently, some commercially available explosives are tagged with traceable
radioactive isotopes
chemical markers
cell-signal components
acetone compounds
Answer:chemical markers
Explanation:
I’m smart give brainlest plz
Which of the following equations is balanced?
a) HgO -> Hg + 02
b) 2Mg + C12 --> MgCl2
c) P4 + 402 - 2P205
d) 2AgNO3 + CaCl2 --> 2AgCl + Ca(NO3)2
e) None of the above
Answer:
a
Explanation:
a because a