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Ahat [919]
2 years ago
12

PLEASE HELP!!!!!!!

Chemistry
1 answer:
Anna11 [10]2 years ago
5 0

Answer:

i think 30

Explanation:

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The molar mass of NH3 is 17.03 g/mol. The molar mass of H2 is 2.0158 g/mol. In a particular reaction, 0.575 g of NH3 forms. What
Arlecino [84]

The balanced chemical reaction is:

N2 + 3H2 = 2NH3

 

We are given the amount of ammonia formed from the reaction. This is where we start our calculations.

 

0.575 g NH3 (1 mol NH3 / 17.03 g NH3) (3 mol H2 / 2 mol NH3) ( 2.02 g H2 / 1 mol H2) = 0.10 g H2

3 0
3 years ago
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A molecule has one carbon-carbon double bond and four monovalent atoms or groups. How many different cis-trans isomers exist for
Lena [83]

There can be two cases

Case 1:

When a molecule has one carbon-carbon double bond and four monovalent atoms or groups in which two atoms on same carbon are different, there will be 2 isomers, one cis and one trans.

Case 2:

When a molecule has one carbon-carbon double bond and four monovalent atoms or groups where both atoms attached to the same carbon are same, there will be no geometrical isomerism.

As based on priority, there will be only two orientations possible , in which same priority atoms are on the same side that is cis and if they are on the opposite side that is trans.


3 0
3 years ago
Scientific experiments showed evidence that the mass of an atom was greater than the total mass of its protons. these experiment
Leviafan [203]
The answer to your proposed question is Neutron. This is because the atomic mass unit of a neutron is 1 and so it would contribute to the overall mass of the atom.
I hope this answer helped you!
5 0
2 years ago
Compressing a spring increases its
VashaNatasha [74]

Answer:

B. potential energy

Explanation:

Potential energy ( Mechanical in this case ) is energy stored by force. so If you are compressing a spring you are increasing more potential to it by force.

3 0
3 years ago
Balance the following chemical equation (if necessary) for the synthesis of aspirin from salicylic acid and acetic anhydride sho
labwork [276]

\\ \tt\rightarrowtail C_7H_6O_3+C_4H6O_3\longrightarrow C_9H_8O_4+C_2H_4O_2

It's already balanced

On both sides

  • C=11
  • H=12
  • O=6
5 0
2 years ago
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