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kicyunya [14]
3 years ago
12

These are the photos for part A

Chemistry
1 answer:
Alla [95]3 years ago
6 0

Answer:

Explanation:

For part C, this should be what the graph looks like.

The reactants should have higher energy that the products so that it can release energy. Recall the reaction is N2 + 3H2 => 2NH3 + energy, making it exothermic. Apparently, you are supposed to adjust the energy diagram on the simulation so that 20% of the reactants become the products.  

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Vikentia [17]

Answer:

A compressed spring

Explanation:

A compressed spring has potential energy only and no kinetic energy.

This is because kinetic energy is only possessed by particles in motion.

Energy in a compressed spring= -1/2kx² where x is the displacement.

In this equation there is no velocity so there is no kinetic energy.

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Determine the volume in liters occupied by 22.6 g of I2 gas at STP.
AleksandrR [38]

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 <u><em>calculation</em></u>

Step: find the  moles of I₂

moles= mass÷  molar mass

from  periodic table the  molar mass  of I₂  is  253.8 g/mol

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Step 2:find the volume  of I₂  at STP

At STP  1  moles =22.4 L

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<em>by cross  multiplication</em>

={ (0.089 moles x 22.4 L) /1 mole} = 1.99 L


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3 years ago
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Lisa [10]

Answer:

8°C

Explanation:

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3 years ago
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