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sertanlavr [38]
3 years ago
8

What will happen when substances go through chemical changes

Chemistry
1 answer:
DanielleElmas [232]3 years ago
6 0
When going through a chemical change, the substance will never return to its original place.
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How many grams of oxygen are produced when 1.05 moles of hydrogen gas is<br> produced?
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Using the coefficients in the balanced equation, convert mols H2 to mols O2.

Now convert mols O2 to grams. That's grams mols O2 x molar mass O2.

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What pressure is exerted by 0.883 mol N, in a 4.68 L steel container at 197.9 °C?
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2 years ago
For many purposes we can treat ammonia NH3 as an ideal gas at temperatures above its boiling point of −33.°C. Suppose the temper
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The new pressure will be 0.225 kPa.

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\frac{P_1V_1}{T_1}=\frac{P_2V_2}{T_2}

where,

P_1\text{ and }V_1 are initial pressure and volume at initial temperature T_1.

P_2\text{ and }V_2 are final pressure and volume at initial temperature T_2.

We are given:

P_1=0.29 kPa\\V_1=V\\P_2=?\\V_2=V+50\% of V=1.5 V

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P_1=0.225 kPa

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3 years ago
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