Question 5
In a chemical reaction between gases, 500cm of oxygen reacts with hydrogen to
form...
Physics, 22.06.2021 18:00 hardwick744
Question 5
In a chemical reaction between gases, 500cm of oxygen reacts with hydrogen to
form water in a closed container. After the reaction has taken place the container is
left to stand until the temperature and pressure of the gas are the same as they were
before the reaction. There are no unreacted molecules of oxygen or hydrogen
remaining in the container,
a Write down a balanced chemical equation to represent the reaction
b. Calculate the volume of hydrogen present at the start
c. Calculate the volume of water present after the reaction
Answers: 1
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Awelder using a tank of volume 7.50×10^-2 m^3 fills it with oxygen (with a molar mass of 32.0 g/mol ) at a gauge pressure of 3.30×10^5 pa and temperature of 37.1 ∘c. the tank has a small leak, and in time some of the oxygen leaks out. on a day when the temperature is 23.1 ∘c, the gauge pressure of the oxygen in the tank is 2.00×10^5 pa . a) find the initial mass of oxygen. b) find the mass of oxygen that has leaked out.
Answers: 3
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