Explain the difference between the reacts and products of a chemical reaction
1 answer:
Reactants are what is changed in the chemical reaction. They go before the arrow when you wrote the equation. Products are what is formed when the chemical reaction occurs. Products always contain the same elements as the reactants, but they might be rearranged because of the reaction. In this picture, you can see that the reactants go before the arrow, and the products go after.
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In the ideal gas law, the temperature of the hydrogen gas determined if the volume and pressure of the gas is known.
The ideal gas law states that the pressure of ideal gas is directly proportional to the absolute temperature of the gas.
PV = nRT
where;
- <em>P is the pressure of the gas</em>
- <em>V is the volume of the gas</em>
- <em>n is the number of moles of the gas</em>
- <em>T is the temperature of the gas</em>
The temperature of the gas is determined as follows;
Thus, we can conclude that in the ideal gas law, the temperature of the hydrogen gas determined if the volume and pressure of the gas is known.
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Answer:
23.37 g
Explanation:
To find the grams of O₂ used, you have to convert the grams of NO₂ to moles of NO₂, then to moles of O₂, then to grams of O₂. You need the molar mass of both substances; O₂ has a molar mass of 32.00 g/mol and NO₂ has a molar mass of 46.01 g/mol. The ratio of O₂ to NO₂ 1:2.
Then you round to the lowest number of significant figures = 23.37 g O₂