I’m working on a chemistry practice test / quiz and need an explanation to help me understand better.1.According to the chemical equation Cu + 4 HNO3 → Cu(NO3)2 + 2 H2O + 2 NO2,what is the total mass of H2O produced when 16 grams of Cu is completely consumed?2.The balanced equation represents a reaction that yields sodium chloride.
NaOH + HCl → NaCl + H2OWhat is the total number of grams of H2O produced when 230 grams of NaCl is formed?3.What is the empirical formula of a compound that is 92.2% carbon and 7.8% hydrogen?4.A sample of gas has a volume of 16.0 liters at a pressure of 0.5 atmosphere.
When the volume decreases to 4.0 liters at constant temperature, what will be the resulting pressure of the sample?5.The volume of a sample of a gas at 0°C is 100 liters. If the volume of the gas is decreased to 36.6 liters at constant pressure, what is the new temperature of the gas?
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