10 Questions
What is the mass of glucose (C6H12O6) required to produce 1.2 g of water?
2.40 g
In the combustion of glucose, what is the mole ratio of CO2 to H2O?
6:1
What is the mass of oxygen produced from the decomposition of 2.25 g of KClO3?
1.77 g
What is the molecular formula of the compound used in glue?
C3H5O2
What is the volume of 1.00 g of the compound used in glue at 100°C and 1.00 atm?
345 mL
What is the pressure of the CO2 gas in a 10.0-L flask at 20.0°C if 50.0 g of a mixture of MgCO3 and NaCl is heated?
755 torr
What is the mass of MgCO3 in the original sample if 50.0 g of the mixture produces 10.0 L of CO2 at 20.0°C and 755 torr?
35.0 g
What is the mole ratio of MgCO3 to NaCl in the original sample if 50.0 g of the mixture produces 10.0 L of CO2 at 20.0°C and 755 torr?
3:2
What is the total mass of MgCO3 and NaCl in the original sample if 50.0 g of the mixture produces 10.0 L of CO2 at 20.0°C and 755 torr?
50.0 g
What is the percentage of MgCO3 in the original sample if 50.0 g of the mixture produces 10.0 L of CO2 at 20.0°C and 755 torr?
60.0%
Test your knowledge on molecular interpretations in thermodynamics, including P-V, T-V, and P-T relationships. Understand the correlation between temperature, pressure, and molecular speed for gases.
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