Q12. A gas mixture that has the following composition in percent by volume: 9.2% CO2, 22.0% CO, 17.5% H2, 3.3% CH4 and 48.0% N2.
(a) What is the density of this gas at 25 °C and 755 mmHg, in grams per liter?
(b) What is the partial pressure of CO in this mixture at 0.00 °C and 1 atm?
(c) What volume of air is required for the complete combustion of this mixture of gas? (Air
contains 20.9% O2 by volume)

You have a liquid that exhibits diltancy. you want to pour it from a bottle. what should you do to the bottle before pouring

How much heat is added if 0.814g of water increase in temperature by 0.351 degree c?

The human activities in two locations are described below: location a: rampant use of plastic containers location b: excessive use of pesticides and fertilizers which statement is most likely true? location a will have poor air quality because plastic is biodegradable. location a will experience water scarcity because plastic absorbs moisture. the population of honeybees will increase in location b because production of crops will increase. the population of fish in location b will decrease because the water is contaminated.