Calculate the mass of water formed from the complete combustion of 5.10 g of methane, ch4, in the reaction ch4 (g) + 2 o2 (g) - - > co2 (g) + 2 h2o (g).

What is the difference between a temperature of 12f and a temperature of - 5f?

1) on combustion, 1 mole of an alkane gives 2 moles of carbon dioxide and 3 moles of water. Suggest the molecular formula of this alkane 2) the hydrocarbon, dedocane, is used to make detergents. It is alkane and has the molecular formula CxH26.

A sample of gas has increased from 20 degrees Celsius to 22 degrees Celsius. Which of the following happens as the temperature of gas goes up?

What will be the theoretical yield of tungsten (is), W, if 45.0 g of WO3 combines as completely as possible with 1.50 g of H2

A reaction has a forward rate constant of 2.3 * 106 s-1 and an equilibrium constant of 4.0 * 108. what is the rate constant for the reverse reaction?

What will holding the temperature constant while adding more solute to a solution that already has solute crystals at the bottom of the container do?

How much volume (in cm^3) is gained by a person who gains 11.5 lbs of pure fat?

Modern scientists use a version of the metric system called

Which element has a larger ionic radius than calcium? a. sodium b. gallium c. magnesium d. potassium

Which solution contains the largest number of moles of chloride ions? a. 30.00 ml of 0.100m cacl2 b. 10.0 ml of 0.500m bacl2 c. 25.00 ml of 0.400m kcl d. 4.00 ml of 1.000m nacl e. 7.50 ml of 0.500m fecl3?