General Chemistry Answers

Thermochemical equation for Formation of carbon dioxide gas from carbon (graphite) and oxygen yields 393.5 

kJ of heat.

One mole ammonium nitrate (NH₄NO₃) dissolves in water to produce aqueous 

ammonium ions and nitrate ions accompanied by the absorption of 28.1 kJ of heat

Thermochemical equation for Reaction between solid phosphorous, P₄ and oxygen gas, produces P₃O₆and 

1640.1kJ of heat.

Certain race cars use methanol (CH3OH) as fuel. The combustion of methanol occurs according to the following equation: (Look at the equation below) In a particular reaction, 9.8 moles of CH3OH are reacted with an excess of O2. Calculate the number of moles of H2O formed.

Convert 27 degrees C to F

At 34.1^oC, the vapor pressure of water is 40.1 torr. What is the vapor pressure at 85.5^oC? The Δ

H_vap of water is 40.7 kJ/mol.

Acetone is essential as an industrial solvent and a starting reactant in the manufacturing of countless products, from films to synthetic fibers. At 20.2^oC, the vapor pressure of acetone is 24.50 kPa. If its Δ H_vap is 30.99 kJ/mol, what is the temperature (in ^oC) when the vapor pressure is 10.00 kPa?

Explain the phenomena or theory involve why certain actions affect the rate of reaction

using platinum in manufacturing nitric acid reduces the production cost

Explain the phenomena or theory involves certain actions affects the rate of reaction

using platinum in manufacturing nitric acid reduces the production cost

A metal has an atomic radius of 0.1335 nm . The volume of its cubic unit cell is

2.9305 x10-23 cm3. What is the geometry of the unit cell?