General Chemistry Answers

10.0 g H2O reacts with 4.5 g Na to produce NaOH and H2. Identify the excess reactant.

10.0 g H2O reacts with 4.5 g Na to produce NaOH and H2. Identify the limiting reactant. *

How many mol of fructose can be created from 76 mol of sucrose?

How many mol of glucose can be produced from 98 mol of sucrose?

How many mol of glucose can be produced from 98 mol of sucrose?

 BaO + H20

• typical vodca sold as 80 proof. it contains 40% ethanol by volum a density of ethanol and water are 0.789g/ml and 1g/ml respetivly calculat mass% of ethanol

A sample of dry air, with a volume of 125 ml and a temperature of 53°C, is heated at constant

pressure to 95°C. What is the new volume in milliliters, of the sample?

A 1.50 L bulb containing He at 155 torr is connected by a valve to a 2.00 L bulb containing CH4 at

245 torr. The valve between the two bulbs is opened and the two gases mix.

a. What is the partial pressure (torr) of He and CH4?

b. What is the mole fraction of He?

A gas mixture contains O2, N2, and Ar at partial pressures of 125, 175, and 225 mmHg,

respectively. If CO2 gas is added to the mixture until the total pressure reaches 623 mmHg, what is

the partial pressure in milliliters of mercury, of CO2?