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Normally supplied in metal containers under pressure, the fuel exists as a mixture of liquid and gas, so high temperatures may cause the container to explode. At 25.0°C, the vapor pressure of butane is 2.30 atm. What is the pressure in the container at 110.0°C (?Hvap = 24.3 kJ/mol)?
Calculate the pH of the solution made by adding 0.50 mols of HOBR and 0.30mols of KOBR to 1.00L of water. The Ka value of forHOBR is 2.0x10 ^-9.
a sample of nitrogen gas occupies 1.55 L at 27.0 C and 1.00 atm pressure. What will the volume be -100 C and the same pressure?
How many milliliters of a stock solution of 10.8 M HNO3 would you have to use to prepare 0.500 L of 0.410 HNO3? Unit of the answer should be in mL.
Write a balanced equation for the following reaction: an aluminum-carbon compound that is 74.97% aluminum by mass reacts with water to produce aluminum hydroxide and a hydrocarbon that is 74.87% carbon by mass
The diatomic molecule AB has a dipole moment of 0.82 D and the A?B bond distance is 115 pm. Determine the percent ionic character of the bond in AB.
Set up the Gibbs energy equation (G) and calculate the Gibbs energy equation at 300 K and at 1300 K? At what temperature is the reaction spontaneous? hint: be very careful with the units of enthalpy and units of entropy.
describe the mechanism of the reaction for the production of tetrachloromethane
A 0.468 mol of O2 gas has a volume of 11.5 L at a certain temperature and pressure. If all this O2 were converted to ozone (O3) at the same temperature and pressure, what would be the volume of the ozone. 3O2?2O3
The drug is eliminated metabolically by a first-order process having a rate constant of 5.39 × 10-3 min-1. What must the initial dose of the drug be in order for the drug concentration 2.39 hours afterward to be 4.5 mg/kg body weight
Identify the substance produced in the liver that helps catalyze this reaction.
Eather at room temperature is placed in a flask connected by rubber tubing to a vacum pump, and the pump is turned on, and the ether begins boiling. Explain.
certain salts of benzoic acid have been used as food additives for decades. the potassium salt of benzoic acid
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