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Calculate the amount of heat required to heat a 43 sample of ethanol from 14.0 to 19.0. Specific heat capacity of ethanol is 2.42 .
a 10g sample of acetic acid hc2h3o2. was burned in a bomb calorimeter in an excess of oxygen. the temperature of the
From the first and second laws of thermodynamics, derive the equation for the criterion of spontaneity of a process, Gibbs free energy,
A voltic cell with an aqueous electrolyte is based on the reaction between Cd2+ (qu) and Mg(s), producing Cd (s) and Mg2+. Write a balanced cell reaction.
a gas is heated from 268 k to 290 k while its volume is increased from 25.0 l to 37.0 l by moving a large piston within
fluoride ions, calcium ions, and several other dissolved ions. The ions are evenly distributed throughout the water. Which term or terms could be used to describe this sample of tap water?
how many grams of MgCl2 are contained in 225mL of a 0.650 M solution
A mass of 47.5 g of H2O(s) at 273 K is dropped into 225 g of H2O(l) at 298 K in an insulated container at1 bar of pressure. Calculate the temperature of the system once equilibrium has been reached.
ammonia solution required 10.83 mL of 0.9760 M HCl to reach endpoint, whats the concentration of the ammonia solution?
Before the reaction began, the concentrations of the reactants were 0.060 M of SO2 and 0.050 M O2. After the equilibrium is reached, the concentration
an aerosol can holds 0.35 L at 4.5 atm pressure. What is the volume when the gas is released into 1.0 atm pressure.
in the olympics and other major athletic competitions a gc-ms is used to screen athletes for their use of banned
for which Kp=2.00 at 20 C. A mixture of NO(g) at a partial pressure of 1.50 atm and NO2(g) at a partial pressure of 0.50 atm is allowed to come to equilibrium in a sealed container maintained at 20 C.
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