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it took 35.40mL of 0.100 M NaOH to titrate a 2.55 gram of a weak acid to the equivalence point. The pH when 17.7mL of the NaOH had been added was 6.2. What was the Ka for the acid
Calculate the pH of the following solution made from .210 M in pyridime (C5H5N) and .350 M in pyridime chloride (C5H5NHCl). Kb: 1/7 x 10^-9
A canister is filled with 320 of ice and 100. of liquid water, both at 0 . The canister is placed in an oven until all the has boiled off and the canister is empty.
Suppose a reaction has a standard Gibbs-free energy of -15.1 kJ/mol, calculate the relative ratio of product to reactant.
Use bond dissociation energies to determine how much energy can be generated per mole of iso-octane.
Consider the compression of the gas in the right part to be a reversible process. a) calculate the work done on the right part in this process and the final temperature in the right part
For a particular reaction, deltaH is -93.8kJ and deltaS is -156.1 J/K. Assuming these values change very little with temperature, over what temperature range is the reaction spontaneous in the forward direction?
A latex balloon, inflated to an excess pressure of 1kPa and a radius of 30cm, is attached to a smooth nozzle, initially stoppered. The stopper is removed, and the balloon deflates in 5 seconds.
What is the rate constant for the reaction at 85°C?
A solution of barium nitrate contains 6.12 g per liter of solution. How many grams of barium nitrate is contained
A sample of nitrosyl bromide (NOBr) decomposes according to the equation 2NOBr(g)-->2NO9g) +Br2 An equilibrium mixture in a 5.00- vessel at 100 degrees celsius contains
A voltaic cell is constructed by immersing a strip of silver in a 1.0M AgNO3 solution and a strip of cadmiun metal in a 1.0M Cd(NO3)2 solution. The circuit is completed by a wire and a salt bridge in the usual way. What is the cell potential for t..
When 83.6 joules of heat is added to 2 grams of water at 10 degrees Celsius, the temperature of the water increases to what value?
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