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How many moles of o2 ca be produced by letting 12.00 moles of kclo3 react?
The vapor pressure of pure methyl alcohol at 19 degrees celcius is 90.0 torr and that of pure ethyl alcohol is 40.0 torr. Assume a mixture of methyl alcohol and ethyl alcohol is ideal.
The following reaction is second order in [A] and the rate of constant is 0.039 M-1s-1; A yields B; The concent. of A was 0.30 M at 23 s. The initial concent. of A was ___M
A solution of household bleach contains 5.25% sodium hypochlorite NaOCl by mass. Presuming that the density of bleach is the same as water, Compute the volume of household bleach that must be diluted with water to make 500.0mL of a pH = 10.18 solu..
a storage container has the dimensions of 232mm by 0.145m by 32.5cm. If it is filled with liquid mercury (density 13.534 g/ml), what is the mass in kg of the mercury in the container
which is the excess reactant in the given reaction na2s cuso4 na2so4 cusnbsp it is given that you start this reaction
What is the empirical formula of a hydrocarbon that is 92.3% C and 7.69% H. Given the molar mass is 78.0 g/mol, what is the molecular formula of the hydrocarbon
Solder is used in the electronics industry because it has a low melting point and can make durable electrical connections between copper wires. Electronic solder is an alloy of tin and lead.
Calculate the free energy change for transferring 1 mol of sodium ions from outside to inside of the cell at the pysiological temperature of 310 K.
certain first-order reaction () has a rate constant of 1.00×10-2 at 45 . How many minutes does it take for the concentration of the reactant, , to drop to 6.25 of the original concentration?
the average rate of consumption of br- is 1.85times10-4 over the first two minutes. what is the average rate of
What volume of antifreeze (C2H4(OH)2 MW= 62.068 g/mol and density of 1.1132 g/ml) and what volume of water must be mixed together in order to have a total volume of solution that is 7.00 L and which will not freeze until the temperature drops belo..
A sample of material contains contains 20 mg of I ^131. Calculate: A) The number of I ^131 atoms initially present. B) The activity in becquerels and curies.
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