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`If mix the proper amounts of copper(II) nitrate and potassium hydroxide solutions to prepare 5.24 g of copper(II) hydroxide. Subsequent to drying, the student recorded a mass of 4.38 g. Explain what was the percent yield of the reaction?
Gold miners then react the basic aqueous product solution from part C with Zn dust to get gold metal. Write a balanced redox reaction for this process.
Using the data collected for part c on your data sheet and assuming the density of the vinegar is 1.00g/mL, 1) calculate the molar concentration of acetic acid (CH3COOH) in the vinegar sample using the average volume of NaOH.
Determine the amount of heat produced when 100g of CH4 combust, CH4 + 2O2 yields CO2 + 2H2O + 1063kJ
the decomposition of N2O5 in carbon tetrachloride proceeds as follows: 2 N2O5 -> 4 NO2 + O2. The rate law is first order in N2O5. At 64 degree celcius the rate constant is 4.82 x 10^ 3 s ^ -1.
Use two separate t tests to compare results from lab Coat with those from lab A and lab B at the 95% confidence level. Comments on the sensibility of the time test results.
what volume will a 300.0 mL sample of gas at STP occupy when the pressure is doubled at constant temperature
Identify which element is oxidized and which element is reduced in the following: 4NaCl + 2H2SO4 + MnO2 à 2Na2SO4 + MnCl2 + Cl2 + 2H2O
chlorine gas can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric acid. how much
Using the same assumptions and approximations you used in lab, determine the molar enthalpy change (in kJ/mol) for the reaction below, assuming that CH3CO2H dissociates completely in water.
The process of boiling a reaction mixture and condensing the solvent vapors back into the reaction vessel is known as
IF the temperature remains constant but the pressure is changed, can the phase state be changed. Why or why not.
suppose you have a buffer at ph 5.0 that is 1.00m in hx and 1.00 m in x- where hx is a weak acid with ka 1.0 x 10-5 m.
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