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Calculate the amount of copper (in moles) in a 33.9-g pure copper sheet.
Derive the expression for the energy of a molecule, Consider the system of a gas adsorbed onto a surface. The gas can be treated as a two-dimensional ideal gas
Sulfurous acid, H2SO3, is a weak diprotic acid (pKa,1=1.89 and pKa,2=7.21 at 25oC). What is the pH of 0.121 mol/L H2SO3(aq) at 25oC
A student decomposes a 9.317 g sample of a compound containing only nickel and iodine. 1.245 g of nickel are precipitated out through experimental procedures.
A bottle of nail polish remover contains 182 mL of acetone, how much heat would be released by its complete combustion? The density of acetone is 0.788mL.
Question- The specific heat capacity of liquid water is 4.18 J/g-K. How many joules of heat are needed to raise the temperature of 5.00 g of water from 15.0°C to 36.5°C
What is numerical value of the equilibrium constant for the reverse reaction?
If a solution contains 0.60 mol of OH^-, how many moles of H^+ would be required to reach the equivalence point in a titration. Express your answer using two significant figures.
Consider the titration of a 24.0 mL sample of .175 M of CH3NH2 with .155 M HBr. Determing each of the following: the volume of added acid required to reach the equivalence point
Complete the following equation that illustrates a Brønsted-Lowry acid/base reaction. Phases are optional.
Comment of the fact that erythro-2,3-dibromo-3-phenylpropanoic acid undergoes elimination by an E1 pathway in water solvent, but by and E2 pathway when acetone is used as the solvent.
what is the pH of an aqueous solution prepared by dissolving 0370 moles of formic acid (HCO2H) and .230 moles of sodium formate (NaCO2H) in 1.00L of water
what is the differences between partial and full method validation? under what circumstances are they being carried out?
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