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calculate the amount of heat necessary to raise the temperature of 53.4 grams of ice at -50.0 degrees celsius to water at 70 degress celsius.
Methanol burns in air according to the equation below. How many grams of methanol can be burned by 10 grams of oxygen?
If you are given a 0.33 g piece of sodium metal to react with water, how many moles of HCl would it take to neutralize the sodium hydroxide produced?
Compare and contrast the major products of dehydrohalogenation of 2-chloro-4-methylpentane with (a) sodium ethoxide in ethanol and (b) potassium tert-butoxide in 2-methyl-2-propanol (tert-butyl alcohol).
Compute the ratio of the concentration of H 2 CO 3 to that of the HCO 3- if The pH of a bicarbonate-carbonic acid buffer is 8.50
What is the composition in mole fractions of a solution of benzene and toluene that has a vapor pressure of 35 torr at 20 °C? Assume the mixture forms an ideal solution.
The mass spectrum of an organic compound shows the relative abundances of M to be 85.12% and M+1 to be 0.9206%. Assuming the peaks are caused by C-12 and C-13 isotopes
Write a balanced chemical equation for the decomposition of limestone, CaCO3, to quicklime, CaO, and carbon dioxide.
Calculate delta g rxn and e cell for a redox reaction with n=3 that has an equillibrium constant of K
Calculate the number of molesof each reactant. Determine the limiting reactant in each of the following three reactions. The limiting reactant that you determine here will be used directly in this experiment.
which anions generally form percipitates? what are the exceptions?
Find the molarity of a Ca(OH)2 solution,given that 388 mL of it is neutralized in a titration by 117 mL of 0.0058 M HNO3.
Calculate the volume of 1 M solution of NaOH required to neutralize 20mL of 0.1 M acetic acid solution (final pH should ;be 7.0). (pKa of Acetic acid = 4.76).
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