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Write the net ionic equations and determine the standard potentials for the reaction of copper or zinc with tin (IV). Which of the two reactions should be spontaneous?
a) copper + tin IVb) zinc + tin IV
When sodium reacts with chlorine, 411 kj/mol is released. Calculate the amount of heat released if 1.37 mol of sodium form.
Rank the following compounds in order of reactivity toward nitration with HNO3
Calculate the number of 5.70m NaOH must be added to 666 ml of a buffer that contains .0205m C2H4O2 and .0260m C2H3NaO2 to increase the ph to 5.75.
A typical polyethylene bag from a grocery store weighs 12.4 g. How many molecules of ethylene, C2H4, must be polymerized to make such a bag
How many grams of ethylene glycol (automobile antifreeze, C2H6O2) dissolved in 3.55kg of water is needed to lower the freezing point
if 4.3 ml of benzaldehyde are mixed with 1.6 ml of acetone, then calculate the theoretcial yield of dibenzalacetone in grams
A sample of gas has a temperature of 0 celsius and a volume of 453 m. At constant pressure, the temperature is raised to 100Celsius. What is the new volume
the reaction of a particular alcohol with a carboxylic acid is 3.83. What is the calculated yield of the ester?
The reaction of 0.25 g magnesium with 100 mL of 1 M hydrochloric acid (density d = 1.02 g/ml) raises the temperature of the solution from 20 °C to 35 °C . The specific heat for HCl is 3.93 J/(g.C).
Consider the reaction CaCN2 + 3 H2 O → CaCO3 + 2 NH3 . How much CaCO3 is produced if 47.5 moles NH3 are produced?
A room temperature aqueous solution is 0.10 M in zinc acetate, 0.50 M in strontium acetate and 15.2 M in nickel (II) acetate. At what concentration of carbonate
A solution of methanol, CH3OH, cotains 55.0 grams of methanol in 100. mL of water solution. What is the molarity of methanol in the solution?
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