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Suggest chemical reactions that could be used to identify the contents of four unlabeled bottles containing solutions of the following substances: CuSO4, Al2(SO4)3, Pb(NO3)2, FeSO4.
For each species listed, indicate the hybrid orbital set (sp2, sp3d, etc) employed by the central atom
Strong base is dissolved in 615 mL of 0.400 M weak acid (Ka = 4.50 × 10-5) to make a buffer with a pH of 3.95. Assume that the volume remains constant when the base is added.
Acid rain over the Great Lakes has a pH of about 4.5. Calculate the [H_3O^+] of this rain.
Carbon Monoxide at a pressure of 720 mmhg reacts completely with O2 at a pressure of 360 mmhg in a sealed vessel to produce
A chemical reaction at equilibrium is heated, briefly, by holding it over a flame. The equilibrium is seen to shift toward the products. What can be said about the enthalpy and entropy of the reaction
What product forms at each electrolode in the aqueous electrolysis of the following salts: 1. LiF 2. SnSO4
Explain how mass effects act to lower the carbonyl frequency, as well as how inductive and hyperconjugation effects act to raise the carbonyl
Breathalyzers determine the alcohol content in a person's breath by the following (unbalanced) redox reaction:
An analysis of nicotine (MW=162 g/mol) gives 74.0% carbon, 8.65% hydrogen, and 17.3 nitrogen. What is the true Molecular formula for nicotine?
In a gas mixture, the partial pressures are argon 425 , neon 60 , and nitrogen 125 .What is the total pressure exerted by the gas mixture?
if 72g of NaCl is dissolved in enough water to make 500ml of solution, what will be the molarity of the solution.
When 1.0g of snack cake is combusted in a constant-pressure bomb calorimeter with a heat capacity (including its water) of 10.0 kj/c, the temperature of the calorimeter rises by 2.24 c. How many nutritional calories (Calories) are in one serving (..
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