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Zinc reacts with hydrochloric acid according to the following balanced chemical equation:
Zn (s) + 2 HCl(aq) ZnCl2(aq) + H2(g)
A student reacted 0.151 mol Zn with hydrochloric acid (which was provided in excess). How many moles of hydrogen gas will be produced, assuming all of the zinc reacts?
Complete and balance the equations for each of the following reactions. Express your answer as a chemical equation. Identify all of the phases
a sample of 0.46g he and an unweighed quantity of o2 are mixed in a flask at room temperature. the partial pressure of
charles flew the balloon for fifteen miles and stayed in the air for a total flight time of 45 mins. the balloon was
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1. write down a set of quantum numbers for each 3d atomic orbitals.2. how many radial nodes does each of the following
What volume of hydrogen gas is produced when 0.829 mol of iron reacts completely according to the following reaction at 0oC and 1 atm?
If a 1,2-diol is subjected to a periodic acid test, a white solid will form when silver nitrate is added. What is the identity of the white solid?
Which of the following involve an increase in the entropy of the system under consideration?
Consider the reaction between 15 mL of a 1.00 M aqueous solution of AgNO3 and 10 mL of a 1 M aqueous solution of K2CrO4. When these react, a precipitate is observed. What is present in solution after the reaction is complete
What volume of ammonia gas measured at 762 mm Hg and 21.0 °C must be absorbed by the same solution to neutralize the HCl?
What is the pH of a buffer that consists of 0.45 M CH3COOH and 0.35 M CH3COONa? Ka = 1.8 × 10-5
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