Recent questions in Chemical reactions

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What is the theoretical yield of AgCl produced when 50 mL of 0.1 M NaCl solution is mixed with 50 mL of 0.1 M AgNO3 solution?

asked Mar 1 in Chemical reactions by TheScientist (138k points)

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What is the reaction rate of the decomposition of 2 moles of hydrogen peroxide in the presence of a catalyst at 25°C and 1 atm pressure, if the concentration of the catalyst is 0.1 M and the decomposition takes place within 20 seconds?

asked Mar 1 in Chemical reactions by TheScientist (138k points)

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What is the rate of the reaction if 2 moles of substance A react with 1 mole of substance B in 10 seconds, assuming it follows first-order kinetics with a rate constant of 0.5 s^-1?

asked Mar 1 in Chemical reactions by TheScientist (138k points)

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What is the rate of reaction when 2 mol of hydrogen gas (H2) react with 1 mol of oxygen gas (O2) to form 2 mol of water (H2O) in 10 minutes at a constant temperature and pressure of 1 atm?

asked Mar 1 in Chemical reactions by TheScientist (138k points)

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What is the rate of reaction for the combustion of methane in which 4.7 grams of methane reacts in 3.5 seconds to produce 11.2 grams of water vapor and carbon dioxide gas?

asked Mar 1 in Chemical reactions by TheScientist (138k points)

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What is the pH of a solution that contains 0.02 moles of hydrochloric acid in 500 mL of water?

asked Mar 1 in Chemical reactions by TheScientist (138k points)

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What is the pH of a solution with a concentration of 0.1 M hydrochloric acid?

asked Mar 1 in Chemical reactions by TheScientist (138k points)

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What is the pH of a solution with a concentration of 0.01 M hydrochloric acid?

asked Mar 1 in Chemical reactions by TheScientist (138k points)

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What is the pH of a solution with a concentration of 0.005 M hydrochloric acid (HCl)?

asked Mar 1 in Chemical reactions by TheScientist (138k points)

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What is the pH of a 0.1 M solution of HCl (hydrochloric acid)?

asked Mar 1 in Chemical reactions by TheScientist (138k points)

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What is the pH of a 0.1 M HCl solution?

asked Mar 1 in Chemical reactions by TheScientist (138k points)

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What is the percentage yield of a chemical reaction if 12 grams of product are obtained when 20 grams of reactant are used and the theoretical yield is 15 grams?

asked Mar 1 in Chemical reactions by TheScientist (138k points)

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What is the percent yield of silver chloride when 24.5 g of silver nitrate solution reacts with excess sodium chloride to form 23.1 g of silver chloride? The balanced chemical equation is: AgNO3 + NaCl → AgCl + NaNO3.

asked Mar 1 in Chemical reactions by TheScientist (138k points)

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Sure! During a chemical reaction, one of the reactants is completely consumed, producing 10 grams of product. If the theoretical yield of the product was 12 grams and the actual yield was 10 grams, what is the percent yield of the reaction?

asked Mar 1 in Chemical reactions by TheScientist (138k points)

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What is the percent yield of magnesium oxide when 10.0 grams of magnesium is reacted with excess oxygen and 12.5 grams of magnesium oxide is produced? The theoretical yield of the reaction is 16.2 grams.

asked Mar 1 in Chemical reactions by TheScientist (138k points)

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What is the percent yield of carbon dioxide if 25 grams of magnesium carbonate react with excess hydrochloric acid, and 7.5 grams of carbon dioxide are produced? The theoretical yield of carbon dioxide for this reaction is 10 grams.

asked Mar 1 in Chemical reactions by TheScientist (138k points)

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What is the percent yield of a chemical reaction if you start with 50 grams of reactant A, but only produce 35 grams of product B, when the balanced equation indicates that you should produce 40 grams of product B?

asked Mar 1 in Chemical reactions by TheScientist (138k points)

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Sure. Here's a question:How can you calculate the oxidation number of an element in a compound and use it to determine if a redox reaction has occurred? Provide an example of a redox reaction and identify the oxidizing and reducing agents involved.

asked Mar 1 in Chemical reactions by TheScientist (138k points)

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How much heat is released when 20 grams of methane (CH4) undergoes complete combustion?

asked Mar 1 in Chemical reactions by TheScientist (138k points)

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What is the equilibrium constant expression for the following reaction? 2 NO(g) + O2(g) ⇌ 2 NO2(g) Given that the initial concentrations of NO, O2, and NO2 were 0.025 M, 0.015 M, and 0 M, respectively, calculate the equilibrium constant (Kc) at 25°C.

asked Mar 1 in Chemical reactions by TheScientist (138k points)

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