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What is the limiting reactant for the reaction below given that you start with 46.0 grams...
What is the specific heat (J/g•°C) of a metal object whose temperature increases from 82°C to...
What is the specific heat (J/g•°C) of a metal object whose temperature increases from 82°C to 147°C when 15.2 g of metal was heated with 45.0 J? Jlg. *C
1. Based on the initial quantities given, which is the limiting reactant? How many grams of...
1. Based on the initial quantities given, which is the limiting reactant? How many grams of each product will be produced based on this? 12.3 g NaOH 11.9 g HCl NaOH(aq) + HCl(aq) = H2O(l) + NaCl(aq) 2. Using the initial quantities for each reactant and the final quantity of hydrochloric acid produced, determine the limiting reactant, the theoretical yield and the percent yield. 34.67 g hydrogen 21.88 g chlorine 12.34 g hydrochloric acid H2(g) + Cl2(g) ® 2HCl(g)
5. What is the limiting reactant when 10.0 grams of silver nitrate are reacted with 10.0...
5. What is the limiting reactant when 10.0 grams of silver nitrate are reacted with 10.0 g of sodium chloride in water solution according to the following reaction? NaCl (aq) + AgNO3(aq) - NaNO3(aq) + AgCl (s)
You want to determine AH for the reaction Zn(s) + 2HCl(aq) → ZnCl2(aq) + H2(g) To...
You want to determine AH for the reaction Zn(s) + 2HCl(aq) → ZnCl2(aq) + H2(g) To do so, you first determine the heat capacity of a calorimeter using the following reaction, whose AH is known: NaOH(aq) + HCl(aq) + NaCl(aq) + H2O(1) -57.32 kJ (a) Calculate the heat capacity of the calorimeter from these data: Amounts used: 50.0 mL of 2.00 M HCl and 50.0 mL of 2.00 M NaOH Initial T of both solutions: 16.9°C Maximum T recorded during...
4. (2) How many grams of calcium sulfate will form from the reaction of 25.0 mL...
4. (2) How many grams of calcium sulfate will form from the reaction of 25.0 mL of 0.35 M potassium sulfate solution with excess calcium nitrate? Write the balanced equation first. (Solution Stoichiometry 101) 5. (0.5 p each) Classify the following processes as exothermic or endothermie. Condensation of 12: Sublimation of carbon dioxide: 6. (1 p) What is the specific heat of a metal rod that weighs 250 g and increases its temperature from 22.5 °C to 54.7 °C when...
5. Question 2 1 pts Suppose you are investigating the reaction: M(s) + 2 HCl(aq) →...
5.
Question 2 1 pts Suppose you are investigating the reaction: M(s) + 2 HCl(aq) → MCl2(aq) + H2(g). You weigh out a 0.202 gram piece of metal and combine it with 62.2 mL of 1.00 M HCl in a coffee-cup calorimeter. If the molar mass of the metal is 48.51 g/mol, and you measure that the reaction absorbed 111 J of heat, what is the enthalpy of this reaction in kJ per mole of limiting reactant? Enter your answer...
Given the data below, how many grams of NaCl would you expect to be formed in...
Given the data below, how many grams of NaCl would you expect to be formed in the reaction of excess HCl with the Na,CO3? The molar mass of sodium carbonate is 105.989 g/mol and the molar mass of sodium chloride is 58.443 g/mol. 83.000 mass of empty beaker (g) mass of beaker plus Na2CO3 (9) mass of Na2CO3 (9) 85.250 2.250 Select one: O a. 2.481 g O b. 3.308 g O c.4.962 g O d. 1.241 g You added...
15. The mixing of which pair of reactants will result in a precipitation reaction? CsI(aq)...
15. The mixing of which pair of reactants will result in a precipitation reaction? CsI(aq) + NaOH(aq) HCl(aq) + Ca(OH)2(aq) K2SO4(aq) + Hg2(NO3)2(aq) NaNO3(aq) + NH4Cl(aq) 16. Which of the following is a precipitation reaction? Zn(s) + 2 AgNO3(aq) 2 Ag(s) + Zn(NO3)2(aq) NaCl(aq) + LiI(aq) NaI(aq) + LiCl(aq) 2 KI(aq) + Hg2(NO3)2(aq) Hg2I2(s) + 2 KNO3(aq) HI(aq) + NaOH(aq) NaI(aq) + H2O(l) None of these are precipitation reactions. 17. Which...
Chlorine gas reacts with phosphorus to produce phosphorus pentachloride as shown in the chemical equation below. What i...
Chlorine gas reacts with phosphorus to produce phosphorus pentachloride as shown in the chemical equation below. What is the maximum number of grams of PCls are produced from 3.5 g of Cl2 and excess P? 5C12(g) + 2P(s) → 2PC13(s) 2) What is the theoretical yield of chromium that can be produced by the reaction of 40.0 g of Cr2O3 with 8.00 g of aluminum according to the unbalanced chemical equation below? Al(s) + Cr2O3(s) → Al2O3(s) + Cr(s) Ammonia...
3. a. Why should the Cu(OH)2 precipitate that is formed during reaction (ii) be heated slowly...
3. a. Why should the Cu(OH)2 precipitate that is formed during reaction (ii) be heated slowly during reaction (ii)? b. Why does reaction (i) have to be carried out in the fume hood? 4. Reaction (iii) is considered to be c) decomposition d) acid-base e) precipitation b) single displacement a) combination EXPERIMENT 9 REACTION OF COPPER AND ITS COMPOUNDS PRE-LABORATORY QUESTIONS The following preparatory questions should be answered before coming to lab. They are intended to introduce you to several...
What is the specific heat (J/g•°C) of a metal object whose temperature increases from 82°C to 147°C when 15.2 g of metal was heated with 45.0 J? Jlg. *C
5. What is the limiting reactant when 10.0 grams of silver nitrate are reacted with 10.0 g of sodium chloride in water solution according to the following reaction? NaCl (aq) + AgNO3(aq) - NaNO3(aq) + AgCl (s)
You want to determine AH for the reaction Zn(s) + 2HCl(aq) → ZnCl2(aq) + H2(g) To do so, you first determine the heat capacity of a calorimeter using the following reaction, whose AH is known: NaOH(aq) + HCl(aq) + NaCl(aq) + H2O(1) -57.32 kJ (a) Calculate the heat capacity of the calorimeter from these data: Amounts used: 50.0 mL of 2.00 M HCl and 50.0 mL of 2.00 M NaOH Initial T of both solutions: 16.9°C Maximum T recorded during...
4. (2) How many grams of calcium sulfate will form from the reaction of 25.0 mL of 0.35 M potassium sulfate solution with excess calcium nitrate? Write the balanced equation first. (Solution Stoichiometry 101) 5. (0.5 p each) Classify the following processes as exothermic or endothermie. Condensation of 12: Sublimation of carbon dioxide: 6. (1 p) What is the specific heat of a metal rod that weighs 250 g and increases its temperature from 22.5 °C to 54.7 °C when...
5.
Question 2 1 pts Suppose you are investigating the reaction: M(s) + 2 HCl(aq) → MCl2(aq) + H2(g). You weigh out a 0.202 gram piece of metal and combine it with 62.2 mL of 1.00 M HCl in a coffee-cup calorimeter. If the molar mass of the metal is 48.51 g/mol, and you measure that the reaction absorbed 111 J of heat, what is the enthalpy of this reaction in kJ per mole of limiting reactant? Enter your answer...
Given the data below, how many grams of NaCl would you expect to be formed in the reaction of excess HCl with the Na,CO3? The molar mass of sodium carbonate is 105.989 g/mol and the molar mass of sodium chloride is 58.443 g/mol. 83.000 mass of empty beaker (g) mass of beaker plus Na2CO3 (9) mass of Na2CO3 (9) 85.250 2.250 Select one: O a. 2.481 g O b. 3.308 g O c.4.962 g O d. 1.241 g You added...
Chlorine gas reacts with phosphorus to produce phosphorus pentachloride as shown in the chemical equation below. What is the maximum number of grams of PCls are produced from 3.5 g of Cl2 and excess P? 5C12(g) + 2P(s) → 2PC13(s) 2) What is the theoretical yield of chromium that can be produced by the reaction of 40.0 g of Cr2O3 with 8.00 g of aluminum according to the unbalanced chemical equation below? Al(s) + Cr2O3(s) → Al2O3(s) + Cr(s) Ammonia...
3. a. Why should the Cu(OH)2 precipitate that is formed during reaction (ii) be heated slowly during reaction (ii)? b. Why does reaction (i) have to be carried out in the fume hood? 4. Reaction (iii) is considered to be c) decomposition d) acid-base e) precipitation b) single displacement a) combination EXPERIMENT 9 REACTION OF COPPER AND ITS COMPOUNDS PRE-LABORATORY QUESTIONS The following preparatory questions should be answered before coming to lab. They are intended to introduce you to several...
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