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QUESTION 1 Consider the following chemical reaction: NaHCO3(aq) + HBr(aq) — Na Br(aq) + H2O(l) +...
8. Sodium carbonate reacts with hydrobromic acid as follows: Na2CO3(aq) + 2 HBr(aq) -H2O(l) + CO2(g) +2 NaBr(aq) a. (10 points) Write complete ionic and net ionic equations for the reaction above. b. (8 points) Based on the equation above, what volume of carbon dioxide, measured at 815 torr and 455 K, is produced from the complete reaction of 115 mL of 1.25 M hydrobromic acid? Assume excess sodium carbonate.
QUESTION 1 Consider the following chemical reaction: Mg(s) + 2HCl(aq) – MgCl2(aq) + H2(g) Which of the following changes will decrease the rate of this reaction? Adding more solid Mg. Adding a catalyst. Decreasing the pressure of H2. Decreasing the temperature. Increasing the concentration of HCI.
QUESTION 1 Consider the following chemical reaction: Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g) Which of the following changes will decrease the rate of this reaction? Adding more solid Mg. Adding a catalyst. Decreasing the pressure of H2. Decreasing the temperature. Increasing the concentration of HCI.
Question 1 Glucose metabolism can be represented by the following chemical reaction: C6H12O6(aq)+6O2(g)6CO2(g)+6H2O(l) H for the reaction is -2837 kJ/mole. Is this reaction endothermic or exothermic? Write an expression for the equilibrium constant for this reaction. Given that the value of the equilibrium constant is very large, would you expect this reaction to be fast or slow? Explain the effect on equilibrium of Increasing temperature Increasing pressure by decreasing the volume Decreasing concentration of oxygen Increasing the concentration of...
QUESTION 1 Consider the following chemical reaction: Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g) Which of the following changes will increase the rate of this reaction? Decreasing the concentration of HCI. O Adding more MgCl2. O Increasing the pressure of H2. Decreasing the temperature. Adding a catalyst. N QUESTION 2
1- For the following reaction, Na+(aq) + OH-(aq) + H+(aq) + Cl- (aq) à Na+(aq) + Cl- (aq) + H2O (l) Na+(aq) + Cl- (aq), ions not involved in the reaction, are called _________________ions. 2- For the following reaction, Na+(aq) + OH-(aq) + H+(aq) + Cl- (aq) à Na+(aq) + Cl- (aq) + H2O (l) What type of reaction is taking place? ____________________ 3- What is the mass in grams of 1.73 mol of MgBr2? __________ 4- What is the percentage composition...
QUESTION 7 What is the correct full, balanced chemical equation for the reaction between hydrobromic acid (HBr) and sodium (Na)? 2 Na(s) + 2 HBr(aq) — 2 Na Br(aq) + H2(g) Na(s) + HBr(aq) Na Br(aq) + H2(g) Na(aq) + Br(aq) Na Br(aq) 2 Na(s) + 2 HBr(aq) — 2 Na Br(aq) + H200 2 Na(s) + 2 HBr(aq) + H2O + Coz(a)
1. Consider the reaction: NaHCO3(aq) + HCl(aq) → NaCl(aq) + CO2(g) + H2O(l) Question: 0.056 moles of NaHCO3 are reacted with excess HCl. 2.267 g of CO2 were produced. What is the percent yield of CO2?
Reaction 1: Vinegar (acetic acid) and sodium bicarbonate CH3COOH(aq) + NaHCO3(s) -- CH3COONa (aq) + H2O(l) + CO2(g) Reaction 2: Vinegar (acetic acid) and ammonia CH3C02H(aq) + NH3(aq)-> CH3CO2NH4(aq) Observe the following reaction: N2(g) + O2(g) XX2NO(g) (reaction 4) Reaction 5: Dissolution of ammonium chloride: NH,Cl(s)-- NH (aq) + Cl(aq) AH = 14.4 kJ/mol (reaction 5) The following endothermic reaction does not occur: CO2(g) + H20(L) X H2CO3(aq) (reaction 6) 2N205(g)-→ 4NO2(g) + O2(g) AH = +13.1 kcal (reaction 7)...
QUESTION 7 What is the correct full, balanced chemical equation for the reaction between hydrobromic acid (HBr) and lithium carbonate (Li2CO3)2 LI2CO3(s) + HBr(aq) + Liz Br(aq) + H2O(l) + CO2(g) OLI2CO3(s) + 2 HBr(aq) + 2 Li Br(aq) + H2O(l) + CO2(g) Li(aq) + Br(aq) LiBr(aq) OLI2CO3(s) + 2 HBr(aq) → H2O(l) + CO2(g) OLI2CO3(s) + 2 HBr(aq) + 2LiBr(aq) + H2O(1)