For the reaction Ca(s) + 2HBr(aq) → CaBr2(aq) + H2(g), the ΔSrxn is
Calculate the amount of CaBr2 produced if 14.02g of HBr are reacted with excess Ca. Ca (s) + 2 HBr (aq) → CaBr2 (aq) + H2 (g
Hydrobromic acid dissolves solid iron according to the followiaung reaction: Fe(s)+2HBr(aq)→ FeBr2(aq)+ H2(g) Part A. What mass of HBr (in g) would you need to dissolve a 3.6-g pure iron bar on a padlock? Part B. What mass of H2 would be produced by the complete reaction of the iron bar?
Given the following reaction Ca(s) + 2HCl(aq) → CaCl2(aq) + H2(g) If 0.500 g of Ca reacts with 0.850 g HCl and 1.21 g CaCl2 are produced, what is the theoretical yield, the percent yield and the limiting reactant? 1.38 g, 87.7%, Ca limiting 1.38 g, 93.8%, HCl limiting 1.29 g, 87.7%, Ca limiting 1.29 g, 93.8% HCl limiting 1.38 g, 92.8%, Ca limiting 1.29 g, 92.8%, HCl limiting
QUESTION 12 Consider the following reaction Ca(s) + 2HCl(aq) --> CaCl2(aq) + H2(g) If the theoretical yield of CaCl2 is 0.736 g and the actual yield is 0.644 g, what is the percent yield? 87.5% 47.4% 96.5% 79% 114%
QUESTION 13 Given the following reaction Ca(s) + 2HCl(aq) - CaCl2(aq) + H2(g) 11.00 g of Ca reacts with 0.850 g HCl and 1.21 g CaCl2 are produced, what is the theoretical yield, the percent yield and the limiting reactant? 2.77 .43.7%, Ca limiting 2.77 9, 93.8%, HCI limiting 1.29 g, 43.7%, Ca limiting 1.29 g, 93.8% HCI limiting 2.779, 46.6%, Ca limiting 1.29 9. 46.6%, HCI limiting
Consider the following reaction Ca(s) + 2HCl(aq) --> CaCl2(aq) + H2(g) If the theoretical yield of CaCl2 is 0.736 g and the actual yield is 0.720 g, what is the percent yield? A.)53.0% b.)32.6% c.)95.5% d.)97.8% e.)102%
QUESTION 10 Consider the following reaction Ca(s) + 2HCl(aq) --> CaCl2(aq) + H2(g) What is the mass of CaCl2 that can be produced from 0.621 g of HCI? 0.204 g 0.408 g 0.945 g 1.06 g1.98 g
3. Hydrobromic acid dissolves solid iron according to the following reaction: Fe(s) + 2HBr(aq) ---> FeBr2(aq) + H2(g) What mass of HBr (in g) would you need to dissolve a 3.2 gram pure iron bar on a padlock? What mass of H2 would be produced by the complete reaction of the iron bar?
2 HNO3 (aq) +Ca(s) = Ca(NO3 )2 + H2 if 0.2849 g of Ca were added to 4.3 mL of a 2.00 M solution of HNO3, and 0.0026 g of H2 were obtained, what is the percent yield based on the limiting reagent?
QUESTION 9 Consider the following reaction Ca(s)2HCI(aq) ->CaCl2(aq) H2(g) How many moles of HCI are needed to form 3 moles of CaCl2? 0 1 mole 1.5 moles 3 moles 6 moles 8 moles