Calculate the work in Joules if 0.25 moles of Mg metal react with excess hydrochloric acid...
QUESTION 12 Calculate the work in joules if 0.25 moles of Ng metal react with excess hydrochloric acid solution at 13.0°C and 1.00 atm (assume all gases behave ideally Mg(s) + 2HCl(aq.) - MgCO2(aq) + H268) A. - 594 B.-750) C. - 500 D. - 450J
Calculate the work in Joules if 0.5 moles of Al metal reacts with excess hydrochloric acid solution at 25 °C and 1 atm (assume all gases behave ideally): 2Al(s) + 6HCl(aq) + 2AlCl3(aq) +3H2(g) A. 1858.1) B. - 1238.7) C.-1858.1) D.1238.7)
Question 16 In the reaction of magnesium metal with hydrochloric acid: Mg(s) + 2HCl(aq) --> MgCl2(aq) + H2(g) How many moles of hydrogen are produced if 10 moles of HCI react?
If 0.42 moles of aluminum react with excess hydrochloric acid, what is the volume of hydrogen produced at 0.95 atm and 27 °C? 2 Al(s) + 6 HCl(aq) + 2 AlCl3 (aq) + 3 H2(g) O 11L O 5.4L 16 L C33L
A sample of zinc metal is allowed to react completely with an excess of hydrochloric acid: Zn(s) + 2 HCl(aq) → ZnCl2(aq) + H2(8) look GO The hydrogen gas produced is collected over water at 25.0°C. The volume of the gas is 8.90 L, and the atmospheric pressure is 0.951 atm. Calculate the amount of zinc metal in grams consumed in the reaction. rint rences (Vapor pressure of water at 25°C = 23.8 mmHg.) gZn
When 0.3860.386 g of sodium metal is added to an excess of hydrochloric acid, 40104010 J of heat are produced. What is the enthalpy of the reaction as written? 2Na(s)+2HCl(aq)⟶2NaCl(aq)+H2(g)2Na(s)+2HCl(aq)⟶2NaCl(aq)+H2(g)
When 0.265 g of sodium metal is added to an excess of hydrochloric acid, 2750 J of heat are produced. What is the enthalpy of the reaction as written? 2 Na ( s ) + 2 HCl ( aq ) ⟶ 2 NaCl(aq) + H2 ( g ) 2Na(s)+2HCl(aq)⟶2NaCl(aq)+H2(g)
When 0.520 g of sodium metal is added to an excess of hydrochloric acid, 5410 J of heat are produced. What is the enthalpy of the reaction as written? 2Na(s) + 2HCl (aq) --(this dash is an arrow)-- 2NaCl (aq) + H2(g) Enthalpy of reaction: kJ
zinc metal reacts with excess hydrochloric acid to produce hydrogen gas according to the following equation: Zn(s) + 2HCl(aq)ZnCl2(aq) + H2(g) The product gas, H2, is collected over water at a temperature of 20 °C and a pressure of 745 mm Hg. If the wet H2 gas formed occupies a volume of 9.32 L, the number of moles of Zn reacted was __mol. The vapor pressure of water is 17.5 mm Hg at 20 °C.
when 0.628 g of sodium metal is added to an excess of hydrochloric acid, 6530 J of heat are produced. What is the enthalpy of the reaction written? 2 Na(s) + 2HCl (aq) = 2 NaCl (aq) + H2 (g)