What volume of H2 at 739 torr and 21 ºC is liberated by 42.7 g of Zn when it reacts with HCl? Zn (s) + 2 HCI (g) ZnC12 (s) + H2 (g) a) 7.6 L b) 16.2 L c) 3.2 L d) 1.8 L
What volume of H2 at 739 torr and 21 ºC is liberated by 42.7 g of...
Please answer & explain 36-40
Calculate the volume of H2(g) at 273 K and 2.00 atm that will be formed when 275 mL of 0.725 M HCI (g) solution reacts with excess Mg to give hydrogen gas and aqueous magnesium chloride. 2 HCl (g) + Mg(s) → MgCl2 (s) + H2(g) a) 0.56 L b) 4.47 L c) 2.23 L d) 1.12 L 37. What is the total pressure in atmospheres in a 10.0 L vessel containing 2.50 x 10-3...
What volume (in liters) of H2 gas is produced if 5.8 L HCl react with excess Zn at 1.18 atm and 24.6 °C? 2 HCl(g) + Mg(s) → ZnCl2(s) + H2(g)
Additional Exercise 14.78 For the equation below: Mg(s) + 2 HCl(aq) MgCl2(aq) + H2(g) (a) How many moles of hydrogen will be liberated from 137.1 mL of 4.84 M HCl reacting with an excess of magnesium? mol H2 the tolerance is +/-2% (b) How many liters of hydrogen gas (H2) measured at 37 °C and 710 torr will be obtained? L H2 the tolerance is +/-2%
Zn + HCl ---> ZnCl2 + H2(g) The total volume of collected gas over water at 65oC was 1728 ml at a total pressure of 845 torr. If you used 325 ml of HCl for the reaction, what molarity of HCl would be required to produce the correct amount of Hydrogen?
Mg metal reacts with HCl to produce hydrogen gas. Mg(s)+2HCl(aq)→MgCl2(aq)+H2(g) What volume of hydrogen at 0 ∘C and 1.00 atm (STP) is released when 9.40 g of Mg reacts?
According to the equation: Zn(s) + 2HCl(aq) ----> H2(g) + ZnCl(aq), calculate the volume (L) of H2 gas that can be formed at 25 °C and a pressure of 854 mmHg when 25.0 g of Zn is used in the reaction.
What volume of HCl(g) measured at STP can be produced from
1.91 g of H2 and excess Cl2 according to the following
equation?
16. What volume of HCl(g) measured at STP can be produced from 1.91 g of H, and excess Cl2 according to the following equation? H (8)+C12(8) → 2HCl(8) a. 21.2 L b. 42.4 L c. 86 L d. 173 L e. 64.2 L
What volume of CO2(g) at 25°C and 760 Torr is produced when 1.00 kg of calcium carbonate is used to neutralize a sulfuric acid spill? The equation for the reaction is CaCO3(s) + H2SO4(aq) ® CaSO4(s) + CO2(g) + H2O(l) A. 321 L B. 122 L C. 488 L D. 22.4 L E. 244 L Show steps please.
What volume of H2 gas at 765 torr and 225°C is needed to reduce 35.5 g of copper(II)oxide (79.55 g/mol) to form pure copper and water? Round your answer to one decimal place and do not include units.
A 0.2100-g sample of an Al-Zn alloy reacts with HCl to form hydrogen gas: 2 Al(s) + 6 H+ (aq) → 2 A1+ (aq) + 3 H2(g) Zn(s) + 2 H+ (aq) → Zn2+ (aq) + H2 (8) The hydrogen produced has a volume of 0.117 L at 24°C and 755 mm Hg. What is the percentage of zine in the alloy? Percentage of zinc = Submit Answer Try Another Version 8 item attempts remaining