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16. A 355 ml sample of a HCl solution reacts with excess Mg to produce 4.20L...
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13. A 466 g sample of water is heated from 8.50°C to 74.60*C. Calculate the amount of heat absorbed (in kilojoules by the water. 14. In a certain operation 3.54 x 10' g of Ticle are reacted with 1.13 x 10' g of Mg. Calculate the amount of Ti (s) in g produced. TICIA (9) + 2 Mg (0) Ti(s) + 2MgCl2(0 15 When a car is in a collision sodium azide (NaN) in...
The calcium carbonate in limestone reacts with HCl to produce a calcium chloride solution and carbon dioxide gas: CaCO3(s)+2HCl(aq)→CaCl2(aq)+H2O(l)+CO2(g) What is the molarity of a HCl solution if the reaction of 210 mL of the HCl solution with excess CaCO3 produces 12.5 L of CO2 gas at 725 mmHg and 18∘C?
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.
A 0.120 gram sample of Zn reacts with an excess of hydrochloric acid and produces 46.5 mL of H2 gas which is collected over water at a barometric pressure of 748 mm Hg and at 23 °C. The vapor pressure of water at 23 °C is 21 mm Hg. What is the molar mass of Zn?
500.0 mL of 0.500 M HCl solution reacts with 5.00 g of Mg to give hydrogen gas and aqueous magnesium chloride. The volume of H2(g) collected is 1.00L at 2.5atm, and 300K. Calculate the percent yield MgCl2
7. How many milligrams of iron metal must react with excess HCl to produce 46.0 ml of H2(g), measured at 55°C and 745 torr? 2F + 6HCl → 2FeCl(aq) + 3H 8. If all the gas in a neon tank is used to fill 2500 balloons with a volume of 2.5L, what is the mass of neon in the tank? 9. A study of the effects of certain gases on plant growth requires a synthetic atmosphere composed of 2.0g CO2,...
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?
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How many grams of HCl, are needed to produce 125 ml of carbon dioxide gas at STP in the following reaction? CaCO3(s) + 2 HCl(aq) - -> CaCl(aq) + CO2(g) + H20(1) In a reaction similar to this laboratory experiment, 0.625 g of aluminum metal was completely consumed and the H, gas collected over water at 55.0°C and atmospheric pressure of 759 mm Hg. What was the volume of H, gas produced? (Be sure to correct H2...
Mg metal reacts with HCl to produce hydrogen gas. Mg(s)+2HCl(aq)→MgCl2(aq)+H2(g) How many grams of magnesium are needed to prepare 6.90 L of H2 at 775 mmHg and 20 ∘C?
Magnesium metal reacts with hydrochloric acid to give hydrogen gas. Mg + 2 HCl → MgCl2 + H2 Use the following reaction information to answer the subsequent questions. Show all of your work. 92 mm Length of Magnesium ribbon: Barometric Pressure: 762.9 mmHg Water Temperature: 29 °C Initial Gas Volume: 0.00 mL Final Gas Volume: 67.35 mL 0.7559 Mass = Length (in mm) x (1000 mm) 1. Magnesium is usually found in the laboratory as a ribbon strip. Find the...