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8. What is the limiting reactant when 92.4 g of manganese (lI) chloride, 48.3 g of...
A sample of iron metal is placed in a graduated cylinder. It is noted that 10.4 mL of water is displaced by the iron. The iron is then reacted with excess hydrochloric acid to produce iron (II) chloride and hydrogen gas. Given the density for iron is 7.86 g/mL, how many grams of iron (II) chloride are produced in the reaction? Fe(s) + 2HCl(aq) - FeCl2(aq) + H2(g)
Gas Laws Pre-Lab Name Section 1. Calculate the number of moles of hydrogen gas generated when 0.214 g of zinc reacts with hydrochloric acid Zn(s) + 2HCl(aq) --ZnCl (aq) +Hy(@) 2. Calculate the number of moles of hydrogen gas generated if the cudiometer volume is 76.34 mL, the total pressure of H, generated over water is measured to be 755.0 torr, and the temperature is 22.0°C. P o ar 22.0°C = 19.8 torr) (R = 62.36 L torr/mol K or...
Gas Laws Pre-Lab Name Section 1. Calculate the number of moles of hydrogen gas generated when 0.214 g of zinc reacts with hydrochloric acid. Zn(s) + 2HCl(aq) --ZnCl(aq) +H.(8) 2. Calculate the number of moles of hydrogen gas generated if the cudiometer volume is 76.34 mL, the total pressure of H, generated over water is measured to be 755.0 torr, and the temperature is 22.0°C. (Psoat 22.0°C - 19.8 tort) (R = 62.36 L tor/mol K or 0.08206 L atm/mol...
What volume of hydrogen gas is produced when 23.8 g of iron reacts completely according to the following reaction at 0°C and 1 atm? iron(s) + hydrochloric acid(aq) iron(II) chloride(aq) + hydrogen(g) ____ liters hydrogen gas
7. Identify the limiting and excess reactants in this experiment. Copper is the limiting reaction and Silver nitrate is excess. 8. Silver is a precious metal. The price of silver fluctuates daily as it is traded on the open market. Look u rent market value of silver in the financial section of the daily newspaper or on the Internet and record Note: The price of metals is usually quoted per Troy ounce, where 1 Troy ounce = 31.1 grams. 9....
Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric acid, HCl(aq), as described by the chemical equation MnO,(s) + 4 HCl(aq) + MnCl2(aq) + 2 H,0(1) + Cl2(g) How much Mno,(s) should be added to excess HCl(aq) to obtain 275 mL CI,(e) at 25°C and 725 Torr? mass of Mno, Solid ammonium chloride, NH,CI, is formed by the reaction of gaseous ammonia, NH,, and hydrogen chloride, HCI. NH,() + HCI(g) →NH,Cl(s) A 4.70 g...
16. When 1.10 g of zinc metal is treated with 300.0 mL of 0.800 M nitric acid solution, the products are hydrogen gas and zinc nitrate (Zn(NO3)2). (a) Write the balanced chemical equation corresponding to this reaction. You must include the physical states. (b) Determine if there is a limiting reagent. (c) Determine the number of moles of hydrogen gas produced. (d) Determine the volume of the hydrogen gas at STP. (e) Suppose the reaction were actually carried out at...
When aluminum is placed in concentrated hydrochloric acid, hydrogen gas is produced. 2Al(s)+6HCl(aq)⟶2AlCl3(aq)+3H2(g) What volume of H2(g) is produced when 3.90 g Al(s) reacts at STP?
57 ldeal Gas Law: Estimation of Molar Mass of Magnesium Experiment 8 QUESTIONS A POST LAB A 0.0524-g sample of magnesium is reacted with 25 mL of 3.0 M sulfuric acid as described in the experimen- tal section. The resulting hydrogen gas is colllected over water and is found to have a volume of 53.6 mL. The temperature is 25 °C and the atmospheric pressure is 762.12 mm Hg. The column of water height inside the graduated cylinder is found...
y. The reaction for photosynthesis producing glucose sugar and oxygen sa _CO2(g) + _H2O()- CH,206(S) + _ 02(8) What is the mass of glucose (180.18 g/mol) produced in mass of glucose (180.18 g/mol) produced from 2.20 g of CO2 (44.01 g/mol)? 10. In a certain lab experiment, aluminum metal (AI) is reacted with hydrochloric acid, HCl, to generate hydrogen gas, H2. If the mass of the collected hydrogen gas was 0.273 g, what is the percent yield of the reaction?...