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2) If I start this reaction with 40. grams of magnesium and an excess of nitric...
For the following reaction, if i start this reaction with 153.0 grams of hydrobromic acid and an excess of potassium bi sulfate, a) how many grams of sulfur dioxide gas will I produce? b) if 98.75 g are actually achieved, what is the % yield of the reaction? HBr(aq) + KHSO3(aq) --> KBr(aq)+SO2(g)+H2O(I)
14. The reaction of magnesium metal with hydrochloric acid produces hydrogen gas as a product. I would like to collect 125 mL of hydrogen gas from the experiment. The temperature of the lab is 23.5°C and the pressure is 762 mmHg. How many grams of magnesium metal should I use if the hydrochloric acid is kept in excess? Mg(s) + 2 HCl(aq) MgCl2(aq) + H2(g)
Metallic magnesium reacts with steam to produce solid magnesium hydroxide and hydrogen gas. If 19.5 g of Mg is heated with 12 g of H2O a) What is the limiting reactant? b) How many grams of Mg(OH)2 are formed by the reaction? c) How many moles of the excess reactant are left over?
I burn 2.1 grams of solid magnesium metal in excess oxygen gas to make solid magnesium oxide. How much magnesium oxide can I make?
Consider the reaction of magnesium metal with hydrochloric acid to produce magnesium chloride and hydrogen gas. If 4.34 mol of magnesium and 4.34 mol of hydrochloric acid are reacted, how many moles of hydrogen gas are produced? a. 8.68 mol b. 2.17 mol c. 4.34 mol d. 6.34 mol e. none of these
6. Answer the following questions regarding the reaction below. a. How many grams of hydrogen would be needed to produce 5.450 x 106 kJ of energy? Assume excess oxygen? How many grams of oxygen would be needed to produce 2.725 x 106 kJ of energy? Assume excess hydrogen? Determine the value of q for the formation of 6.542 grams of water. Determine the value of q for the conversion of 6.542 grams water into hydrogen and oxygen gas. b. c....
For the following reaction, 4.79 grams of
magnesium nitride are mixed with excess
water. The reaction yields 6.84
grams of magnesium hydroxide.
magnesium nitride (s) +
water (l) magnesium
hydroxide (aq) + ammonia
(aq)
What is the theoretical yield of magnesium
hydroxide?
grams
What is the percent yield for this reaction?
%
For the following reaction, 5.18 grams of water are mixed with excess magnesium nitride. The reaction yields 6.10 grams of magnesium hydroxide. magnesium nitride (s) + water (l) -> magnesium hydroxide (aq) + ammonia (aq) What is the ideal yield of magnesium hydroxide? grams What is the percent yield for this reaction? %
A solid magnesium undergoes a single replacement reaction with aqueous hydrochloric acid to produce hydrogen gas(and another product). Write a balanced Chemical equation for this reaction. How many milli liters of hydrogen gas (at 25゚C and 1atm) Can be produced from the reaction between 0.0411 g of magnesium and 15.0mL of 2.98 M hydrochloric acid?
Part A) Which is the correct equation for the reaction of magnesium with hydrochloric acid to produce hydrogen gas and magnesium chloride? Part B) Barium chloride and sodium sulfate react according to the following equation. BaCl2 + Na2SO4 → BaSO4 + 2NaCl Answer the following question(s) about this reaction. How many grams of barium chloride are needed to make 100. grams of barium sulfate? Part C) Barium chloride and sodium sulfate react according to the following equation. BaCl2 + Na2SO4...