Solid magnesium reacts with aqueous phosphoric acid to produce magnesium phosphate and hydrogen gas. The balanced...
Solid magnesium reacts with aqueous phosphoric acid to produce magnesium phosphate and hydrogen gas. The balanced chemical equation is:
3Mg(s) + 2H3PO4(aq) → Mg3(PO4)2(s) + 3H2(g)
Calculate the moles of hydrogen gas you want to produce (do not express your answer in scientific notation
Homework Answers
SINCE NO MASS OR MOLES OF SOLID MAGNESIUM IS MENTIONED WE CONSIDER IDEAL CASE HENCE
3 MOLES OF Mg REACT WITH 2 MOLES OF PHOSPHORIC ACID TO GIVE 3 MOLES OF HYDROGEN GAS
HENCE 3 MOLES OF HYDROGEN GAS WILL BE PRODUCED.
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Solid magnesium reacts with aqueous phosphoric acid to produce
magnesium phosphate and hydrogen gas. The balanced...
Aqueous hydrochloric acid reacts with magnesium to produce hydrogen gas according to the balanced equation below...
Aqueous hydrochloric acid reacts with magnesium to produce hydrogen gas according to the balanced equation below 2HCl (aq) + Mg (s) = MgCl2 (aq) + H2 (g) If 250.0 mL of 3.00 M HCl is combined with 9.92 g Mg, what volume of hydrogen gas can be produced? Assume the temperature and pressure of the gas are 25oC and 0.988 atm, respectively. ( R=0.08206 )
A solid magnesium undergoes a single replacement reaction with aqueous hydrochloric acid to produce hydrogen gas(and...
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 B Phosphoric acid reacts with magnesium hydroxide to produce magnesium phosphate and water via the...
Part B Phosphoric acid reacts with magnesium hydroxide to produce magnesium phosphate and water via the following reaction: ?H.PO, + ? Mg(OH)2 → ? Mg(PO4)2 +? H2O Balance the equation, then enter the coefficients, in order, in the answer box Enter four integers separated by commas. View Available Hint(s) Part C You carefully weigh out 13.00 g of CaCO, powder and add it to 52.65 g of HCl solution. You notice bubbles as a reaction takes place. You then weigh...
aqueous potassium phosphate reacts with aqueous nickel(II) bromide to produce solid nickel(II) phosphate and aqueous potassium bromide
Write a balanced chemical equation based on the following description: aqueous potassium phosphate reacts with aqueous nickel(II) bromide to produce solid nickel(II) phosphate and aqueous potassium bromide.
Express your answer as a chemical equation including phases. 1. Solid magnesium reacts with aqueous copper(I)...
Express your answer as a chemical equation including phases. 1. Solid magnesium reacts with aqueous copper(I) chloride to form aqueous magnesium chloride and solid copper. 2. Gaseous nitrogen monoxide decomposes to form nitrogen gas and oxygen gas. 3. Solid calcium reacts with aqueous hydrochloric acid to form aqueous calcium chloride and hydrogen gas. 4. Liquid propanol (C3H7OH)(C3H7OH) reacts with oxygen gas to form gaseous carbon dioxide and gaseous water.
6. Write a balanced equation describing each of the following chemical reactions. (a) Solid potassium chlorate,...
6. Write a balanced equation describing each of the following chemical reactions. (a) Solid potassium chlorate, KClO3, decomposes to form solid potassium chloride and diatomic oxygen gas. (b) Solid aluminum metal reacts with solid diatomic iodine to form solid Al2I6. (c) When solid sodium chloride is added to aqueous sulfuric acid, hydrogen chloride gas and aqueous sodium sulfate are produced. (d) Aqueous solutions of phosphoric acid and potassium hydroxide react to produce aqueous potassium dihydrogen phosphate and liquid water.
Question 1 (1 point) Reaction of chromium metal with phosphoric acid produces chromium(lI) phosphate and hydrogen gas....
Question 1 (1 point) Reaction of chromium metal with phosphoric acid produces chromium(lI) phosphate and hydrogen gas. Select the correct balanced equation O2Cr(s)+2H3PO4laq)-- 2CrPO4(s)+6H(g) O2Cr(s)+2H3PO4laq)--2CrPO4(s)+3H2(g) O3Cr(s)+3H3PO4(aq)--Cr3(PO4]3(s)+3 H2{g) O2Cr(s)+2H3PO3(aq)--2CrPO3(s)+3H2(g) Question 2 (1 point) Methane gas (CH4) reacts with steam (H20 (g)) to produce hydrogen gas and carbon monoxide gas. Select the correct balanced equation. OCHalg) +H20(g) -- 6H(g)+CO(g) O2CH4(8)+H20(g)- 3H2(g)+2CO(g) OCH4(8) +H20(g) - 3H2(g)+CO(g) OCH4(8) +2H208)-- 4H2{g)+CO2{g) Question 3 (1 point) When the following equation is balanced using the smallest possible...
Collecting Gas over Water Aluminum reacts with aqueous sodium hydroxide to produce hydrogen gas according to...
Collecting Gas over Water
Aluminum reacts with aqueous sodium hydroxide to produce hydrogen gas according to the following equation: 2Al(s) + 2NaOH(aq) + 6H2O(1)—>2NaAl(OH)4(aq) + 3H2(g) The product gas, H2, is collected over water at a temperature of 20 °C and a pressure of 756 mm Hg. If the wet H2 gas formed occupies a volume of 5.83 L, the number of moles of Al reacted was mol. The vapor pressure of water is 17.5 mm Hg at 20 °C.
Metallic magnesium reacts with steam to produce solid magnesium hydroxide and hydrogen gas. If 19.5 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?
Hydrogen gas production Hydrogen gas will be produced by reacting magnesium metal with aqueous hydrochloric acid....
Hydrogen gas production Hydrogen gas will be produced by reacting magnesium metal with aqueous hydrochloric acid. The products are hydrogen gas and magnesium chloride. The hydrogen gas will be collected in the gas collection apparatus, and the magnesium chloride salt will dissolve in the aqueous solution. Write a balanced equation for this reaction.
Part B Phosphoric acid reacts with magnesium hydroxide to produce magnesium phosphate and water via the following reaction: ?H.PO, + ? Mg(OH)2 → ? Mg(PO4)2 +? H2O Balance the equation, then enter the coefficients, in order, in the answer box Enter four integers separated by commas. View Available Hint(s) Part C You carefully weigh out 13.00 g of CaCO, powder and add it to 52.65 g of HCl solution. You notice bubbles as a reaction takes place. You then weigh...
Write a balanced chemical equation based on the following description: aqueous potassium phosphate reacts with aqueous nickel(II) bromide to produce solid nickel(II) phosphate and aqueous potassium bromide.
Question 1 (1 point) Reaction of chromium metal with phosphoric acid produces chromium(lI) phosphate and hydrogen gas. Select the correct balanced equation O2Cr(s)+2H3PO4laq)-- 2CrPO4(s)+6H(g) O2Cr(s)+2H3PO4laq)--2CrPO4(s)+3H2(g) O3Cr(s)+3H3PO4(aq)--Cr3(PO4]3(s)+3 H2{g) O2Cr(s)+2H3PO3(aq)--2CrPO3(s)+3H2(g) Question 2 (1 point) Methane gas (CH4) reacts with steam (H20 (g)) to produce hydrogen gas and carbon monoxide gas. Select the correct balanced equation. OCHalg) +H20(g) -- 6H(g)+CO(g) O2CH4(8)+H20(g)- 3H2(g)+2CO(g) OCH4(8) +H20(g) - 3H2(g)+CO(g) OCH4(8) +2H208)-- 4H2{g)+CO2{g) Question 3 (1 point) When the following equation is balanced using the smallest possible...
Collecting Gas over Water
Aluminum reacts with aqueous sodium hydroxide to produce hydrogen gas according to the following equation: 2Al(s) + 2NaOH(aq) + 6H2O(1)—>2NaAl(OH)4(aq) + 3H2(g) The product gas, H2, is collected over water at a temperature of 20 °C and a pressure of 756 mm Hg. If the wet H2 gas formed occupies a volume of 5.83 L, the number of moles of Al reacted was mol. The vapor pressure of water is 17.5 mm Hg at 20 °C.
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