Homework Answers
If you like the answer give a thumbs up 
Add Answer to:
17) (6 pts) What mass in grams of hydrogen is produced by the reaction of 4.73g...
6. Find the mass of AICI3 that is produced when 25.0 grams of Al203 reacts with...
6. Find the mass of AICI3 that is produced when 25.0 grams of Al203 reacts with HCl according to the following equation. (3 pts) Al203 +6HCI-2AIC3 + 3H2O 7. Ammonia can be made by reaction of water with magnesium nitride; balance the equation: (2 pts) MgsN2(s) + H2O) Mg(OH)2(s) + NH3(g)
A sample of magnesium metal reacts completely with water via the following reaction: Mg (s) +...
A sample of magnesium metal reacts completely with water via the following reaction: Mg (s) + 2 H2O (l) → Mg(OH)2 (aq) + H2 (g) The hydrogen produced is collected over water at 25.0°C. If the volume of the gas is 7.80L and the pressure is 0.980 atm, calculate the mass of magnesium metal reacted. (Pwater @ 25.0°C = 23.8 mm Hg)
6. The following reaction is used to generate hydrogen gas in the laboratory. If 85.7 ml...
6. The following reaction is used to generate hydrogen gas in the laboratory. If 85.7 ml of gas is collected at 21°C and has a total pressure of 767 mm Hg, what mass of hydrogen (in grams) is produced? A possibly useful table of water vapor pressures is provided below. Mg(s) + 2 HCl(aq) - MgCl2(aq) + H2(g) I(C) P (mm Hg) 20 17.55 25 23.78 30 31.86
Hydrogen gas can be produced in the laboratory through the reaction of magnesium metal with hydrochloric...
Hydrogen gas can be produced in the laboratory through the reaction of magnesium metal with hydrochloric acid: Mg(s)+2HCl(aq)→MgCl2(aq)+H2(g) What is the volume, in liters, of H2 gas produced at 22 ∘C and 840 mmHg from the reaction of 32.0 g of Mg?
In the following reaction, how many grams of hydrogen gas are produced from 141 grams of CaH2. CaH2 + 2 H20 + Ca(OH)...
In the following reaction, how many grams of hydrogen gas are produced from 141 grams of CaH2. CaH2 + 2 H20 + Ca(OH)2 + 2 H2
What mass of water is produced when 10.0 L of hydrogen react completely in the following...
What mass of water is produced when 10.0 L of hydrogen react completely in the following equation at STP? H2(g) + O2(g)H2O(l) A. 14.2 g B. 8.03 g C. 16.1 g D. 40.3 g
Uuel Score: 1.50/ Autos Tutored Practice Problem 8.2.4 COUNTS TOWARDS GRADE Use reaction stoichiometry to calculate...
Uuel Score: 1.50/ Autos Tutored Practice Problem 8.2.4 COUNTS TOWARDS GRADE Use reaction stoichiometry to calculate amounts of reactants and products. Close Problem The substances magnesium nitride and water react to form magnesium hydroxide and ammonia. Unbalanced equation: Mg3N2 (5) + H20 (1) Mg(OH)2 (aq) + NH3 (aq) In one reaction, 66.4 g of NH, is produced. What amount (in mol) of H20 was consumed? What mass (in grams) of Mg(OH)2 is produced? mol H2O consumed g Mg(OH)2 produced Check...
10. Hydrogen gas can be produced from the reaction of calcium hydride and water. CaH, (s)...
10. Hydrogen gas can be produced from the reaction of calcium hydride and water. CaH, (s) + 2 H20 (1) ► 2 H2(g) + Ca(OH)2 (aq) How many grams of calcium hydride are needed to produce 2.5 L of hydrogen gas, collected over water at 26°C and 760. torr total pressure?
A-D A student performed an experiment in which they collected hydrogen gas from the reaction of...
A-D
A student performed an experiment in which they collected hydrogen gas from the reaction of magnesium with hydrochloric acid using the same apparatus that you will be using in today's lab. The reaction is: Mg(s) + 2 HCl(aq) → H2(g) + MgCl2 (aq) The data they collected are shown below: Mass of Mg Volume of HCI Volume of H2 collected Temperature of H2 collected Barometric pressure 0.100 g 10 mL 57.5 mL 22 °C 29.94 in Hg a. Barometric...
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?
6. Find the mass of AICI3 that is produced when 25.0 grams of Al203 reacts with HCl according to the following equation. (3 pts) Al203 +6HCI-2AIC3 + 3H2O 7. Ammonia can be made by reaction of water with magnesium nitride; balance the equation: (2 pts) MgsN2(s) + H2O) Mg(OH)2(s) + NH3(g)
6. The following reaction is used to generate hydrogen gas in the laboratory. If 85.7 ml of gas is collected at 21°C and has a total pressure of 767 mm Hg, what mass of hydrogen (in grams) is produced? A possibly useful table of water vapor pressures is provided below. Mg(s) + 2 HCl(aq) - MgCl2(aq) + H2(g) I(C) P (mm Hg) 20 17.55 25 23.78 30 31.86
In the following reaction, how many grams of hydrogen gas are produced from 141 grams of CaH2. CaH2 + 2 H20 + Ca(OH)2 + 2 H2
Uuel Score: 1.50/ Autos Tutored Practice Problem 8.2.4 COUNTS TOWARDS GRADE Use reaction stoichiometry to calculate amounts of reactants and products. Close Problem The substances magnesium nitride and water react to form magnesium hydroxide and ammonia. Unbalanced equation: Mg3N2 (5) + H20 (1) Mg(OH)2 (aq) + NH3 (aq) In one reaction, 66.4 g of NH, is produced. What amount (in mol) of H20 was consumed? What mass (in grams) of Mg(OH)2 is produced? mol H2O consumed g Mg(OH)2 produced Check...
10. Hydrogen gas can be produced from the reaction of calcium hydride and water. CaH, (s) + 2 H20 (1) ► 2 H2(g) + Ca(OH)2 (aq) How many grams of calcium hydride are needed to produce 2.5 L of hydrogen gas, collected over water at 26°C and 760. torr total pressure?
A-D
A student performed an experiment in which they collected hydrogen gas from the reaction of magnesium with hydrochloric acid using the same apparatus that you will be using in today's lab. The reaction is: Mg(s) + 2 HCl(aq) → H2(g) + MgCl2 (aq) The data they collected are shown below: Mass of Mg Volume of HCI Volume of H2 collected Temperature of H2 collected Barometric pressure 0.100 g 10 mL 57.5 mL 22 °C 29.94 in Hg a. Barometric...
Most questions answered within 3 hours.
-
Rank the following titrations in order of increasing pH at the
halfway point to equivalence (1...
asked 4 minutes ago -
Physicians add a special dimension to a governing board. What
are the important things to consider...
asked 9 minutes ago -
Mr. Smalley, who had been diagnosed as manic-depressive and had
been in and out of mental...
asked 6 minutes ago -
A circular (0.8 m diameter) footing with q=50 kN/m^2 is placed
on the ground surface. Compute...
asked 12 minutes ago -
Calculate the effective radiation dosage in rems for a 75 ‑kg
person who is exposed to...
asked 13 minutes ago -
Determine the heat of combustion (ΔH2) for propane
(C3H8) using the bond energy table. HINT: you’ll...
asked 24 minutes ago -
1 Give the host id in binary for the following IP addresses
(assuming classful):
a) 130.11.6.9...
asked 26 minutes ago -
A concert loudspeaker suspended high off the ground emits 32 W
of sound power. A small...
asked 29 minutes ago -
WRITE A JAVA PROGRAM THAT READS DATA FROM A .CSV FILE
!!
PLEASE SEE INSTRUCTIONS BELOW...
asked 34 minutes ago -
Short essay, about 500 words that is structured like the
examples from the business world you...
asked 31 minutes ago -
A billiard ball moving at 6.00 m/s strikes a stationary ball of
the same mass. After...
asked 32 minutes ago -
From past history, the scores on a statistics test are normally
distributed with a mean of...
asked 1 hour ago