Electrical energy can be used to separate water into O2(g) and H2(g). In one demonstration of...

Question

Question

Electrical energy can be used to separate water into O2(g) and H2(g). In one demonstration of...

Electrical energy can be used to separate water into O₂(g) and H₂(g). In one demonstration of this reaction, 17.00 mL of H₂ are collected over water at 25°C. Atmospheric pressure is 741.0 mmHg. How many grams of H₂ are collected?

science chemistry

Add a comment Improve this question Transcribed image text

Answer 1

Answer #1

The complete step wise calculation of the mass of H₂ is given as below:-

given th at Ia 17 X13L Volume (V) 00ML Since, L 1000ML 298k Temp enet une (T)= 25 °C= (25+242) Pressure 741.0 mm hg

Gras Constant R) 624 LmmHgmol.K Since, vapon p essure a Heo 8 mmH So1 tha nesultant Pressure F41-23-8) mmng Then from ideal

.2Mm) xi3 62.4 LmmHg X 298k moek 6.561x10- moler 122 moles 1 8595.2 mole culan weight af He= 2 g1mol. Thun the mass afH2 (6.5

Add a comment

Answer 2

Similar Homework Help Questions

Electrical energy can be used to separate water into O2(g) and H2(g). In one demonstration of...

Electrical energy can be used to separate water into O2(g) and H2(g). In one demonstration of this reaction, 17.00 mL of H2 are collected over water at 25°C. Atmospheric pressure is 741.0 mmHg. How many grams of H2 are collected?
Electrical energy can be used to separate water into O2(g) and H2(g). In one demonstration of...

Electrical energy can be used to separate water into O2(g) and H2(g). In one demonstration of this reaction, 17.00 mL of H2 are collected over water at 25°C. Atmospheric pressure is 741.0 mmHg. How many grams of hydrogen are collected?
1st attempt di See Periodic Table See Hint In one demonstration of this reaction, 32.00 mL...

1st attempt di See Periodic Table See Hint In one demonstration of this reaction, 32.00 mL of H2 are collected over water at 25°C. Atmospheric pressure is 759.0 mmHg. How many grams of H2 are collected? g Hydrogen MacBo esc Fl F4 F5 F6 4

2 Calculate the pressure of the Hydrogen gas collected. Water temperature was 23.0 ° C and...

2 Calculate the pressure of the Hydrogen gas collected. Water temperature was 23.0 ° C and the atmospheric pressure was 741.0 mmHg. (Hint the density of Mercury is 13.6 g/mL) H2 gas collected over water 220. mm H20 RT
1. A student reacted 0.0159 g of Al with excess HCI and collected the H2 gas over water against a...

I need help with my homework :) 1. A student reacted 0.0159 g of Al with excess HCI and collected the H2 gas over water against an atmospheric pressure 744 mmHg and a temperature of 22.0°C. Write the net ionic equation for the reaction of Al with HCl. Calculate the volume of the gas. The vapor pressure of water at 22.0°C is 19.8 mmHg. 1. A student reacted 0.0159 g of Al with excess HCI and collected the H2 gas...
a rigid oxygen tank with 150 grans of O2 was inflated with more O2 from 3.5...

a rigid oxygen tank with 150 grans of O2 was inflated with more O2 from 3.5 atm to 15 atm at a constant orwssure. Find the final moles and grams od O2 in the tank N2(g) was collected over water in a volume id 16.2 mL at 25*C under atmospherix pressure of 780 Torr. partial pressure if water is P(H2O,25*C)= 24 Torr. Find mols of N2 1. A rigid oxygen tank with 150 grams of O2 was inflated with more...

PRACTICE EXAMPLE B: An 8.07 g sample of impure Ag20 decomposes into solid silver and O2(g)....

PRACTICE EXAMPLE B: An 8.07 g sample of impure Ag20 decomposes into solid silver and O2(g). If 395 mL O2(g) is collected over water at 25 °C and 749.2 mmHg barometric pressure, then what is the percent by mass of Ag2O in the sample? The vapor pressure of water at 25 °C is 23.8 mmHg.
The following reaction was performed over water: 2H2O2 (l) -> 2H2O (l) + O2 (g) What...

The following reaction was performed over water: 2H2O2 (l) -> 2H2O (l) + O2 (g) What volume of "dry O2" was obtained if the amount of H2O2 used was 15.0g at a total pressure of 755.5 mmHg at a temperature of 25°C? The vapor pressure of water is 23.8 mmHg at 25°C.
Name RT PV R30.08206 cm CHMISTRY IA, EXPERIMENT Experimental Determination of R Pre la questions: Gas...

Name RT PV R30.08206 cm CHMISTRY IA, EXPERIMENT Experimental Determination of R Pre la questions: Gas volume measurement To 23°0 P.762 mming 193 mL of o, wis collected over water on a day when the atmospheric wessure was 762 mm . The temperature of the water was 23. 0°C. How many ains or orygon were collected? (Hint recall: Dalton's law and the vapor pressure of Postal Potom Ges collection water at 23.0°C) 2. Hydrogen gas was collected over water as...

What is the heat of reaction if there 24.0 grams of H2 (g) and 64.0 grams...

What is the heat of reaction if there 24.0 grams of H2 (g) and 64.0 grams of O2 (g) in the following reaction? Assume that the reaction will stop as soon as one of the reactants is used up. 2H2 (g) + O2(g) 2H2O() AH = – 571.6 kJ Your Answer: Answer units Question 33 (2 points) How many kilojoules of energy are absorbed by the dissolution of 19.2 grams of KCN in 65 grams of water if the water...

Electrical energy can be used to separate water into O2(g) and H2(g). In one demonstration of...

Homework Answers

Add Answer to:
Electrical energy can be used to separate water into O2(g) and H2(g). In one demonstration of...

Post as a guest

Earn Coins