Hydrogen peroxide was catalytically decomposed and 75.3 mL of oxygen gas was collected over water at 25°C and 742 torr
.1. Hydrogen peroxide was catalytically decomposed and 75.3 mL of oxygen gas was collected over water at 25°C and 742 torr. What mass of oxygen was collected? (Pwater 24 torr at 25°C)
2. Small quantities of hydrogen can be prepared by the addition of hydrochloric acid to zinc. A sample of 195 mL of hydrogen was collected over water at 25°C and 753 torr. What mass of hydrogen was collected? (Pwater 24 torr at 25°C)
3. The air in a bicycle tire is bubbled through water and collected at 250C.If the total volume of gas collected is 5.45L at a temperature of 250C and a pressure of 745 torr. How many molecules of gas were in the bicycle tire?
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Hydrogen peroxide was catalytically decomposed and 75.3 mL of oxygen gas was collected over water at 25°C and 742 torr
A solution is said to be 45 96 HCl by mass. What does this mean? O...
A solution is said to be 45 96 HCl by mass. What does this mean? O 100 g HCI/ 45 g solution O 45 g HCl/100 g solution O 45g HCl/L solution O 45 mol HCI/L solution O 45 g HCI Hydrogen peroxide was catalytically decomposed and 75.3 ml of oxygen gas was collected over water at 25°C and 742 torr. What mass of oxygen was collected? (Pwater = 24 torr at 25*C, R = 0.08206 L atm/mol K) [Round...
A 1,096.9 mL sample of hydrogen gas was collected over water at 25°C and a pressure of 777.6 torr. If the pressure of w...
A 1,096.9 mL sample of hydrogen gas was collected over water at 25°C and a pressure of 777.6 torr. If the pressure of water vapor is 24.0 torr at 25.0°C, what mass of hydrogen gas (g) was collected?
The air in a bicycle tire is bubbled through water and collected at 25°C.
The air in a bicycle tire is bubbled through water and collected at 25°C.Part A If the total volume of gas collected is 5.25 L at a temperature of 25 °C and a pressure of 732 torr, how many moles of gas was in the bicycle tire?
A 100 mL sample of oxygen gas is collected over water at 26 °C and at...
A 100 mL sample of oxygen gas is collected over water at 26 °C and at a pressure of 756 torr. Given that the vapor pressure of water at 26 °C is 25 torr, how many moles of dry oxygen are present? Show all steps and explain fully. ANSWER: 3.9 x 10^-3 mol
1.) A 71.1 mL sample of oxygen was collected over water. The atmospheric pressure is 0.853...
1.) A 71.1 mL sample of oxygen was collected over water. The atmospheric pressure is 0.853 atm and the temperature of the water is 19.6 °C. What are the moles of oxygen? 2. A sample of hydrogen peroxide solution has a mass of 4.027 g. After reacting with the enzyme solution, the moles of oxygen are 0.00264 moles. What is the percent hydrogen peroxide in the solution?
Over time, hydrogen peroxide, H2O2, degrades into water and oxygen gas. A bottle of hydrogen peroxide is...
Over time, hydrogen peroxide, H2O2, degrades into water and oxygen gas. A bottle of hydrogen peroxide is expired and you need to determine the concentration. A titration is performed using the following equation: 3 H2O2(aq) + 2 NaMnO4(aq) → 3 O2(g) + 2 MnO2(aq) + 2 NaOH(aq) + 2 H2O(l) Note that permanganate ion, MnO4-, is purple, while manganese (IV) ion, Mn4+, is colorless. A quantity of 683 mL of 3.44 M NaMnO4 was measured and placed in a beaker. The solution...
Part 1. The air in a bicycle tire is bubbled through water and collected at 25∘C. If the total volume of gas collected i...
Part 1. The air in a bicycle tire is bubbled through water and collected at 25∘C. If the total volume of gas collected is 5.60 L at a temperature of 25∘C and a pressure of 760 torr, how many moles of gas were in the bicycle tire? - Part 2. A 295-mL flask contains pure helium at a pressure of 755 torr . A second flask with a volume of 480 mL contains pure argon at a pressure of 714...
3. How much KCIO3 must be decomposed to provide 400 mL of oxygen gas collected at...
3. How much KCIO3 must be decomposed to provide 400 mL of oxygen gas collected at STP? KCIO3 (5) ► KCI (s) +__02 (8) a 4. The volume of a sample of gas that weighs 0.324 g is 295. mL at 26.°C and 732. torr. Calculate the density of the gas at STP. (732 foor) (2 asmo) ) = (10.m) .: 224 21:259/ 324. dore PVPV TTTTIIIIIIIIIIIIII 1.25g/h 5. What is the molar mass of a gas if 0.528 g...
250 mL of hydrogen gas is collected over water at STP what volune woukd the dry...
250 mL of hydrogen gas is collected over water at STP what volune woukd the dry hydrogen occupy at 850 torr at 13 degress c
A total of 0.829 L of hydrogen gas is collected over water at 33.0°C. The total pressure is 794 torr. If the vapor...
A total of 0.829 L of hydrogen gas is collected over water at 33.0°C. The total pressure is 794 torr. If the vapor pressure of water at 33.0°C is 13.2 torr, what is the partial pressure of hydrogen? torr
A solution is said to be 45 96 HCl by mass. What does this mean? O 100 g HCI/ 45 g solution O 45 g HCl/100 g solution O 45g HCl/L solution O 45 mol HCI/L solution O 45 g HCI Hydrogen peroxide was catalytically decomposed and 75.3 ml of oxygen gas was collected over water at 25°C and 742 torr. What mass of oxygen was collected? (Pwater = 24 torr at 25*C, R = 0.08206 L atm/mol K) [Round...
3. How much KCIO3 must be decomposed to provide 400 mL of oxygen gas collected at STP? KCIO3 (5) ► KCI (s) +__02 (8) a 4. The volume of a sample of gas that weighs 0.324 g is 295. mL at 26.°C and 732. torr. Calculate the density of the gas at STP. (732 foor) (2 asmo) ) = (10.m) .: 224 21:259/ 324. dore PVPV TTTTIIIIIIIIIIIIII 1.25g/h 5. What is the molar mass of a gas if 0.528 g...
A total of 0.829 L of hydrogen gas is collected over water at 33.0°C. The total pressure is 794 torr. If the vapor pressure of water at 33.0°C is 13.2 torr, what is the partial pressure of hydrogen? torr
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