- Please Answer All Questions In This Post Thanks 1 (68.73 KiB) Viewed 53 times
Please answer all questions in this post. Thanks.
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answerhappygod
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Please answer all questions in this post. Thanks.
Please answer all questions in this post. Thanks.
QUESTION 9 A sample of N2 gas occupies 2.40 L at 20°C. If the gas is in a container that can contract or expand at constant pressure, at what temperature will the N2 occupy 4.80 L? 0 685 °C O 313 °C O 146 °C O 10 °C O 40 °C QUESTION 10 Mercury vapor contains Hg atoms. What is the volume of 200.0 g of mercury vapor at 822 K and 0.506 bar? O 82.2L 0 135 L O 67.21 0 329L QUESTION 11 Hydrogen peroxide was catalytically decomposed and 75.3 mL of oxygen gas was collected over water at 25°C and 98.9 kPa. What mass of oxygen was collected? (Pwater = 3.2 kPa @ 25 °C) O 0.0993 g O 0.0962 g O 0.00291 g O 0.0931 g QUESTION 12 What mass of KCIO3 must be decomposed to produce 126 L of oxygen gas at 133 °C and 0.891 bar? 2KCIO3(s) + 2Cl(s) + 302(g) O24.6 g O 408 g O 612 g O 70.8 g O 272 g
QUESTION 9 A sample of N2 gas occupies 2.40 L at 20°C. If the gas is in a container that can contract or expand at constant pressure, at what temperature will the N2 occupy 4.80 L? 0 685 °C O 313 °C O 146 °C O 10 °C O 40 °C QUESTION 10 Mercury vapor contains Hg atoms. What is the volume of 200.0 g of mercury vapor at 822 K and 0.506 bar? O 82.2L 0 135 L O 67.21 0 329L QUESTION 11 Hydrogen peroxide was catalytically decomposed and 75.3 mL of oxygen gas was collected over water at 25°C and 98.9 kPa. What mass of oxygen was collected? (Pwater = 3.2 kPa @ 25 °C) O 0.0993 g O 0.0962 g O 0.00291 g O 0.0931 g QUESTION 12 What mass of KCIO3 must be decomposed to produce 126 L of oxygen gas at 133 °C and 0.891 bar? 2KCIO3(s) + 2Cl(s) + 302(g) O24.6 g O 408 g O 612 g O 70.8 g O 272 g
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