Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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A 75 L container holds 62 moles of gas at a temperature of 215 degrees celcius. What is the pressure in kPa inside the container?
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- 3) a sample of gas at an initial volume of 12.8L initial pressure of 0.957 atm and an initial temperature of 266 K simultaneously changes its temp to 434 K and its volume to 7.52 L. What is the final pressure of the gas?arrow_forwardIf you have 3.3 moles of a gas at 200.13 mL and 27.8 oC ,what is it's pressure?arrow_forwardAa.77. A mixture of 0.198 g of H2, 1.197 g of N2, and 1.007 g of Ar is stored in a closed container at STP. Find the volume in liters of the container, assuming that the gases exhibit ideal behavior.arrow_forward
- Sometimes in lab we collect the gas formed by a chemical reaction over water (see sketch at right). This makes it easy to isolate and measure the amount of gas produced. Suppose the H₂ gas evolved by a certain chemical reaction taking place at 30.0 °C is collected over water, using an apparatus something like that in the sketch, and the final volume of gas in the collection tube is measured to be 116. mL. g G Sketch of a gas-collection apparatus X collected gas water Calculate the mass of H₂ that is in the collection tube. Round your answer to 2 significant digits. You can make any normal and reasonable assumption about the reaction conditions and the nature of the gases. chemical reactionarrow_forwardPlease helparrow_forwardcollected Sometimes in lab we collect the gas formed by a chemical reaction over water (see sketch at right). This makes it easy to isolate and measure the amount of gas produced. gas chemical water reaction Suppose the CO, gas evolved by a certain chemical reaction taking place at 45.0 °C is collected over water, using an apparatus something like that in the sketch, and the final volume of gas in the collection tube is measured to be 85.4 mL. Sketch of a gas-collection apparatus Calculate the mass of CO, that is in the collection tube. Round your answer to 2 significant digits. You can make any normal and reasonable assumption about the reaction conditions and the nature of the gases.arrow_forward
- east.cengagenow.com [Review Topics] [References] Use the References to access important values if needed for this question. A 3.58 gram sample of an unknown gas is found to occupy a volume of 1.99 L at a pressure of 865 mmHg and a temperature of 42 °C. Assume ideal behavior. The molar mass of the unl own gas is Submit Answer g/mol. Retry Entire Group 8 more group attempts remaining Previous Email Instructor Next + Save and Exit 53% 00arrow_forward2. An unknown gas sample is collected in a 245 mL container at 25°C and 755 mmHg. a. How many moles of gas are present? b. If the gas sample weighs o.356 grams, what is the molar mass of the gas? c. What is the density of the gas?arrow_forwardTrue or False? Consider 1 mole of gas A inside a rigid 1.0 L container, and 1 mole of gas B inside a different rigid 1.0 L container. Both containers are at the same temperature. The gas with the greater molar mass will exert a greater pressure inside the container. Group of answer choicesarrow_forward
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