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jaira
Questions (9)
Oxygen gas can be generated by the decomposition of potassium chlorate according to the following equation:
2 KClO3(s) --->2
2 answers
663 views
In the lab, students decomposed a sample of calcium carbonate by heating it over a Bunsen burner and collected carbon dioxide
2 answers
453 views
Calculate the density of the following gas: CO2 at 42°C and 790 torr:
1 answer
287 views
At what Kelvin temperature will 25.7 grams of oxygen occupy a volume of 13.5 L at a pressure of 650. torr?
1 answer
383 views
At 23 °C and 745 torr pressure, what will be the volume of 72 mol of SO2 gas? (Enter your answer in scientific notation.)
1 answer
166 views
How many grams of PH3 are present in 477 mL of the gas at STP?
1 answer
763 views
What volume will each of the following occupy at STP?
(a) 1.05 × 1023 molecules of CH4 (b) 1.8 mol CH4 (c) 33.3 g argon
1 answer
543 views
A package of pretzels contains 0.145 L of air on the ground where the temperature is 24°C and the atmospheric pressure is 755
1 answer
348 views
A sample of methane gas, CH4, was collected over water at 25.0 ºC and 730. torr. The volume of the wet gas is 4.64 L. What will
4 answers
507 views
