A gas bottle contains 0.800 mol of gas at 730 mm Hg pressure. If the final pressure is 1.15 atm, how many moles of gas were added to the bottle?
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What is the volume of 10.0 g of oxygen gas at 157°C and 2.50…
What is the volume of 10.0 g of oxygen gas at 157°C and 2.50 kPa pressure?
Which of the following would have a density of 1.89 g/L at 7…
Which of the following would have a density of 1.89 g/L at 7.0°C and 0.987 atm?
How many liters of oxygen are needed to exactly react with 5…
How many liters of oxygen are needed to exactly react with 55.6 g of methane at STP?CH4(g) + 2 O2(g) → CO2(g) + 2 H2O(l)
How many grams of H2 gas are there in a 5.00-L cylinder at 4…
How many grams of H2 gas are there in a 5.00-L cylinder at 4.00 × 103 mm Hg and 23°C?
Neogene uplift created which elevated feature?
Neogene uplift created which elevated feature?
“Lucy” is which type of hominid?
“Lucy” is which type of hominid?
What microbe is used to create transgenic plants incorporati…
What microbe is used to create transgenic plants incorporating Ti plasmids?
40% of all mammals alive today belong to the order Rodentia.
40% of all mammals alive today belong to the order Rodentia.
The top part of a glacier, where snowfall exceeds melting, i…
The top part of a glacier, where snowfall exceeds melting, is called: