Chemistry

Chemistry, 05.11.2019 23:31, samueldfhung

What's oxygen's room temperature to turn into a gas

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Mathematics, 25.08.2019 01:20, aruhter2843

Problem 1: conditions for an experimental chemistry reaction require a temperature of 298 k. the temperature in the lab is 55°f. which of the following must you do to meet the requirements? (°f= 9/5 (k - 273) + 32) a. increase the room temperature by 22°f b. decrease the room temperature by 12°c c. decrease the room temperature by 33°f d. increase the room temperature by 18 k 2. jim, jane, ann, and bill measure an object’s length, density, mass, and volume, respectively. which student’s measurement might be in liters? a. bill’s b. jim’s c. jane’s d. ann’s

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Physics, 18.09.2019 20:20, Twitches

Imagine you've been walking outside on a cold winter's day. when you arrive home at your studio apartment, you realize that you left a window open and your 5.0m×5.0m×3.0m room is only slightly warmer than the outside. you turn on your 1.0-kw space heater right away and wait impatiently for the room to warm up.in this problem, make the following assumptions: the entire 1.0kw=1.0×103j/s output of the space heater goes into warming the air in the room.the air in the room is an ideal gas with five degrees of freedom per particle (three translational degrees of freedom and two rotational degrees of freedom—about right for nitrogen and oxygen).the air in the room is at a constant pressure of 1.00 atm.at room temperature (22 ∘c= 295 k) and atmospheric pressure, 1.00 mole of air fills a volume of 24.2 l. this is slightly larger than the volume of air at standard temperature and pressure, because room temperature is hotter than 0 ∘c.how long will it be before the heater warms the air in the room by 10 ∘c? express your answer in minutes to two significant figures.

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Chemistry, 24.09.2019 05:00, hihihi129473838

Oxygen and nitrogen are both gases at room temperature. explain why oxygen has a greater force of attraction between its particles than nitrogen.(room temperature is 20°c)

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Chemistry, 24.09.2019 08:30, loanyst99111

Oxygen and nitrogen are both gases at room temperature. explain why oxygen has a greater force of attraction between its particles than nitrogen. (room temperature is 20°c)

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