Chemistry, 09.03.2020 22:49 nicky123415
A sample of hydrogen gas at 127 degrees celsius has a pressure of 2.00 atm. at final temperature, in degrees celsius, will the pressure of the H2 decrease to .25 atm, if v and n do not change?
Answers: 3
Chemistry, 21.06.2019 19:00
Does the temperature affect the solubility of sugar and salt in water? if it does tell me like different temperatures with different solubilities so i can sketch down a graph
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Chemistry, 22.06.2019 07:20
After watching the video "zinc strip in copper nitrate solution", and reading the instructions, click on the link labeled "start" just below the drawing of the pencil tip. follow the direction to complete the 3x3 grid. answer the below questions for the portion of the activity in which sn(s) is placed in agno3(aq)
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Chemistry, 22.06.2019 08:30
What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots
Answers: 3
Chemistry, 22.06.2019 16:30
An atom with 7 protons, 6 neutrons, and 7 electrons has an atomic mass of amu. (enter a whole number.) numerical answers expected! answer for blank 1:
Answers: 3
A sample of hydrogen gas at 127 degrees celsius has a pressure of 2.00 atm. at final temperature, in...
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