Chemistry, 12.12.2019 01:31 loganharper992
Jeff and jill go canoeing. while reaching to feed a duck, the boat flips. jeff and jill blow up their inflatable life preservers and then put them on. as they wait for the rescue squad, they calculate how much nitrogen is in each life preserver. they estimate that the volume is 18 l, pressurized to 1.4 atm at 25◦c. the air used for inflation is 80% nitrogen by volume.
Answers: 2
Chemistry, 21.06.2019 23:20
Harvey kept a balloon with a volume of 348 milliliters at 25.0˚c inside a freezer for a night. when he took it out, its new volume was 322 milliliters, but its pressure was the same. if the final temperature of the balloon is the same as the freezer’s, what is the temperature of the freezer? the temperature of the freezer is kelvins.
Answers: 2
Chemistry, 22.06.2019 09:30
In apex! a liquid heated beyond a certain temperature becomes
Answers: 1
Chemistry, 22.06.2019 13:50
Abeaker with 2.00×102 ml of an acetic acid buffer with a ph of 5.000 is sitting on a benchtop. the total molarity of acid and conjugate base in this buffer is 0.100 m. a student adds 4.70 ml of a 0.360 m hcl solution to the beaker. how much will the ph change? the pka of acetic acid is 4.740.
Answers: 1
Jeff and jill go canoeing. while reaching to feed a duck, the boat flips. jeff and jill blow up thei...
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