Chemistry, 07.07.2019 01:00 zaleemawhite
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 17 l, pressurized to 1.3 atm at 298â—¦k. the air used for inflation is 80% nitrogen by volume and 20% oxygen by volume. give the amount of nitrogen gas. answer in units of grams.
Answers: 1
Chemistry, 22.06.2019 12:00
A5.000 g sample of niso4 h2o decomposed to give 2.755 g of anhydrous niso4. what is the formula of the hydrate? what is the full chemical name for the hydrate? what is the molar mass of the hydrate? niso4•_h2o what is the mass % of water in the hydrate?
Answers: 1
Chemistry, 22.06.2019 18:00
Hydrogenation reactions, in which h2 and an "unsaturated" organic compound combine, are used in the food, fuel, and polymer industries. in the simplest case, ethene (c2h4) and h2 form ethane (c2h6). if 140 kj is given off per mole of c2h4 reacting, how much heat (in mj) is released when 12 kg of c2h6 forms?
Answers: 2
Chemistry, 23.06.2019 02:00
What is the source of continuous heat and energy that we receive from the sun
Answers: 2
Chemistry, 23.06.2019 14:00
Ahas distinct properties and composition that never vary.
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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