Chemistry, 23.09.2021 01:20 lejeanjamespete1
Air containing 79%N2 and 21%O2 by volume diffused in 140 second while the same volume of oxygen took 147 second to diffuse. calculate the molecular mass of Nitrogen
Answers: 2
Chemistry, 22.06.2019 02:20
Compared with the freezing-point depression of a 0.01 m c6h12o6 solution, the freezing-point depression of a 0.01 m nacl solution is
Answers: 1
Chemistry, 22.06.2019 02:30
You have a sample of a gas that occupies a volume of 17ml at -111 degrees celsius. what volume does the sample occupy at 88 degrees celsius? show all work asap
Answers: 3
Chemistry, 22.06.2019 16:00
If 15 drops of ethanol from a medical dropper weight 0.60g, how many drops does it takes from a dropper to dispense 1.0ml of ethanol? the density of ethanol is 0.80g/ml
Answers: 1
Chemistry, 22.06.2019 18:30
The table lists the lattice energies of some compounds.compoundlattice energy (kj/mol)lif –1,036licl –853naf –923kf –821nacl –786which statement about crystal lattice energy is best supported by the information in the table? the lattice energy increases as cations get smaller, as shown by lif and kf.the lattice energy increases as the cations get larger, as shown by lif and licl.the lattice energy decreases as cations get smaller, as shown by nacl and naf.the lattice energy decreases as the cations get smaller, as shown by naf and kf.
Answers: 3
Air containing 79%N2 and 21%O2 by volume diffused in 140 second while the same volume of oxygen took...
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