A sample of Ar gas experiences a change in pressure from 196 kPa to 213.9 kPa. During this change, the temperature is also changed from 120.59 K to 675.54 K.
If its new volume is 7.316 L, what was its original volume?
0.85L
O 1.0L
1.2 L
O 1.4L

Gymnast always perform on padded mats. how does the mats protect the gymnast

In a laboratory, 1.55mg of an organic compound containing carbon, hydrogen, and oxygen is burned for analysis. this combustion resulted in the formation of 1.45mg of carbon dioxide and .89 mg of water. what is the empirical formula for this compound?

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.