Chemistry, 28.08.2019 16:30, stephanielynch
Physical changes are often accompanied by changes in color or odor.
Answers: 2
Chemistry, 21.06.2019 22:20, Brooke7644
Calcium hydride (cah2) reacts with water to form hydrogen gas: cah2(s) + 2h2o(l) → ca(oh)2(aq) + 2h2(g) how many grams of cah2 are needed to generate 45.0 l of h2 gas at a pressure of 0.995 atm and a temperature of 32 °c?
Answers: 2
Chemistry, 22.06.2019 14:20, greenbyron88
Which statement explains why the bonds between non metals tend to be covalent? the bonds are found to be nondirectional they have large differences in electronegativity they have small differences in electronegativity they have ions that produce an electrostatic pull
Answers: 1
Chemistry, 22.06.2019 18:30, bibiansolis
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
Chemistry, 23.06.2019 05:50, kawaunmartinjr10
Aseismic wave is energy released as the result of rock movement along a fault. t or f ?
Answers: 1
Physical changes are often accompanied by changes in color or odor....
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