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Best Answer • 5 days ago in Chemistry (Science-Related Homework Help) by angfucious
surface tension.

The energy required to increase the surface of a liquid per unit area is called the

▸ capillary action.

▸ surface tension.

▸ viscosity.

▸ cohesion.

▸ specific elasticity.
Best Answer • 5 days ago in Chemistry (Science-Related Homework Help) by AdieMichelle
13.3°

The atomic planes in a graphite crystal are separated by 335 pm. At what angle would you find the first-order ( n = 1) diffraction of 0.154-nm X rays from a graphite crystal?



▸ 27.4°

▸ 66.8°

▸ 0.232°

▸ 13.3°

▸ 38.0°
Best Answer • 5 days ago in Chemistry (Science-Related Homework Help) by olskee
sublimation

The arrow in this phase diagram represents which phase change?

image



▸ sublimation

▸ deposition

▸ freezing

▸ vaporization

▸ fusion
Best Answer • 5 days ago in Chemistry (Science-Related Homework Help) by jchang19

image



Select the pair of substances in which the one with the lower vapor pressure at a given temperature is listed first.

image



PH3, NH3



CF4, CBr4



C3H8, C4H10



F2, Cl2

Best Answer • 5 days ago in Chemistry (Science-Related Homework Help) by chinwe20
CCl4, CBr4

Select the pair of substances in which the one with the higher vapor pressure at a given temperature is listed first.

C7H16, C5H12



▸ CCl4, CBr4

H2O, H2S



CH3CH2OH, CH3–O–CH3



▸ Xe, Kr
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