Which of the following describes the melting point of a solid?
O
A. The temperature at which intermolecular forces become stronger
than kinetic energy
B. The temperature at which the effects of heating exceed the
effects of pressure
O
C. The temperature at which the kinetic energy overcomes the
intermolecular forces
D. The temperature at which molecular motion is unaffected by
intermolecular forces
Answers: 1
Chemistry, 22.06.2019 06:40, alyons60
Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.
Answers: 3
Chemistry, 22.06.2019 14:00, hammackkatelyn60
The content of manganese (mn) in steel was determined spectrophotometrically and with the use of the standard addition method. an unknown sample of mn from a digested steel sample gave an absorbance of 0.185 when analyzed spectrophotometrically. when 5.00 ml of solution containing 95.5 ppm mn was added to 50.0 ml of the unknown steel solution (digested sample), the absorbance was 0.248. calculate the concentration, in parts-per-million (ppm), of mn in the digested steel sample solution.
Answers: 3
Chemistry, 23.06.2019 04:20, vliu732
The reaction below shows a system in equilibrium. how would a decrease in temperature affect this reaction? a. the rate of formation of the gases would increase. b. the equilibrium of the reaction would shift to the left. c. the equilibrium would shift to cause the gases to sublime into solids. d. the chemicals on the left would quickly form the chemical on the right.
Answers: 1
Which of the following describes the melting point of a solid?
O
A. The temperature at w...
O
A. The temperature at w...
English, 29.07.2019 08:00
World Languages, 29.07.2019 08:00
World Languages, 29.07.2019 08:00
History, 29.07.2019 08:00