Chemistry, 06.08.2019 02:30 brii1387

Novelty devices for predicting rain contain cobalt (ii) chloride and are based on the following equilibrium and reacts to humidity as follows:
cocl2(s) + 6 h2o(g) « cocl2·6h2o(s) dh = +25.9 kj
what color will such an indicator be if rain is imminent?
(a) purple
(b) pink
(c) clear
(d) blue
(e) need the temperature to decide

Answers: 3

Show answers

Other questions on the subject: Chemistry

Chemistry, 21.06.2019 22:30, dv2200342

Asample of neon occupies a volume of 375 ml at stp. what will be the volume of neon if the pressure is reduced to 90.0 kpa? a. 422 ml b. 422 l c. 333 ml d. 333 l

Answers: 2

continue

Chemistry, 22.06.2019 09:00, gomezyonathan93

What happens to isotopes that are unstable?

Answers: 1

continue

Chemistry, 22.06.2019 12:00, dekhua

Most materials are not magnetic because their magnetism has worn off. their magnetic domains are arranged randomly. they lack magnetic fields. earth’s heat has destroyed their magnetism.

Answers: 1

continue

Chemistry, 22.06.2019 12:30, hala201490

Place the elements below in order of decreasing ionization energy. aluminum(al) chlorine(cl) magnesium (mg) sulfur(s)

Answers: 1

continue

You know the right answer?

Novelty devices for predicting rain contain cobalt (ii) chloride and are based on the following equi...