Chemistry, 05.05.2021 09:00 antoniomunoz424

A substance was analysed and was found to have a boiling point of 450 °C. At room temperature it is a soft grey solid.
Which temperature could be the melting point of a pure sample of the substance?
А
-12 °C
B
56 °C to 72 °C
с
250 °C to 275 °C
D
142 °C

Answers: 1

Show answers

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 01:00, baileysosmart

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Answers: 3

continue

Chemistry, 22.06.2019 02:20, nakeytrag

6. what does the symbol ah stand for? o one calorie given off by a reaction the specific heat of a substance the heat capacity of a substance the heat of reaction for a chemical reaction

Answers: 1

continue

Chemistry, 22.06.2019 06:10, andybiersack154

Explain the relationship between forward and backward reactions in equilibrium, and predict how changing the amount of a reactant (creating a tension) will affect that relationship.

Answers: 1

continue

Chemistry, 22.06.2019 18:00, Yommms

Find the mass, in grams, of 5.00*10^23 molecules of f2

Answers: 1

continue

You know the right answer?

A substance was analysed and was found to have a boiling point of 450 °C. At room temperature it i...