Chemistry, 24.03.2021 16:10 Worksmarter1703

Substance A and substance B were dissolved in two separate 100 mL beakers of water, which each started at a temperature of 25.1°C. The mixtures' temperatures were measured and recorded as shown in the table below. Substance Initial Temp. Final Temp. A 25.1°C 30.2°C B 25.1°C 20.0°C Which statement is a correct interpretation of the data? A. The dissolving of substance A released heat and the dissolving of substance B absorbed heat. B. The dissolving of substance B released heat and the dissolving of substances A absorbed heat. C. Only the dissolving of substance A absorbed heat. D. Only the dissolving of substance B released heat.

Answers: 2

Show answers

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 05:50, Makoshark6887

According to coulomb's law, how would the electrical force between particles change if the product of their electrical charge increased?

Answers: 1

continue

Chemistry, 22.06.2019 10:50, deb2710

How many liters of oxygen gas, at standard temperature and pressure, will react with 35.8 grams of iron metal? 4 fe (s) + 3 o₂ (g) → 2 fe₂o₃ (s)

Answers: 2

continue

Chemistry, 22.06.2019 12:10, Josias13

|using the periodic tablewarm-upuse the periodic table in the tools bar to answer the following questions. what elemental classification does oxygen belongto? done

Answers: 3

continue

Chemistry, 22.06.2019 13:00, carlinryan

16. why must the number of electrons lost equal the number of electrons gained in every redox reaction? use 3 – 4 sentences in your own words to address this question. 18. what type of radiation is emitted when chromium-51 decays into manganese-51? show the nuclear equation that leads you to this answer. 19. a radioactive nucleus alpha decays to yield a sodium-24 nucleus in 14.8 hours. what was the identity of the original nucleus? show the nuclear equation that leads you to this answer.

Answers: 2

continue

You know the right answer?

Substance A and substance B were dissolved in two separate 100 mL beakers of water, which each start...