A piece of solid copper, at 10°C, is dropped into a graduated cylinder of 100°C water. Which statement BEST describes the
change in heat energy in this system?
A)
Both water and copper temperatures decrease
B)
The temperatures of both substances remain constant.
Water temperature increases, copper temperature decreases.
D)
Water temperature decreases, copper temperature increases
ustration?
Answers: 3
Chemistry, 21.06.2019 15:50, algahimnada
In a popular classroom demonstration, solid sodium is added to liquid water and reacts to produce hydrogen gas and aqueous sodium hydroxide. part a write a balanced chemical equation for this reaction. express your answer as a chemical equation. identify all of the phases in your answer.
Answers: 3
Chemistry, 23.06.2019 11:00, artiomtyler007
Find the enthalpy of neutralization of hcl and naoh. 87 cm3 of 1.6 mol dm-3 hydrochloric acid was neutralized by 87 cm3 of 1.6 mol dm-3 naoh. the temperature rose from 298 k to 317.4 k. the specific heat capacity is the same as water, 4.18 j/k g. a. -101.37 kj b. 7055 kj c. 10,1365 kj
Answers: 1
A piece of solid copper, at 10°C, is dropped into a graduated cylinder of 100°C water. Which stateme...
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