Chemistry, 07.10.2020 07:01 clickbaitdxl
Small pieces of copper at 100.0°C are placed in 110.0 g of water at 25.0°C in a perfectly insulated calorimeter. The water and copper reach the same final temperature. The initial and final
Temperatures of the water are shown
Which of the following statements about thermal energy transfer in the experiment is correct?
Answers: 2
Chemistry, 21.06.2019 22:30
Which statement best describes the oxidation numbers of the atoms found in magnesium chloride? a. magnesium has a 2- oxidation number and chlorine has a 1+ oxidation number. b. magnesium has a 2- oxidation number and chlorine has a 2+ oxidation number. c. magnesium has a 2+ oxidation number and chlorine has a 1- oxidation number. d. magnesium has a 1+ oxidation number and chlorine has a 1- oxidation number.
Answers: 2
Chemistry, 22.06.2019 18:00
Which three statements represent the benefits of performing experiments using computer simulations?
Answers: 2
Chemistry, 22.06.2019 23:10
Afusion reaction takes place between carbon and another element. neutrons are released, and a different element is formed. the different element is a) lighter than helium.b)heavier than helium.c)the same weight as helium.d)dependent on the element that reacted with carbon.
Answers: 3
Small pieces of copper at 100.0°C are placed in 110.0 g of water at 25.0°C in a perfectly insulated...
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