Chemistry, 10.11.2021 17:30 eweqwoewoji
Small pieces of copper at 100.0°C
are placed in 110.0g
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.
A.220J
B.230J
C.460J
D.920J
Answers: 2
Chemistry, 21.06.2019 21:10
When the volume and number of particles of a gas are constant which of the following is also constant
Answers: 3
Chemistry, 22.06.2019 09:40
In the lab, ammonia was mixed with water to form ammonium hydroxide. what is/are the reactant(s)? o water and ammonia o ammonia o ammonium hydroxide need
Answers: 2
Chemistry, 22.06.2019 10:00
The reactions shown here can be combined to make the overall reaction c(s) + h2o(g) ⇌ co(g) + h2(g) by reversing some and/or dividing all the coefficients by a number. a. c(s) + o2(g) → co2(g) k=1.363×10^69 b. 2 h2(g) + o2(g) → 2 h2o(g) k=1.389×10^80 c. 2co(g) + o2 (g) → 2 co2(g) k=1.477×10^90
Answers: 1
Small pieces of copper at 100.0°C
are placed in 110.0g
of water at 25.0°C
...
of water at 25.0°C
...
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