Chemistry, 27.12.2019 21:31 trinigal83
During a lab activity, students prepared two solutions separately at the same temperature. later they mixed the solutions and the temperature dropped. why?
a: there was no energy input during the chemical reaction
b: energy was absorbed during the chemical reaction
c: energy was released during the chemical reaction
Answers: 3
Another question on Chemistry
Chemistry, 22.06.2019 04:30
Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.
Answers: 1
Chemistry, 22.06.2019 11:30
Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.
Answers: 3
Chemistry, 22.06.2019 20:30
The activation energy for the reaction no2(g)+co2(g)⟶no(g)+co(g) is ea = 300 kj/mol and the change in enthalpy for the reaction is δh = -100 kj/mol . what is the activation energy for the reverse reaction?
Answers: 3
Chemistry, 22.06.2019 22:10
Determine the ph of 0.10 m nh3 solution. nh3 is a weak base with a kb equal to 1.8 x 10-5 round answer to nearest whole number.
Answers: 1
You know the right answer?
During a lab activity, students prepared two solutions separately at the same temperature. later the...
Questions
Mathematics, 27.02.2021 05:50
Mathematics, 27.02.2021 05:50
Mathematics, 27.02.2021 05:50
Arts, 27.02.2021 05:50
Physics, 27.02.2021 05:50
History, 27.02.2021 05:50
Chemistry, 27.02.2021 06:00
Mathematics, 27.02.2021 06:00
Chemistry, 27.02.2021 06:00
Mathematics, 27.02.2021 06:00
