Consider the following reactions. (Note: (s) = solid, (l) = liquid, and (g) = gas.)
Mg(s) + ½O...
Consider the following reactions. (Note: (s) = solid, (l) = liquid, and (g) = gas.)
Mg(s) + ½O2(g) → MgO(s) + 146 kcal/mole
H2(g) + ½O2(g) → H2O(g), ΔH = -57.82 kcal/mole
What type of reaction is represented by the previous two examples?
A: exothermic
B: endothermic
Answers: 3
Chemistry, 22.06.2019 06:20
If i can still dissolve more sugar into the solution at a certain temperature what would i call that solution
Answers: 3
Chemistry, 22.06.2019 13:00
Jose and eric were given four samples in lab. the results of their analysis are shown in the table. based on the data they collected, which sample is most likely a metal?
Answers: 1
Chemistry, 23.06.2019 06:20
Why is it that 85.48 rounded to two significant figures is 85 and not 86?
Answers: 1
Mathematics, 28.10.2021 01:00
English, 28.10.2021 01:00
Mathematics, 28.10.2021 01:00
Mathematics, 28.10.2021 01:00
Mathematics, 28.10.2021 01:00
Mathematics, 28.10.2021 01:00
Physics, 28.10.2021 01:00
Mathematics, 28.10.2021 01:00
Mathematics, 28.10.2021 01:00
Geography, 28.10.2021 01:00
English, 28.10.2021 01:00
SAT, 28.10.2021 01:00