Chemistry, 03.09.2021 07:30 fredvales19
Select all the correct answers.
Based on the enthalpy changes given for the reactions, which reactions are endothermic?
2H2O → 2H2 + O2, ΔH = 484 kJ
C + O2 → CO2, ΔH = -394 kJ
H2 + Br2 → 2HBr, ΔH = -73 kJ
2NH3 → N2 + 3H2, ΔH = 92 kJ
Answers: 1
Chemistry, 21.06.2019 19:50, limelight11
Which statement describes how phase changes can be diagrammed as a substance is heated? the phase is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the phase is on the x-axis. the time is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the time is on the x-axis.
Answers: 1
Chemistry, 22.06.2019 20:30, dinapaul424
Which states of matter have particles that move independently of one another with very little attraction?
Answers: 1
Select all the correct answers.
Based on the enthalpy changes given for the reactions, which react...
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