Consider the reaction 2A + 3B ⟶3C + 2D. The standard enthalpy of formation for A, B, C and D are -79.8, 49.2, -145.8, and -87.4, respectively in kJ / mol. What is the standard enthalpy change for the reaction in kJ/mol?

Two metal blocks that have slightly different temperatures are placed next to one another. after five minutes, they both have lower but equal temperatures. according to the law of conservation of energy, what  most likelyhappened? energy was created inside the blocks.energy was destroyed inside the blocks.energy was absorbed into the blocks from outside the system.energy was transferred from the warmer block to the cooler block.

The graph indicates the running route for tobias. which best describes his run? from time 0 to 6, he went fast and then slowed down. from time 6 to 10, he was at his slowest. from time 12 to 14, he went very slow. from time 14 to 18, he went toward the starting point.

What is dhmo? hint: you find it everywhere something is wet..