Which of the following statements is true for an exothermic reaction?
the products hav...
Which of the following statements is true for an exothermic reaction?
the products have higher potential energy than the reactants, and the enthalpy change is negative.
the products have higher potential energy than the reactants, and the enthalpy change is positive.
the products have lower potential energy than the reactants, and the enthalpy change is negative.
the products have lower potential energy than the reactants, and the enthalpy change is positive.
Answers: 2
Chemistry, 22.06.2019 11:00
An object becomes electrically charged when: electrons are created in it electrons from it are destroyed electrons are transferred to it protons from it are destroyed protons are created in it
Answers: 1
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Acompound has a molecular weight of 12.124 atomic mass units and the empirical formula c3h40. what is the molecular formula of the compound?
Answers: 3
Chemistry, 22.06.2019 15:30
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.
Answers: 2
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