Chemistry, 23.10.2019 23:10 domenicaBeBe2007
Chemical reactions that release energy possess reactants with lower energy than their products. true or false
heat is the most common form of energy absorbed or released in chemical reactions. true or false
Answers: 2
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The length of a vector arrow represents its magnitude and the point represents its direction true or false apex
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Select all that apply. a beta particle: is electromagnetic energy is an electron has zero charge is emitted from the nucleus has a +2 charge has a -1 charge
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Chemistry, 22.06.2019 05:30
Which of the following signs of a chemical reaction are observed in the reaction of potassium with water? precipitate formed temperature change smell produced gas produced color change
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Chemistry, 22.06.2019 10:30
Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space
Answers: 2
Chemical reactions that release energy possess reactants with lower energy than their products. true...
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