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Mademuasel [1]
3 years ago
5

Which of the following are vector quantities? Check all that apply.

Physics
1 answer:
Dennis_Churaev [7]3 years ago
8 0
It’s distance for my answer but tell me if anyone tells u this answer thanks
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Based on relative bond strengths, classify these reactions as endothermic (energy absorbed) or exothermic (energy released)
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<span>Exothermic reaction is a chemical reaction that releases energy. This reaction releases heat energy or light . In an endotermic reaction energy is used. Enthaply is the heat energy change , delta H. If the sum of the enthalpies of the reactans is greater than the products the reaction is exothermic. If the products side has a larger enthaply than the process is endothermic. So, if delta H is negative then the process is exothermic. If delta H is positive, than the process is endothermic. Exothermic are: A+BC -> AB+C A2+B2 -> 2AB Endothermic are:AB+C -> AC+B A2 + C2 -> 2AC B2+C2 -> 2BC</span>
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3 years ago
Reactions that release energy into the environment in the form of heat
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DEFINITION:::::;;The type of reactions in which energy is releases to the environment are called Exothermic reactions.

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When you close a switch in an electric circuit you are stopping the flow of electrons
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The answer would be E7. Galaxies categorized as E0 look to be nearly perfect, while those registered as E7 seem much extended than they are widespread. It is worth noting, though, that a galaxy's look is connected to how it lies on the sky when viewed from Earth. An E7 galaxy is very long and thin or the flattest of them all. 

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2 years ago
In the expression 3x2y + 4x – 5x2y, are the terms 3x2y and –5x2y like terms? Explain by providing support for your answer.
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