Why does it take more force to move a heavy box up a ramp than to move the same box down the ramp? 1 point There is more friction on the bottom of the box when going up a ramp. Gravity is pushing the box up the ramp at the same time you are pushing the box up the ramp. When you push an object up a ramp, you are working against gravity, which pulls the box downward. When you push an object up a ramp, you are working against atmospheric pressure, which is pushing down.

the potential energy of the reactants is 200j.

from the energy diagram, the energy of the product formed is 350j; this means that, this reaction is an endothermic reaction, because it absorbs energy from its environment.

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answer; talc and gypsum;

answer:

the answer is 6 valence electrons.

explanation:

valence is the # of electrons on the outer most shell of an atom.

oxygen has 6.

although, the valency of oxygen is 2, because it only needs to make 2 covalent bonds, or gain 2 electrons, to achieve the stable octet configuration of a noble gas.

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