In endothermic chemical reaction, the energy lost from the surroundings must be what compared to the energy gained by the reaction?

Equal

Explanation:

Energy can neither be destroyed nor be created. It can only be transformed from one form to otherm

So by this, we can say that the above should be equal.

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FALSE

Explanation:

see the picture for the vector

the magnitude of the vector by pythagorean theorem

r = √( (-10)^2 + (3)^2 ) = √109

magnitude = √109 units

the direction angle between vector and x-axis is

tan^(-1)(3/10) = 16.699

so the direction is approximately 16.7 degrees north of west

the ima (higher than 1m) will be greater than the ima with the height of 1m.