Although the way the curve
upon the introduction of chemicals slopes downward it suggests a release,
similarly the upward slope of the second picture upon the introduction of
chemicals suggests a build up or absorption of said energy.
<span>Since the products have
more energy, this reaction is endothermic, meaning heat needs to be added. </span><span>
<span>478-432=46kJ of energy absorbed.</span></span>
Air, because it is the least dense material listed, meaning that light can travel through it quicker because there are less particles for it to collide with which would cause it to slow down as it loses energy with each collision
I’m sorry I don’t understand this language
Answer:
14 cm
Explanation:
F = (frac{uv}{u – v})
F = +ve
v = -ve
30 = (frac {25 {times} (-v)}{25 – (-v)})
v = (frac {25 {times} (-v)}{25+v})
v = 14cm
(Note that either negative or positive values go to show the positioning and hence, they are not a strong necessity in your final answer.)
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