I NEED THE ANSWER ASAP I AM IN A RUSH Because kinetic energy is proportional to the velocity (speed) squared, increases in velocity (speed) will have an exponentially greater effect on kinetic energy.

Doubling the mass of an object will only double its kinetic energy, but doubling the velocity (speed) of the object will quadruple its velocity.

Group of answer choices

True

False

these nuts

"you start with 15.67 g mgco3-xh2o, when heated and all the water is removed, you are left with 7.58 g mgco3 only.

therefore, you had 15.67 - 7.58 = 8.09g h2o  

moles of each :

7.58g mgco3 = ? moles = 7.58g / 83.4g/mole = 0.09moles  

8 09g h2o = ? moles = 8.09g / 18g/mole = 0.44moles  

molar ratio between the two by dividing both numbers by the smallest number :

0.09 / 0.09 = 1  

0.44 / 0.09 = 4.8  

mgco3-5h2o"

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