<span>The number in front is the number of molecules (or atoms) taking part in the (balanced) chemical reaction equation.</span>
According to my assumptions,the answer closest to the perfection is :
c. they show royalty instead of peasants.
The amount of energy required to raise the temperature of one gram of water by one celsius degree is called a calorie.
<h3>How can you define calorie?</h3>
In physics, we can define it as a unit of measurement that defines the amount of energy to raise the temperature of 1 gram of water by 1°C. Each material has its unique calorie, however by definition we use water as it is the lowest of all the elements.
Normally, calorimetry is directly linked with the thermal capacity that an element has to contain heat.
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Answer:
a force is represented by a<u> vector </u>the choice of a <u>reference frame</u> is necessary
Explanation: