Answer: B (130)
Explanation:
A trapezoidal Riemann sum can be found by multiplying the width (the change in x) of each sub interval by the average of the y values of the two points at either end of the section and then adding up all of the sun intervals. Therefore, the trapezoidal approximation would equal 0.5(40) + 1.5(50) + 1(35) to get the answer of 130.
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Answer: The specific heat of this compound is
a) It is higher than the specific heat of water.
Explanation:
Specific heat is the amount of heat needed by a substance of one gram to raise it's temperature by 1°C.
This specific heat is impacted by the strength of hydrogen bonding in any substance.
Hydrogen has the highest specific heat.
Value of specific heat is directly proportional to strength of bonding in a substance.
If the bonding is strong, it will need more energy to raise its temperature. Hence, specific heat will be more for that substance.
