Answer:
Calorimetry
Explanation:
In the calorimetry experiments, mix a known amount of a high temperature material, about 100 ° C, with an equivalent amount of water at room temperature. In a device thermally isolated from the environment, and the initial and final temperatures of liquid and solid are analyzed and energy conservation relationships, the specific heat of the unknown material can be found.
I will not help you but i would surely take these points for answering this question but i lied.
Based on the options given, the answer is two waves subtract from each other. Destructive interference happens when two waves meet each other however with different frequencies cancel each other out.
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Answer:
a.)alkene
b.)alkane
d.)alkana
about c..I think there is something wrong with the question
At=v-u, where u=0
t= v/a=42/6 = 7
Answer: 7 seconds
