The amount of energy that was used to heat Cu is 27.6 cal
<u><em>calculation</em></u>
Heat (Q) = M ( mass) x c(specific heat capacity) x ΔT( change in temperature)
where;
Q=?
M = 5.0 g
C=0.092 cal/g°C
ΔT = 80°c-20°c=60°C
Q is therefore = 5.0 g x 0.092 cal / g°c x 60°c =27.6 cal
Answer:C. Compounds are the smallest unit of an element that occur on the periodic table!!
Explanation:
If your question is of the core of the Earth, it is suspected to be made of iron and nickel.
Answer:
TRUE
Explanation:
People in United States especially the young people consumes more alcohol than any other drugs in the world. According to a report, about 24 millions of people over the age 18 consumes an average of 74 alcoholic drinks in a week. In the United States, they use it more as a recreational drug other than tobacco or certain illicit drugs.
Hence the answer is TRUE.
