Answer:
18.18 C
Explanation:
m=55
C=0.45
Q=450zj
ch.temp=?
Q=mct
450 = (55)(.45)T
450 = 24.75
/24.75 = /24.75 (cancels out)
18.18 is the answer
Answer:
B
Explanation:
it is the energy stored in the chemical bonds of a substance
Answer:
First, set the coefficient of C6H14 to 1, then 6CO2 and 7H2O are generated, so there are 9.5 O2, but there can be no fraction, so multiply the coefficient by 2, that is the result
2 19 12 14