Answer:
8280 cal
Step-by-step explanation:
Q=mc(delta)T
Q=1200(0.115)(-60)
Q=8280 cal
I used 1200 g instead of 1.2 kg
Answer:
2n - 4
Step-by-step explanation:
expand brackets
8n - 4 - 6n
collect like terms
2n - 4
Looks like the answer is 72.89 degrees, which is roughly equal to 73 degrees.