The enthalpy of a reaction can be measured using a Calorimeter
Use function notation to represent this statement:
At 1 p.m., there were 257 visitors in the museum.
Answer: V(4)=257
Explanation: It says that the Museum opens at 9 so it would be 4 hours. And the 257 is the number of visitors at that time.
Step-by-step explanation:
x(x + 7) = 0
By Zero Product rule,
either x = 0 or (x + 7) = 0.
=> x = 0 or x = -7.
1 and 1/4..................................
7) A
8) C
9) B
I’m not certain but I hope this helps you...sorry if I got it wrong!!
