Okay, I'm here for ya!
What do you need help with? It is correct "If you burn [...] 0.02 mols of propane 44kj of energy [...] released"
What's the problem here?
Edit: "For each gram of propane burned, 50 kJ of energy is released" maybe?
Answer:
7 inches
Step-by-step explanation:
56/8=7
Area/length=width
Answer:
It is not proportional.
Step-by-step explanation:
The first and last one are the right ones.
Sove the system:
x: Mary´s age
y: Mom´s age:
x + y = 67
3x + 7 = y
Replace y in the first equation:
x + 3x + 7 = 67
4x = 67 - 7
4x = 60
x = 15 yrs.
y = 67 - 15 = 52 yrs
Answer:
70
Step-by-step explanation: