Answer:
See below
Explanation:
1 minute is 4 halflives ( because 4 x 15 sec = 1 minute)
(1/2)^4 = 1/16
you will have 1/16 as many M&M as you started
Answer:
Q = 3440Kj
Explanation:
Given data:
Mass of gold = 2kg
Latent heat of vaporization = 1720 Kj/Kg
Energy required to vaporize 2kg gold = ?
Solution:
Equation
Q= mLvap
It is given that heat required to vaporize the one kilogram gold is 1720 Kj thus, for 2 kg
by putting values,
Q= 2kg × 1720 Kj/Kg
Q = 3440Kj
Answer:
its 19 I'm pretty sure about
