If it’s not katrina, it’s bob. katrina’s is right because gravity is keeping the bird on the perch, but the perch is also holding the bird off of the ground.
Hello, There!
Question↓
put 27,520 in scientific notation
Answer↓
2.752 × 10 to the 4th power Is the Correct Answer!
xXxAnimexXx
hope this helps you!! ^ω^
Answer:
Q = -22.9 kJ
Explanation:
Given that,
Mass of water, m = 150.3 g
Water gets cool from 25.60°C to -10.70°C.
The specific heat of water, c = 4.2 J/g°C
The formula for heat needed is given by :

So, 22.9 kJ of heat is needed to be removed to cool.
The substance that can not be broken down by chemical means is antimony.