Answer:
2835 J
Explanation:
Take the specific heat capacity of water as 4.2 J/ g°C.
Energy (heat) = mass x specific heat capacity x change in temperature
(E= mcΔT)
E = 27 x 4.2 x (45-20)
E = 2835 J
A neutron is in the nucleus. The isotope symbol consists of the mass number and atomic number. <span>The mass number is the number of neutrons and protons. </span>
<span>Therefore adding neutrons affects the mass number. This means the symbol is affected.</span>
Answer:
[H]=10^-4 when ph=4 higher
[H]=10^-5 when ph =5 lower
Explanation:
brains
Bro
The state of matter is solid lol❤️
I like people who are short and know what”a popppppppp
