Which statement BEST explains why the specific heat of water is higher than the specific heat of most other substances?
2 answers:
Answer: option A Due to its polarity and hydrogen bonding water can absorb heat without a significant temperature change.
A water molecule is formed of two hydrogen atoms and one oxygen atom. The atoms are have strong hydrogen bond. Also, water is a polar molecule. there is uneven distribution of density of electrons. This makes the bond even more stronger between the hydrogen atoms and oxygen. Hence, the heat required to raise the temperature of water is high compared to specific heat of other substances.
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Answer:
a) F = 21.16 N, b) a = 3.17 10²⁸ m / s
Explanation:
a) The outside between the alpha particles is the electric force, given by Coulomb's law
F =
in that case the two charges are of equal magnitude
q₁ = q₂ = 2q
let's calculate
F =
F = 21.16 N
this force is repulsive because the charges are of the same sign
b) what is the initial acceleration
F = ma
a = F / m
a = 21.16 / 4.0025 1.67 10-27
a = 3.17 10²⁸ m / s
this acceleration is in the direction of moving away the alpha particles