Missing question:
a) strong base and its conjugate acid.
b) weak base and its conjugate acid.
c) strong acid and strong base.
d) weak acid and its conjugate base.
e) weak acid only.
f) weak base only.
g) strong acid and its conjugate base.
Answers are:
b) weak base and its conjugate acid. For example weak base ammonia (NH₃) and its conjugate acid ammonium ion (NH₄⁺).
d) weak acid and its conjugate base. For example weak acetic acid (CH₃COOH) and its conjugate base CH₃COO⁻.
Buffer solution changes pH very little when a small amount of strong acid or base<span> is added to solution.</span>
Answer: Im not sure but i think its B
Explanation: Its hard to explain so im
not gonna do it
Substance C can be compared with gaseous particles in which intermolecular forces are so weak because particles are far from each other.
Hence option C is correct.
Answer:
Upper cuticle and guard cells
Ah , a cup of hot chocolate is alot of chocolate. Im gonna drool ; )
Well , heat flows from an area of high temperature to an area of low temperature. Here , hot chocolate has the high temp , and the surrounding has a room temp. So , the heat from the hot chocolate will dissipate into the surroundings and create a thermal equilibrium. So youre right.
