Answer:
Sodium is stored under paraffin oil
Explanation:
Group 1 metals are known to be very highly reactive. The chemical reactivity of the members of the group decreases down the group.
Sodium reacts violently with water and upon exposure to the atmosphere. As a result of this, it must be stored under paraffin oil.
The chart lists the masses and velocities of four objects.
Which object requires the greatest change in momentum in order to stop its motion?
Answer
Z
Explanation:
ability to gain speed over a short period of time.
the formula is:
_ v - v0 <Delta> v
a = _______ = ________
t <Delta> t
This reaction is unbalanced. If you balance it, it would be:
2Al + 6HCl --> 3H2 + 2AlCl3
That way there are two aluminums on each side, six hydrogens on each side, and six chlorines on each side.
Answer: pretty sure 14 pounds
Explanation:
