Answer:
B) it reacts with sodium metal to form sodium hydroxide and hydrogen gas
Explanation:
B is the only option that show a chemical property, density, freezing, and boiling points are physical properties.
Answer:
You see things happen much sooner than you hear them.
Explanation:
Light travels about a million times as fast as sound.
When the ball hits the bat , it will take about a million times longer to hear the crack of the bat than to see it.
What you see is almost instantaneous.
There will be a delay until you hear the sound.
ANSWERS:
1.

⇒ 2KCl +

2.

⇒

3.

⇒

4.

⇒

5.

⇒

I have attached my work for 1-3. I would like to see if you can get 4 and 5 on your own. but, if you are struggling/copnfused please let me know in the comments! :)
Answer:
when acid and the base mix it is bonding together and that makes it have a little blast but because of the acid
Explanation:
acid is the mane thing that makes 50% of things blast like as if i were to put baking soada and acid it would blast.
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The answer is B. molality