Explanation:
In an alpha emission, an alpha particle is ejected from a large nucleus. An alpha particle is simply a helium nucleus (atomic number is 2 and mass number is 4) so that means that the atomic number of the emitting nucleus decreases by 2 and its mass number decreases by 4.
Answer:
<h2>36 atm </h2>
Explanation:
The pressure required can be found by using the formula for Boyle's law which is

Since we are finding the required pressure

From the question we have

We have the final answer as
<h3>36 atm</h3>
Hope this helps you
The answer is C . when the light slows down
Answer:
When you build up a soapy lather, the molecules help lift the dirt, oil and germs from your skin
Explanation:
Soap molecules have one end that bonds with water and the other end that bonds with oils and fats .
Hope this helped!!
Answer:
1. A
2. B
Explanation:
1. Most of the answers don't make that much sense, so using process of elimination I resulted in this answer. I recommend you also try to check with others.
2. This question also was pretty confusing but when using process of elimination I resulted in either A or B. To me B makes more sense.