Answer:
change in the total mass of substances
H2S donates a proton, therefore it is a Brønsted-Lowry base; CH3NH2 accepts a proton, so it’s a Brønsted-Lowry base.
Answer:
The answer is
<h2>11.25 g/mL</h2>
Explanation:
The density of a substance can be found by using the formula

From the question
mass = 45 g
volume = 4 mL
Substitute the values into the above formula and solve for the density
We have

We have the final answer as
<h3>11.25 g/mL</h3>
Hope this helps you
Answer:
b. milk spoiling and c. firecrackers exploding
Explanation:
These are both chemical changes, the composition of them change when this happens and it cannot be reversed