Answer:
i am pretty sure its A
Explanation:
they are etheir together like black and white or some sort of pattern if notice.
If they are like B,C,D like that they are mixtures which are NOT PURE SUBSTANCE'S.
Answer:
Entropy.
Explanation:
I really hope this is right! sorry if its wrong
The solution that conducts electricity and has a pH value of 7 would most likely be a neutral solution. Water is among the best examples of a neutral solution. When the pH of a solution is considered to be lesser than 7, it is an acid, while if the pH is greater than 7, it is considered to be a basic solution.
Answer:
<h2>The answer is 35 mL</h2>
Explanation:
Density of a substance can be found by using the formula

From the question we are finding the amount of space the gas will occupy that's the volume of the gas
Making volume the subject we have

From the question
mass = 23.8 g/mL
Density = 0.68 g/mL
Substitute the values into the above formula and solve
That's

We have the final answer as
<h3>35 mL</h3>
Hope this helps you