Answer:
what is this I am not getting which type of this question you have taken from where
Carbon (from Latin: carbo "coal") is a chemical element with the symbol C and atomic number 6. It is nonmetallic and tetravalent-making four electrons available to form covalent chemical bonds. It belongs to group 14 of the periodic table. Carbon makes up only about 0.025 percent of Earth's crust.
Answer:
<h3>The answer is 1.04 g/mL</h3>
Explanation:
The density of a substance can be found by using the formula

From the question
mass of coke = 21.36 g
volume = 20.5 mL
So we have

We have the final answer as
<h3>1.04 g/mL</h3>
Hope this helps you
It;s a physical change because the tablet dissolved and it made the water cooler
Answer:
Balance chemical equation is
O2(g) + 2H2(g) --> 2H20(g)
a. 0.20 mol 02 --> 0.225mol H20
b. 0.30 mol H2 --> 2.7mol H20