Explosives are made up of gunpowder
1 gram = 1000 milligrams
/ move the decimal to the left 3 because you multiply by 10^3
5.712 grams = 5,712 milligrams
1 gram = 0.001 kilograms
/ move decimal to the right 3 because you multiply by 10^ -3
5.712 grams = 0.005712 kilograms
Answer:
Choices 2 and 4
Explanation:
HCL is formed witthe the elements Hydrogen and Chlorine. Whatever is on the left side of the equation must match up with the right side of the equation.
2. H + Cl --> HCl (we have one hydrogen and one chlorine)
4. 2HCl --> H2 + Cl2 (since the two is distributed to both the H and the Cl, H has 2 and Cl has two on the left side AND on the right side of the equation)
8 kilograms. By using the formula M = KE / (V * V).
<span> physical change-i hope this helps:)God Bless:)
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