Question

Q2 Write the skeleton equation for each of the following reactions. Then balance each of the following

chemical equations.

1. hydrogen + oxygen = water

2. iron (III) oxide + hydrogen = water + iron

3. sodium + water sodium = hydroxide + hydrogen

4. copper + Oxygen = Copper(II) Oxide

5. potassium iodide + chlorine potassium chloride + iodine

6. chromium + tin(IV) chloride chromium(III) chloride + tin

7. magnesium + copper(II) sulphate magnesium sulphate + copper

8. zinc sulphate + strontium chloride zinc chloride + strontium sulphate

9. ammonium chloride + lead(III) nitrate ammonium nitrate + lead(III) chloride

10. iron(III) nitrate + magnesium sulphide iron(III) sulphide + magnesium nitrate

11. aluminum chloride + sodium carbonate aluminum carbonate + sodium chloride

12. sodium phosphate + calcium hydroxide sodium hydroxide +calcium phosphate​

Answer 1

when hydrogen gas, H2(g), is burned in the presence of gaseous oxygen, O2(g), a new substance, liquid water, H2O(l ), forms. The covalent bonds within the H2 molecules and O2 molecules break, and new covalent bonds form between oxygen atoms and hydrogen atoms

Answer 2

Answer:

see the attachment ✌️❣️