Balance the following equation: HCl (aq) + Zn (s) → ZnCl2 (aq) + H2 (g) Please Answer with a picture. or write the answer on paper and take a picture.

HNO3(aq) + CaCO3(s) > Ca(NO3)2(aq) + H2O(l) + CO2(g)Just balance (c. ... acid => hydrogen + zinc chloride Net ionic equation: Zn(s) + 2 H+(aview the full .

Explanation:

- calcium has greater affinity to bond with electron receptors than hydrogen does and hence, it has the ability to replace hydrogen in most of its compounds.

- lithium has 2 valence electrons in the product because it can make only 1 bond with hydrogen. beryllium has 4 valence electrons in the product because it can only make 2 bonds. it has fewer electrons than neon and can react with electron donors. each hydrogen has 2 valence electrons, the same as helium.

- the covalent bond formed between carbon and hydrogen is polar because carbon is more electronegative than hydrogen and it attracts the bonded electron pair closer to itself, thus giving hydrogen a partial positive charge.

- a hydrogen bond is a relatively weak bond that hydrogen atoms make with the electronegative atoms nitrogen, oxygen or fluorine.

so the best choice is a.) 2 calcium (ca) atoms