C. Balance the following chemical reactions: (a) Ca(OH)2 + HNO3 → Ca(NO3)2 + H20 (b) BaCl2 (aq) + H2SO4 (aq) → BaSO4 (s) + HCI (aq) (c) CuSO4 (aq) + Zn (s) ZNSO4 (ag) + Cu (s) (d) H2S + SO2 (g) + H2O (1) (g) (s) (e) BaCl2 (aq) + Al2(SO4)3 (aq) –→ AICI3 (aq) + BaSO4 (s) (f) Pb (NO3)2 (aq) + Fe2(SO4) (aq) → Fe(NO3)3 (aq) + PbSO4 (s) (g) Calcium hydroxide + carbon dioxide Calcium carbonate + water (h) Aluminium + Copper (II) chloride → Aluminium chloride + copper Calcium chloride + water + carbon dioxide (i) Calcium carbonate + hydrochloric acid →

Introductory Chemistry: A Foundation
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Chapter6: Chemical Reactions: An Introduction
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Problem 20QAP: Many over-the-counter antacid tablets are now formulated using calcium carbonate as the active...
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Balance chemical equation
C. Balance the following chemical reactions:
(а) Са(ОН)2 + HNO3 ->
Ca(NO3)2 + H20
(b) BaCl2 (aq) + H2SO4 (aq) →
BaSO4 (s) + HСІ (ag)
(c) CuSO4 (aq) + Zn (s)
ZNSO4 (ag) + Cu (s)
(d) H2S
+ SO2 (g)
S (s) + H2O ()
(g)
(e) BaCl2 (aq) + Al2(SO4)3 (aq) –→ AICI3 (aq) + BaSO4 (s)
(f) Pb (NO3)2 (aq) + Fe2(SO4) (aq) → Fe(NO3)3 (aq) + PbSO4 (s)
(g) Calcium hydroxide + carbon dioxide → Calcium carbonate + water
(h) Aluminium + Copper (II) chloride → Aluminium chloride + copper
(i) Calcium carbonate + hydrochloric acid →
Calcium chloride + water + carbon dioxide
Transcribed Image Text:C. Balance the following chemical reactions: (а) Са(ОН)2 + HNO3 -> Ca(NO3)2 + H20 (b) BaCl2 (aq) + H2SO4 (aq) → BaSO4 (s) + HСІ (ag) (c) CuSO4 (aq) + Zn (s) ZNSO4 (ag) + Cu (s) (d) H2S + SO2 (g) S (s) + H2O () (g) (e) BaCl2 (aq) + Al2(SO4)3 (aq) –→ AICI3 (aq) + BaSO4 (s) (f) Pb (NO3)2 (aq) + Fe2(SO4) (aq) → Fe(NO3)3 (aq) + PbSO4 (s) (g) Calcium hydroxide + carbon dioxide → Calcium carbonate + water (h) Aluminium + Copper (II) chloride → Aluminium chloride + copper (i) Calcium carbonate + hydrochloric acid → Calcium chloride + water + carbon dioxide
B. Write balanceu cnemical equations with physical state symbols and necessary conditions, if any
(a) Nitrogen reacts with hydrogen in the presence of iron as a catalyst at 200 atmospheric pressure and 600°C
temperature, and the product obtained is ammonia.
(b) Aqueous solution of sodium hydroxide reacts with hydrochloric acid and produces sodium chloride and
water.
(c) Phosphorus burns in chlorine gas to form phosphorous pentachloride.
Transcribed Image Text:B. Write balanceu cnemical equations with physical state symbols and necessary conditions, if any (a) Nitrogen reacts with hydrogen in the presence of iron as a catalyst at 200 atmospheric pressure and 600°C temperature, and the product obtained is ammonia. (b) Aqueous solution of sodium hydroxide reacts with hydrochloric acid and produces sodium chloride and water. (c) Phosphorus burns in chlorine gas to form phosphorous pentachloride.
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