In which of the following reactions has the oxidation number of nitrogen increased?
In which of the following reactions has the oxidation number of nitrogen increased? A. 2NO(g) + Br2(l) →…
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As the concentration of an electrolyte reduces, the conductivity
As the concentration of an electrolyte reduces, the conductivity A. reduces to zero B. decreases C. increase D.…
When ΔH is negative, a reaction is said to be
When ΔH is negative, a reaction is said to be A. ionic B. reversible C. exothermic D. endothermic…
3Cu(s) + 8HNO3(aq) 3Cu(NO3)2(aq) + 4H2O(l) + 2NO(g) In the equation above, copper is
3Cu(s) + 8HNO3(aq) 3Cu(NO3)2(aq) + 4H2O(l) + 2NO(g) In the equation above, copper is A. an electron acceptor…
2SO2(g) + O2(g) ↔ 2SO3(g) ΔH = -189 kJ mol-1 The equilibrium constant for the…
2SO2(g) + O2(g) ↔ 2SO3(g) ΔH = -189 kJ mol-1 The equilibrium constant for the reaction above is…
C(s) + 2S(g) → CS2(g) ΔH = +89 kJ mol-1 The chemical equation above implies…
C(s) + 2S(g) → CS2(g) ΔH = +89 kJ mol-1 The chemical equation above implies that A. each…
Ethanoic acid is
Ethanoic acid is A. tribasic B. unionizeable C. monobasic D. dibasic Correct Answer: Option C Explanation
Which of the following best explains the increase in the rate of a chemical reaction…
Which of the following best explains the increase in the rate of a chemical reaction as the temperature…
What current in amperes will deposit 2.7g of aluminium in 2 hours? [Al = 27,…
What current in amperes will deposit 2.7g of aluminium in 2 hours? [Al = 27, F = 96…
A metal M displaces zinc from zinc chloride solution. This shows that
A metal M displaces zinc from zinc chloride solution. This shows that A.M is more electronegative than zinc…