Chemical Engineering - Stoichiometry

11.
Molar heat capacity of water in equilibrium with ice at constant pressure is
0
1
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.

12.
If pH value of a solution is 8, then its pOH value will be
6
1
7
10
Answer: Option
Explanation:
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13.
The chemical nature of an element is independent of
its atomic number.
the number of protons or electrons present in it.
the number of neutrons present in it.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

14.
The heat change for the reaction, C(s) + 2S(s) → CS2(l), is 104.2 kJ. It represents the heat of
formation
solution
combustion
fusion
Answer: Option
Explanation:
No answer description is available. Let's discuss.

15.
A sample of well water contains 140 gm/m3 Ca2+ ions and 345 gm/m3 Na+ ions. The hardness of the sample of water, expressed in terms of equivalent CaCO3 in gm/m3 is (assuming atomic masses of Ca :40, Na : 23, C : 12, O : 16)
350
485
140
345
Answer: Option
Explanation:
No answer description is available. Let's discuss.