CHEM 1030 FORBES EXAM THREE CERTIFICATION TEST PAPER 2026 FULL ANSWERS GRADED A+

CHEM 1030 FORBES EXAM THREE
CERTIFICATION TEST PAPER 2026 FULL
ANSWERS GRADED A+

⩥ Which compound below would be most soluble in benzene, C6H6?


A. H2O
B. H2C(OH)2
C. PCl3
D. CCl4
E. CH3CH2OH. Answer: D. CCl4


⩥ Which statement about the following chemical reaction is NOT
correct?
3 H2(g)+N2(g)->2 NH3(g)


A. For every two moles of nitrogen consumed, three moles of ammonia
are produced.
B. For every mole of nitrogen consumed, two moles of ammonia are
produced.
C. For every three moles of hydrogen consumed, two moles of ammonia
are produced.

, D. For every two moles of ammonia produced, three moles of hydrogen
are consumed.
E. Three moles of hydrogen will react with one mole of nitrogen to
produce ammonia.. Answer: For every two moles of nitrogen consumed,
three moles of ammonia are produced.


⩥ Fe2O3(s) and powdered aluminum can react with great output of heat
to form molten iron and Al2O3. When this reaction equation is balanced,
what are the stoichiometric coefficients in the following order: Fe2O3,
Al, Fe, Al2O3?


A. 1, 1, 1, 1
B. 2, 2, 2, 2
C. 1, 2, 2, 1
D. 2, 1, 1, 2
E. 1, 1, 2, 2. Answer: C. 1, 2, 2, 1


⩥ What are the stoichiometric coefficients for oxygen and water,
respectively, in the balanced chemical reaction equation representing the
combustion of butane (C4H10)?


A. 13, 10
B. 9, 5
C. 4, 5