REGULAR QUIZZES - REGULAR TOPIC 2 Matter & Energy SET C • REGULAR Quizzes - REGULAR TOPIC 2 Matter & Energy SET C.

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QUESTION 1. Calculate the amount of energy in kJ, required to raise the temperature of 23.00 g of water from 18.00 oC to 23.00 oC. (Specific Heat Capacity of Water = 4.184 J/g K)

(A) 0.4812
(B) 481.2
(C) 4.812 x 105
(D) 48.12
(E) None of the above

QUESTION 2. If 30.0 g of a metal at 100. oC is placed into 120. g of water initially at 18.0 oC, and the final temperature of the water is 24.0 oC, what is the specific heat capacity of the metal? (Specific Heat Capacity of Water = 4.184 J/g K, assume no heat loss to surroundings)

(A) 132 J/g K
(B) 1.32 kJ/g K
(C) 1.32 x 103 J/ g K
(D) 1.32 J
(E) 1.32 J/g K

QUESTION 3. How many elements appear in this list; copper, hydrogen, water, silicon, silver, gold, wood?

(A) 0
(B) 1
(C) 2
(D) 3
(E) 5

QUESTION 4. Which of the following is a compound?

(A) Hydrogen
(B) Oxygen
(C) Water
(D) Hydrogen peroxide
(E) Both (C) and (D)

QUESTION 5. What unit is used for energy?

(A) J/g K
(B) Kelvin
(C) Joules
(D) Grams
(E) kJ/g oC

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