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
C to 23.00
C. (Specific Heat Capacity of Water = 4.184 J/g K)
(C) 4.812 x 10
(E) None of the above
QUESTION 2. If 30.0 g of a metal at 100.
C is placed into 120. g of water initially at 18.0
C, and the final temperature of the water is 24.0
C, 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 10
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?
QUESTION 4. Which of the following is a compound?
(D) Hydrogen peroxide
(E) Both (C) and (D)
QUESTION 5. What unit is used for energy?
(A) J/g K
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