Which of the following statements is/are CORRECT?
1) A joule is defined as the energy required to change 1.00 g of water from 14.5$^{\circ}$C to 15.5$^{\circ}$C.
2) One calorie (c)equals 4.184 J,where the joule (J) is the SI unit of energy.
3) A calorie (c)is equal to 1000 dietary calories (C).
A) 1 only
B) 2 only
C) 3 only
D) 1 and 2
E) 1,2,and 3

Question

Quizplus · Accepted Answer

Statement 1 is incorrect because a joule is defined as the energy required to apply a force of one newton for a distance of one meter. 
Statement 2 is correct as it defines the conversion factor between calorie and joule. 
Statement 3 is incorrect because a calorie (c) is equal to 1/1000 dietary calories (C). Therefore, 1000 calories (c) are equal to 1 dietary calorie (C).

Which of the Following Statements Is/are CORRECT? 1) a Joule ∘^{\circ}∘

Which of the Following Statements Is/are CORRECT?
1) a Joule $^{\circ}$