Multiple Choice
If 1.4% of the mass of a human body is calcium,how many kilograms of calcium are there in a 185-pound man?
A) 1.2 kg Ca
B) 5.7 kg Ca
C) 1.2 × 102 kg Ca
D) 5.7 × 102 kg
Correct Answer:
Verified
Correct Answer:
Verified
Q13: 38.325 lbs = _ grams. (1 lb
Q82: Determine the number of cm<sup>3</sup> in 21.0
Q84: During a winter blizzard the temperature was
Q85: How many significant figures are in the
Q86: A chemical change always involves a change
Q88: The composition refers to the components of
Q89: The scientific method involves:<br>I.observations<br>II.generalizations<br>III.experiments<br>IV.deduction<br>V.induction<br>A)I,III,IV<br>B)I,II,III<br>C)I,II,III,IV<br>D)I,II,III,V<br>E)I,III,V<br>
Q90: An acetylene molecule contains 2 atoms of
Q91: Crude oil is an example of:<br>A)a compound<br>B)an
Q92: The content of a container filled with