Multiple Choice
Water accounts for approximately two-thirds of the mass of the adult human body.If an adult human has a mass of 145 pounds,how many water molecules are there in the adult human's body?
A) 96.7 molecules
B) 2) 43 × 103 molecules
C) 1) 47 × 1027 molecules
D) 2) 20 × 1027 molecules
Correct Answer:
Verified
Correct Answer:
Verified
Q111: There are three different isotopes of hydrogen
Q153: Write a chemical equation representing the water
Q154: An example of an isotope effect is
Q155: How many grams of zinc metal are
Q156: What are the allotropes of oxygen?<br>A)O and
Q158: How many grams of calcium hydride are
Q159: Which is not an isotope of hydrogen?<br>A)hydrogen-1<br>B)hydrogen-2<br>C)hydrogen-3<br>D)hydrogen-4
Q160: When 0.350 grams of anhydrous copper(II)sulfate is
Q161: Hydrogen has three isotopes, <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4939/.jpg" alt="Hydrogen
Q162: How many liters of O<sub>2</sub> gas at