subject
Chemistry, 17.10.2019 17:30 frank2010

Which of the following statements about the mole is false?
a. one mole of atoms makes up an amount of atoms that can be seen with the naked eye.
b. one mole of a monatomic element has a mass equal to its atomic mass expressed in grams.
c. a mole of a monatomic element corresponds to one avogadro's number of atoms.
d. one mole of water contains 1/2 mole of oxygen atoms.
e. none of the above

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 21.06.2019 13:00
When light strikes a plane mirror, images form in locations where light does not actually reach. it only appears to the observer as though the light were coming from this position. what type of image is formed?
Answers: 2
question
Chemistry, 21.06.2019 13:10
Cobalt-60 is an artificial radioisotope that is produced in a nuclear reactor and is used as a gamma-ray source in the treatment of certain types of cancer. if the wavelength of the gamma radiation from a cobalt-60 source is 1.00 Γ— 10-3 nm, calculate the energy of a photon of this radiation.
Answers: 2
question
Chemistry, 22.06.2019 01:00
The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?
Answers: 3
question
Chemistry, 22.06.2019 02:10
When 225mg of anthracene, c14h10(s), was burned in a bomb calorimeter the temperature rose by 1.75k. calculate the calorimeter constant. by how much will the temperature rise when 125mg of phenol, c6h5oh(s), is burned in the calorimeter under the same conditions? (Ξ΄ch< (c14h10,s)=–7061 kj molβˆ’1.)
Answers: 3
You know the right answer?
Which of the following statements about the mole is false?
a. one mole of atoms makes up an...
Questions
question
Mathematics, 09.12.2019 20:31
question
Mathematics, 09.12.2019 20:31