A. How many moles of copper equal 8.00 × 109 copper atoms?
b. How many moles of calcium equal 102.5 g calcium?
c. How many atoms of lead are present in 5.04 g lead?
d. How many aluminum atoms are present in 2.85 moles of aluminum?
e. What is the mass in grams of 1.08 × 103 moles of fluorine gas?
f. How many molecules of benzene (C6H6) are present in 0.584 g of benzene?
g. What is the mass of 5.09 × 109 atoms of hydrogen gas?
h. How many calcium atoms are present in 0.45 mol Ca3PO4?
Answers: 2
Chemistry, 22.06.2019 08:30
In the millikan oil drop experiment they determined that every drop had a charge which was a while number multiple of -1.60x10^-19. if a drop has a total charge of -9.60x10^-19 then how many excess electrons are contained within the drop?
Answers: 2
Chemistry, 22.06.2019 20:30
Draw a line graph showing the relationship between temperature in kelvin as a function of kinetic energy.
Answers: 3
Chemistry, 23.06.2019 02:00
Now look at the segment of the graph between the two data points marked with black squares. describe how the boiling point and melting point plots behave between these points. be as specific as possible.
Answers: 1
Chemistry, 23.06.2019 08:00
Amechanical wave that transports a lot of energy will have a
Answers: 2
A. How many moles of copper equal 8.00 × 109 copper atoms?
b. How many moles of calcium equal 102.5...
History, 09.12.2019 07:31
Mathematics, 09.12.2019 07:31
Mathematics, 09.12.2019 07:31
Chemistry, 09.12.2019 07:31
Computers and Technology, 09.12.2019 07:31
English, 09.12.2019 07:31
Mathematics, 09.12.2019 07:31
Biology, 09.12.2019 07:31
Mathematics, 09.12.2019 07:31