How many moles of boron
(B, 10.81 g/mol) are in 37.8
grams of boron?
[?] moles

Which of the following pressures is equal to 760 mm hg? 2.0 atm 101.3 pa 101,300 kpa 101,300 pa

Naoki's bicycle has a mass of 10 kg. if naoki sits on her bicycle and starts pedaling with a force of 168 n, causing an acceleration of 2.8 m/s2, what is naoki's mass?

Chlorophyll a had the molecular formula c55h72mgn4o5 how many atoms are in this molecule