How many moles of boron make up 1.20 * 1024 atoms of boron?

Sadie knows that the school record for the 100-meter dash is 18 seconds. During last weekend's race, the track coach time team members with a stopwatch. He told Sadie that he thinks at least one student broke the record.

How many earth's can fit in 100 sun's?

Water's molar mass is 18.01 g/mol. The molar mass of methanol is 32.01 g/mol. At room temperature, water is 64% more viscous than methanol. Which substance has the stronger intermolecular attraction?

Solute and solvent how are they alike?

How many rundlets are there in 218 in3? Some conversion factors that may be useful are given below: 1.00 barrel = 42.0 gal 1.00 gal = 231 in3 1.00 gal = 3.78 L 1.00 rundlet = 6.81 * 104 mL 1.00 L = 1000.0 mL 1.00 barrel = 4.00 firkins

What is the total number of oh groups in a molecule of glycerol?

What are two ways to make a saturated solution of NH3 in 100. g H20 at 60°C become unsaturated?

What amount of heat energy is needed to raise the temperature of one pound of water by one degree F?

What do all of the flexible objects have in common

If you convert 4.5 grams of water to moles you would have