5. What happens to the mass when you change

the volume?

It decreases

Which evaporates more quickly: 55 ml of water (h2o) in a beaker or 55 ml of acetone [ (ch3) 2co] in an identical beaker under identical conditions? is the vapor pressure of the two substances different? explain?

What are three examples of fields?

Ethanol (C2H5OH) is produced from the fermentation of sucrose in the presence of enzymes. C12H22O11 (aq) + H2O (g) 4 C2H5OH (l) + 4 CO2 (g) Determine the theoretical yield and the percent yields of ethanol if 680.

Which statement describes an extensive property of matter? It changes with the color of a substance. It changes when a new substance is formed. It changes with the amount of sample that is present. It changes with the composition of a substance.

How many oxygen atoms are there in 582 grams of caffeine (CH10N402, 194 g/mol) ? Avogadro's Number: 1 mole = 6.02 x 1023 species A. 2 B. 6 C. 1.81 x 1024 D. 3.61 x 1024 F None of the above

plate a and plate b are both continental plates. what is ghe most likely result if the two plates collide?

According to the second law of thermodynamics, the entropy of any system always increases. According to the second law of thermodynamics, the entropy of any system always increases. True False

If the density of Cu is 8.96g/cm cubed, what is the volume of 28kg of Cu?

A piece of iron can change in different ways. How is iron bending different from iron rusting?

Which organism would least likely be selectively bred A) Dandelions B) Nantes Carrots C) Belgian Blue Cattle D) Hypoallergenic Cats