What can affect the properties of a substance?

a. the arrangment and types of atoms

b. only the arrange ments of atoms

c. only the types of atoms

d. none of the above

What does the 'heat death' of the universe have to do with quality of energy?

If you have a big difference in temperatures, but it's raining rather than snowing, what conditions must exist?

Which component of air is the primary problem in a condition known as "the bends"? a. He b. CO c. O2 d. N2 e. CO2

Which of these best describes why a metal has the specific physical property of malleability? A) The metal atoms are loosely packed together. B) The positive cations are attracted to the negative anions.

A 1.00x10^2-g aluminum block at 100.0 degrees celsius is placed in 1.00x10^2g of water at 10.0 degrees celsius. the final temperature of the mixture is 26.0 degrees celsius. what is the specific heat of the aluminum

How many moles of neon (Ne, 20.179 g/mol) are in 68.4 grams of neon

A 50.00 mL sample of groundwater is titrated with 0.0300 M EDTA. Of 12.40 mL of EDTA is required to titrate the 50.00 mL sample, what is the hardness of the groundwater in molarity and in parts per million of CaCO 3 by mass

Why openness is important to the progress of science?

At a certain temperature the rate of this reaction is second order in NH4OH with a rate constant of 34.1 M^-1s^-1: Suppose a vessel contains NH4OH at a concentration of 0.100M.

If you go into the lab and dissolve 2.11 g of magnesium chloride in enough water to make 1500 ml of solution, what is the molarity of the resulting solution?