Compared to a 1.0-mole sample of NaCl (s), a 1.0-mole sample of NaCl (l) has a different number of

(1) ions

(2) empirical formula

(3) gram-formula mass

(4) electrical conductivity

A liquid that occupies a volume of 2.68L has a mass of 2.40 kg. What is the density of the liquid in kg/L?

Which elements have electron configurations that end in ns2np5? A) noble gases B) transition metals C) halogens D) inner transition metals

What is the percent yield of the reaction if you obtained 1.25 g of p-bromoacetanilide from the reaction of 1.00 g of acetanilide with 1.80 g of Na Br and excess NaOCl solution?

Suppose you put 50 ml of water in the can instead of 100 ml and heated it to 40 degrees instead of 20 degrees. in what ways if any would this affect the results of the investigation

Explain why science is is you significant digits

What are the 3 factors that can affect the strain of rock?

16. Why can grinding a solid into a fine powder increase the rate of reaction?

What is one difference between a mixture and a compound?

The Ksp of cobalt (II) hydroxide, Co (OH) 2, is 5.92 * 10-15. Calculate the molar solubility of this compound.

A gas is collected in a 34.3L container at a temperature of 31.5°C. Later, the container has a volume of 29.2L, a temperature of 21.0°C and a pressure of 122.2kPa. What was the original pressure on the container?