Assume f (x) = -2x+8 and g (x) = 5x. What is the value of (f-g) (2) ?

A student added some sugar to a glass of water, but it did not dissolve quickly. What could the student do to increase the rate at which the sugar dissolves in the water?

If you have 8.56 g of H2, how many grams of NH3 can be produced?

How many grams of lithium nitrate will be needed to make 250.0 grams of lithium sulfate?

How many ml of a 2.0 m nabr solution are needed to make 200.0 ml of 0.50 m nabr?

What is air made up of

How did the experiement with the iron filings and sulfur compare with the experiment in which copper sulfate pentahydrate was heated? Both resulted in gas formation. Both resulted in color change. Both involved chemical change.

Sodium chloride was dissolved in water to produce a 1.5M solution. Explain what this concentration tells us about the NaCl solution. How might a chemist use this ratio?

A gas is contained in a 5.0-liter container at a pressure of 100 kPa. What size container would be required to contain the gas at a pressure of 50 kPa, assuming the temperature remains constant?

Select the correct answer. What is the chemical name of the covalent compound p4S3 A. tetraphosphate trisulfide B. triphosphate tetrasulfide tetraphosphorus trisulfide D. quadriphosphide trisulfur E. quadriphosphorus trisulfide Reset

A student doing this experiment obtained the data shown in the table above. The value of the constant, k, for this data is