Henry's law constant (ku) for Ar in water at 20°C is 1.5 X 10-3 mol/L. atm. How many grams of Ar will dissolve in 2.8L of H2O that is in contact with pure Ar at 1.5 atm? a. 0.246 g b. 7.02 g C. 4.83 g d. 6.64 g e. 0.252 g​

A100-watt light bulb radiates energy at a rate of 100 j/s. (the watt, a unit of power or energy over time, is defined as 1 j/s.) if all of the light emitted has a wavelength of 525 nm , how many photons are emitted per second?

Suppose that a certain fortunate person has a net worth of $71.0 billion ($7.10×1010). if her stock has a good year and gains $3.20 billion (3.20×109) in value, what is her new net worth?

Which statement characterizes synthetic polymers? a. they come from animals and plants. b. they are found in nature. c. they are made in a lab. d. they are components of starch.