A small block has a volume of 15 mL and a mass of 30g. What is its density?

Determine the solubility of co2 in soda water at 25°c if the pressure of co2 is 5.6 atm. the henry's law constant for carbon dioxide in water at this temperature is 3.4 * 10-2 m/atm.

How is the ionization energy, E, related to a period of elements?

a sample of 3.00 g of so2 (g) originally in a 5.00 L vesselat 21 degee Celsius is transferred to a 10.0 L vessel at 26 degree Celsius a sample of 2.35g of N2 g originally in a 25.0 L vessel at 20 degree Celsius is transferred to same 10.

A weather balloon contains 1.10X10 to the power of 5 mol of helium and has a volume of 2.70x10 to the power of 6 L at 1.00 atm pressure. Calculate the temperature of the helium

For the next five years, a dairy company wants to increase its daily milk processing capacity (in gallons) by the equation y = x6 - 9x4 + 70x2, where x is the number of years.

Which average wind speed do areas need to effectively power wind farms? A:1 mph B:5 mph C:10 mph D:16 mph

What is the total number of moles represented by 20 grams of CACO3 A. 0.1 B. 0.2 C. 1 D. 2

Which describes the polarity in a water molecule? a). partial negative charge on the oxygen atom because its electrons are pulled toward the hydrogen atoms b).

To what temperature in kelvin will a 2.3 L balloon have to be heated to expand to a volume of 400 L Assume the initial temperature of the balloon is 25 degrees celsius.

In which changes of state do atoms lose energy?