Ca3 (pO4) has a molar mass of 310.174 g/mol. Determine the percent composition of phosphorus In Ca3 (PO4) 2 five significant digits

Determine the oxidation state of nitrogen in lino3.

A container holds 20.0 grams of neon gas. Under the same conditions, how many grams of xenon would the container hold?

In that universe, which of the following objects would require quantum mechanics to describe, that is, would show both particle and wave properties? Which objects would act like everyday objects, and be adequately described by classical mechanics?

cells that perform a specific function in an organism A. are all the same B. can survive on their own C. are specialized D. perform all of the functions

4. A compact disc has a diameter of 11.8 cm. What is the surface area of the disc in square centimeters? In square meters? [Area of a circle = (π) (radius) 2 ]

Describe a way that people might be able to solve each envioronmental problem listed below. coal mining can harm habitats and cause pollution.

A sample of methane gas occupies 4.50 gallons at a temperature of 80.0 F. If the pressure is held constant, what will be the volume of the gas at 100. degrees C?

Jack wants to know if it takes longer for warm water to freeze into ice cubes than cold water, so he performed the following experiment. Jack placed 50 mL of water in the refrigerator and allowed it to cool to a temperature of 4°C.

How to calculate average concentration

Suppose that you measure a pen to be 10.5 cm long. Convert this to meters.