What were the 3 common states of matter on Earth?

A sample of gas occupies 6 ml at stp. at what pressure would this sample occupy 500 ml if the temperature is changed to 525◦c? answer in units of torr.

A circuit contains four 20 uh inductors connected in series what us the total inductance of this circuit

How many atoms are in 5.7 moles of copper atoms?

Which of the following is not an example of a polymer? Select one: a. Polystyrene b. Nylon c. Sucrose d. PVC

the half-life of plutonium-239 is 24,110 years. How much of an original mass of 100.0 grams remains after 96,440 years?

Write the Chemical formula for the conjugate base of the following Bronsted-Lowry acids. A) H2SO4 B) HPO4^2-

The heat from the bonfire is transferred to the student's hands through the process of

How many atoms are present in 0.0845 moles of tungsten (W) ?

Indicate which reactions are redox reactions. check all that apply. check all that apply. 2na (s) + cl2 (g) →2nacl (s) cd (s) + pb2 + (aq) →cd2 + (aq) + pb (s) pb (no3) 2 (aq) + 2licl (aq) →pbcl2 (s) + 2lino3 (aq) c (s) + o2 (g) →co2 (g)

If the mass of a material is 119 grams and the volume of the material is 20 cm3, what would the density of the material be?