When a mixture of water, sand, and salt is filtered, what passes throughthe filter paper? (1) water, only (2) water and sand, only (3) water and salt, only (4) water, sand, and salt

How many grams of oxygen are required to react with 2.7 g of dihydrogen sulfide

Were do mummies live

If i start with 46 ml of 1.25 m hcl and dilute it to a volume of 250 ml, what is the concentration of my final solution

How many atoms are in 2.50 moles of co2? a. 4.52 x 1024 atoms b. 1.52 x 1024 atoms c. 5.02 x 1023 atoms d. 3.01 x 1024 atoms e. 7.53 x 1023 atoms?

If the pressure of the gas in a 2.31 L balloon is 0.12 ATM and the volume increases to 7.14 L what will be the final pressure of the air within the balloon? Assume the temperature remains constant

Smoke fiilling up a room is diffusion or not

What is the independent and dependent variable for a dry ice experiment

a substance that undergoes a physical change like melting is still the same substance is it true or false

What is a polar molecule

A mixture of He He, N 2 N2, and Ar Ar has a pressure of 22.1 22.1 atm at 28.0 28.0 °C. If the partial pressure of He He is 2475 2475 torr and that of Ar Ar is 1049 1049 mm Hg, what is the partial pressure of N 2 N2?