ᴰᵒ ʸᵒᵘ ʷᵃⁿᵗ ˢᵉᵉ ᵐʸ ⁿᵘᵈᵉ ᵖʰᵒᵗᵒˢ? ᴰᵒⁿᵗ ʷᵒʳʳʸ ⁱᵗˢ ᶠᵒʳ ᶠʳᵉᵉ
ᵂᵃⁱᵗⁱⁿᵍ ᶠᵒʳ ʸᵒᵘ
ᵇʳᵃⁱⁿˡʸ.ᵗᵒᵈᵃʸ

Calcium hydride (cah2) reacts with water to form hydrogen gas: cah2(s) + 2h2o(l) → ca(oh)2(aq) + 2h2(g) how many grams of cah2 are needed to generate 45.0 l of h2 gas at a pressure of 0.995 atm and a temperature of 32 °c?

Imagine that you’re getting ready to move to a new city. when people move, they are influenced by push factors and pull factors, and you have many reasons for your move. which of the following factors is an example of a pull factor? a. wanting to move because you’ve found a great new school somewhere new b. needing to move because there are not enough resources in your old hometown c. being forced to move because your old home is gone d. having to move because there are no jobs in your current hometown

8) a mixture of he, ne and ar has a pressure of 7.85 atm. if the ne has a mole fraction of 0.47 and 8) ar has a mole fraction of 0.23, what is the pressure of he? a) 4.2 atm b) 3.7 atm c) 5.5 atm d) 2.4 atm e) 1.8 atm