An object with a mass of 10.0 kg is moving at a speed of 5.00m/s. The kinetic energy of the mass is a. 50.0j
b. 2.00j
c. 125j
d. 250j

How can you use chemical equations to predict the products of the reaction you can carry out?

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

Assuming complete dissociation of the solute, how many grams of kno3 must be added to 275 ml of water to produce a solution that freezes at -14.5 c? the freezing point for pure water is 0.0 c and k_f is equal to 1.86 c/m