The power has gone out and you find a flashlight that uses batteries. When you turn on the flashlight, you are transforming:

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

What is the empirical formula of a compound that is 50.7% antimony and 49.3% selenium ?

Determine type of reaction & predict the product c3h12+o2 =