Calculate the molarity of a solution prepared by the addition of 2.59 g of NaNO3 into 250 ml of solution. M
**Round your answer to three significant digits, and use leading zeros (0.5, not 5)

How much heat is added if 0.814g of water increase in temperature by 0.351 degree c?

Liquid from a brewery fermentation contains 10% ethanol and 90% water. part of the fermentation product (50,000 kg/h) is pumped to a distillation column on the factory site. under current operating conditions, a distillate of 45% ethanol and 55% water is produced from the top of the column at a rate of one-tenth that of the feed. what is the composition of the waste "bottoms" from the still?

Polar bears give birth and hunt on sea ice. which of the following would polar bears survive during the melting of arctic ice? growing another layer of fur during summer migrate inland to search for different food sources staying put until the ice refreezes sticking to the usual diet of seals