Potassium chlorate is heated and decomposed as shown to produce potassium chloride and oxygen gas. The water in the collection flask is 25.0 ºC. The vapor pressure of water is 3.2 kPa at 25.0 ºC.

If the atmospheric pressure is 82.5 kPa, what is the partial pressure of the oxygen gas? kPa

There is one girl i like and i don't know how to tell her that, i have a feeling she knows but if she doesn't i don't want to make a fool out of myself how is one way to boost my confidence on asking her out

The yearly amounts of carbon emissions from cars in belgium are normally distributed with a mean of 13.9 gigagrams per year and a standard deviation of 5.8 gigagrams per year. find the probability that the amount of carbon emissions from cars in belgium for a randomly selected year are between 11.5 gigagrams and 14.0 gigagrams per year. a. 0.340 b. 0.660 c. 0.167 d. 0.397

Which metals are called noble metals