An unknown mass of each of the following substances, initially at 23.0 ∘C , absorbs 1940 J of heat. The final temperature is recorded as indicated. Find the mass of each substance. Pyrex glass (final temp:55.4 C)

56.16 gregor mendel was the first scientist to use statistics to analyze scientific data. before mendel's experiments, scientists believed that organisms acquired traits from their environment and passed them on to their offspring. after mendel's discoveries were accepted, scientists realized that traits passed to offspring were the result of genes being passed from parents to offspring. this is an example of pls

Suppose a lab group reports a ppercent yield of sand of 105. is it really possible to collect more sand than was originally represented? what is the possible explanation for the extra product?

How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.