Convert 2.79×1022 helium atoms to grams Express your answer using three significant figures.

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

How many moles of carbon dioxide will form if 2.5 moles of c3h8 is burned

Which of these conditions most likely produces an unstable isotope?