A blacksmith heated an iron bar to 1445 °C. The blacksmith then tempered the metal by
dropping it into 42 800 cm of water that had a temperature of 22 °C. The final temperature of
the system was 45 °C. What was the mass of the bar?

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

Which element is least likely to undergo a chemical reaction

Which statement characterizes synthetic polymers? a. they come from animals and plants. b. they are found in nature. c. they are made in a lab. d. they are components of starch.