12. Identify the following as a chemical or physical change: Chemical
a. Burning paper
b. Forming new compounds
C. Baking a cake
d. Acid rain reacting with rocks
e. Change in size
f. Change in color Chemical
8. Slicing bread
h. Change in size but not the substance
1. Producing heat
Water rushing over rocks
k. Tearing paper

In all living cells dna controls cellular activities by

Why does asexual reproduction result in offspring with identicle genetic variation

Gusing the milligrams of ascorbic acid you entered above, the ratio of total sample volume to aliquot volume, and the total milligrams of the vitamin c tablet that you dissolved, calculate the mass of ascorbic acid in the vitamin c tablet for each trial. do this by scaling up to find the amount (mg) of ascorbic acid in your 250 ml flask. enter your calculated mass of ascorbic acid in the vitamin c tablet, for each trial. be sure to enter your calculated mass in the corresponding order that you entered your milligrams of ascorbic acid. the milligrams of ascorbic acid you entered for entry #1 previously should correspond to the mass of ascorbic acid that you enter for entry #1 here.