Fossils of tropical plants have been found in coal mines in the North Eastern United States. This type of plant is no longer found in this region of the US. What is the most likely cause of the disappearance of tropical plants in the Northeast?

Complete this brønsted-lowry reaction placing each product by its appropriate label. hso4- + hcn

‘which reaction would most likely require the use of an inert electrode?

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.