Which action characterized Earth's earliest atmosphere (atmosphere I) ? Helium and hydrogen gases escaped earth's gravity.

Increased oxygen allowed reptiles to thrive.

Heat energy was retained and water vapor condensed.

Ultraviolet light split water vapor into hydrogen and oxygen

Calculate the mass of carbon in 97.0 g of sucrose c12h22o11

11) burning your hand when accidentally touching a hot plate is an example of which heat transfer? a. conduction b. convection c. radiation d. none of these

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.