How long would it take, in minutes, for the amount of argon-44 to decrease from 60.0 mg to 7.50 mg?

Ajet plane is speeding down the runway during takeoff. air resistance is not negligible. identify the forces on the jet.

How many moles of water are created if 3 moles of hydrogen react completely with excess oxygen?

Use the drop-down menus to label each of the following changes p for physical change and c for chemical change. the substance changes to a new substance. the original substance can be recovered. the color changes. gas is produced and given off. the substance changes size, shape, or volume.