A reaction takes place when 1.6 mol is added to 2.7 mol 02 what is present at the end of the reaction?

Describe the interaction that occurs between two objects with the same electrical charge.

The twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?

20 pts ‼️ an unmanned spacecraft travels to mars. mars has a lower strength of gravity than earth. where in the image is the spacecraft’s weight the greatest?