A balloon contains 6.0 moles of helium. A hole lets 4.0 moles of helium escape the balloon. How many atoms of helium remain in the balloon?

A. 2.0 atoms

B. 1.2 x10^24 atoms

C. 6.02 x 10^24 atoms

D. 6.0 Atoms

The reaction of hydrazine (n2h4) with chlorine trifluoride (clf3) has been used in experimental rocket motors.

Why do electrons occupy equal energy orbitals singly before beginning to pair up?

What happens to thermal energy from the sun as a result of the greenhouse effect?

Which is a substance fruit salad granola cereal spaghetti or table salt

You apply 100.0 of force to a machine. The machine applies 20.0 N of force to the load. What is the mechanical advantage of the machine.

Is a gas that is produced by the ultraviolet radiation in the air in the vicinity of welding operations?

How much MnO2 (s) should be added to excess HCl (aq) to obtain 295 mL of Cl2 (g) at 25 °C and 735 Torr?

Why do people describe water as a universal solvent

What is litmus paper used for? To indicate if all the reactants have been used up to determine if a chemical reaction has occurred to determine pH to detect the presence of water

You open your lemonade stand with 100 lemons, 5 bags of sugar containing 6 cups each, and 10 gallons of water (16 cups per gallon). Which statement is NOT true about the production of lemonade in your stand?