A gas has a volume of 2L at STP. How many moles of the gas are present?

A chemist boils off the water from 627 mL of a solution with a pH of 10.2. The only dissolved compound in the solution is NaOH. How much solid remains

A decomposition occurs when you open a can or bottle of soda. Carbonic acid. H. CO, is in carbonated beverages. It decomposes into carbon dioxide and water.

A weather balloon contains 8.80 moles of helium at a ppressure of 0.992 atm and a temperature os 25 C at ground level. What is the volume of the balloon under these conditions?

The small molecule ethylene, c2h4, is used by plants to quicken the ripening of certain fruits and vegetables. How many electrons are involved in the interaction between the two carbon atoms of ethylene? State your answer as a number.

The endocrine system is made of which components?

Based on this information which alternative energy source should the community consider investing in

A sample of gas occupies 2.30 L at 1.086 atm and 70°C. What is its volume at STP?

How does water temperature influence the ability for oxygen & carbon dioxide to dissolve in it?

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At STP fluorine is a gas and iodine is a solid. This observation can be explained by the fact that fluorine has