What happens in a reduction half-reaction?

elements gain electrons

elements lose electrons

oxygen is added

oxygen is lost

Given 13.5 grams of substance Z, if the substance absorbs 36 kilojoules of energy and the temperature increases by 25 degrees Celsius, what is the specific heat of the substance? 1.07 x 102 J/g·°C 1.22 x 104 J/g·°C 1.07 x 10-1 J/g·°C 1.

What is meant by "elastic collisions"? heat given off by constant collisions, compression of the gas, resultant force of all combined collisions, or collision and rebound without loss of energy

What is the conjugate acid in the following equation: NO2 - + H2O / longrightarrow ⟶ HNO2 + OH-

What energy transformation occurs when a skydiver first jumps from a plane?

Which statement is true about a star with a greater shift in its spectrum than another star? A. It is moving slower. B. It is moving faster. C. It is not moving at all. D. It is exploding into a supernova.

Using density what is the mass in grams of 150mL of a liquid with a density of 1.4 g/mL

All of the following can be recycled except clothing aluminum cans compact fluorescent bulbs plastic drink bottles

Use Henry's law and the solubilities given below to calculate the total volume of nitrogen and oxygen gas that should bubble out of 1.0 L of water upon warming from 25 ∘C to 50 ∘C.

Washing soda, a compound used to prepare hard water for washing laundry, is a hydrate, which means that a certain number of water molecules are included in the solid structure.

When you light a fire place what energy transformation takes place