Hypothesis 2 (Particle size) : If you

the particle size of a reactant, then the reaction rate

will increase because of the reactant's surface area is exposed allowing more particles to make

contact with each other

Explain the four quantum numbers

What part of an atom is involved in a chemical reaction? A. proton B. neutron C. nucleus D. electron

Which property explains why water is able to travel against gravity, from the roots of a plant to the leaves at the top of the plant? (Don't say cohesion or adhesion)

What is the difference between a grassland and the rain forest

What uses does C-14 have?

What is most believed by most scientists about the age of our solar system.

The water level in a graduated cylinder stands at 20.0 ml before and at 26.2 ml after a 16.74 g metal sample is lowered into the cylinder. what is the density of the sample. what metal is the sample most likely to be

An electrolyte is a substance that will conduct electricity when dissolved in water. a substance that conducts electricity well is a strong electrolyte. a substance that conducts electricity poorly is a weak electrolyte.

Energy is required to produce a chemical change during (1) chromatography (2) electrolysis (3) boiling (4) melting

What is the definition of colorie