What would cause the percent yield of reaction to be less than 100%

What is the ratio of the concentration of sodium acetate to the concentration of acetic acid at ph 5.75?

a chemical bond is considered polar when the value of the electronegativity difference falls between__and__; nonpolar when the value is less than__.

Any object that travels around another object in space is a (n) -

My sister is a peach" is a metaphor. TrueFalse

A sample of gas confined in a cylinder with a movable piston is kept at constant pressure. The volume of the gas doubles when the temperature of the gas is changed from (1) 400. K to 200. K (3) 400.°C to 200.°C (2) 200. K to 400. K (4) 200.°C to 400.

The specific heat of aluminum is 0.125 cal/g °C. If 12.5 grams of aluminum were heated from 20.0 °C to 100.0 °C, calories of heat energy would be absorbed by the aluminum.

What type of radioactive decay results in uranium-238 becoming thorium-234?

What is the differnce between a stimlus and a response

A stack of books are sitting on the table. Which force is pulling it down? A. Buoyant force B. Pressure force C. Gravitational force

Can some one explain what solubility means? I really do not get it and we have a sub for the next week