How to determine if a chemical equation is balancede or unbalanced?

How did Diocletian try to improve Rome's economy

A candle is 10 cm high and 2 cm in diameter physical or chemical property

A balloon filled with helium gas at 1.00 atm occupies 12.9 L. What volume would the balloon occupy in the upper atmosphere, at a pressure of 0.19 atm and a constant temperature? Enter your answer in the box provided.

Explain how a ship made of materials that are much denser than water is able to float on water?

Draw a structure showing how a G hydrogen bonds with a C.

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