The definition of mechanical energy

The law of conservation of mass states that in a chemical reaction, mass is neither created nor destroyed. that means, the total mass for the reactants needed to equal the total mass of the products.

Explain the trend in atomic radius as you progress up column 17

Which type of rock is most likely to form because of high heat and pressure?

Given the following equation: 8Fe+S8=8FeS a. If 4.2 moles of sulfur react, what is the mass of FeS produced? b. if 13 moles of Fe react, what is the mass of FeS produced?

To create an isotopeof a certain element, you must vary a number of: A. atoms B. neutrons C. protons D. electrons

Krypton-79 has a half-life of 35 hours. how many half-lives have passed after 105 hours?

How many co2 molecules are generated from each pyruvate molecule that enters the mitochondrial matrix?

Oxygen tanks can explode if the gas tanks is ignited. Why is this?

For the following reaction, identify the element that was oxidized, the element that was reduced, and the reducing agent. Give an explanation for each answer. 2CO + 2NO - > 2CO2 + N2

Which o the following statements about sulfur dioxide is not true? A. It is produced by burning coal. B. It is high in motor vehicle exhaust. C. It is high in industrial areas. D. It causes acid rain.