When a chemical reaction involves the production of a gas, the mass of the gas is not included in the mass of the products. True or False

How many seconds are there in 23 days?

Water particles in gas coming off a pan of boiling water are moving faster or slower than the particles of the water in the pan

What is the precipitate for CuSO4+NaOH (Balancing Equations)

Magnesium reacts with hydrochloric acid to produce magnesium chloride and hydrogen gas the reactants in this reaction are

Acetone and water are miscible. Acetone and hexane are also miscible. What is the possible explanation for their miscibilities, considering that water and hexane are immiscible?

Which of the following correctly identifies steps used in the fractional distillation of petroleum? The mixture is cooled, condenses, then heated and boils. The mixture is cooled, boils, then heated and condense.

What is the formula of the most stable oxide of francium?

You just calculated that the heat of fusion for chloromethane is 6400 J/mol. The heat of fusion for hydrogen is 120 J/mol. Which of the following account for this difference? a. Hydrogen has stronger intermolecular forces than chloromethane. b.

Magnesium burns with a very bright light. When the flame goes out, a White powder is left behind. what is the word equation for this reaction.

Identify the types of intermolecular forces found for each of the liquids and relate these to the shape of the drop as seen from the side. Include the terms cohesive and adhesive forces properly in your explanations.