How do water molecules dissolve a salt?

Explain how a balanced chemical equation is related to the law of conservation of mass.

How many hours are between each high tide and low tide?

How do you do d the power of magnification on a microscope

The surface of what he can act like a sort of skin due to a Liquid called

A scientist discovers a new substance. The molecules of the substance form hydrogen bonds with each other. When the molecules lose a lot of energy, the hydrogen bonds hold them out relatively far apart.

Describe the difference between a qualitative description and a quantitative description, and include an example of each.

Which of the following statements is true? Question 1 options: Nonmetals gain electrons to become cations. Metals gain electrons to become cations. Nonmetals lose electrons to become cations. Metals lose electrons to become cations. Save

What is the empirical formula of a compound that contains 40 percent carbon, 6.7 percent hydrogen, and 53.3 percent oxygen?

Molecular formula: C19H16 Double bond equivalence i. Calculate the number of double bond equivalents in the molecule from the molecular formula. (1 mark) ii. What does this indicate about the molecule? (1 mark)

A balloon that had a volume of 3.50 L at 25.0°C is placed in a hot room at 40.0°C. If the pressure remains constant at 1.00 atm, what is the new volume of the balloon in the hot room?