Answer asap 1. which mixture can be classified as a homogeneous mixture? sand soil salad dressing tap water 2. which can be determined using a chemical formula? the boiling point of a compound the elements that make up the compound the substances that make up a solution the ph of a solution 3. which method can be used for separating a mixture of sand and salt? distillation evaporation filtration magnetism

How would the number of moles (n) of o2 change if the atmospheric pressure doubled but all other variables stayed the same

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.

Although respiratory organs vary across different organisms, they all contain respiratory surfaces that have a large surface area and are extremely thin. explain why having an extremely thin respiratory surface with a large surface area is advantageous for the process of gas exchange