What type of reaction is the rusting of iron?

(a) single composition

(b) simple decomposition

(c) single replacement

(d) double replacement

Which two elements make up more than 90 of the dry weight of plants?

Hen an electric current passes through liquid water, hydrogen gas passes accumulates at one electrode and oxygen accumulates at the other. Which of the following is true? A) A physical change has occurred, with energy is being absorbed.

Gasoline has a density of 0.749 g/mL. There are 454 grams in a pound and 3.7854 litres in a gallon. How many pounds does 19.2 gallons of gasoline weigh? Do not enter "pounds" as part of your answer.

What are the first twenty elements on the periodic table

Which of the following statements are TRUE of buffer solutions? 1. A buffer solution can be made by mixing equal concentrations of acetic acid and sodium acetate. 2.

Which elements are designated as the alkaline- earth metals? How do their characteristic properties compare with those of the alkali metals?

Can You compost salad

What type of bond is formed when electrons are transferred from one atom to another

Nitrogen's lone pair electrons occupy what type of orbital in pyridine?

For an aqueous solution of sodium chloride (NaCl), determine the molarity of 4.15 L of a solution that contains 173 g of sodium chloride. Determine the volume of this solution that would contain 3.93 moles of sodium chloride.