The molar mass of iron (Fe) is 55.8 g/mol. what is the mass in grams of 2.25 moles of iron?

What mass of sugar would be in 200.0g of a 15% solution of sugar

What is a chemical bond? a. the force that holds together the elements in a compound b. a substance that's composed of atoms c. a representation of chemical properties d. the attraction of two atoms that holds the atoms together?

A cell has a standard emf of + 0.135 v at 298 k. part a what is the value of the equilibrium constant for the cell reaction if n=1?

Gravity is matter because it does not have mass and volume.

Which of the reactions below are catalyzed? Check all that apply. Benzene reacts with chlorine in the presence of aluminum chloride. The products are chlorobenzene and aluminum chloride.

Which statement is true for a pure compound but NOT true for a pure element?

Which one is uncelluar and which is multicelluar? crab or pond organism

An atom of lithium loses an electron. What is the effect of this event? Group of answer choices The atom of a different element is formed. The atom of lithium acquires no charge. The atom of lithium becomes a positively charged ion.

Water interacts with polar substances like - OH groups but not with non-polar substances like methyl (-CH3) or ethyl groups (-CH2). Using this information, select the molecules that will easily dissolve in water based on polarity not on size.

Which of the following statements is not considered weather? The wind is blowing 20 miles per hour right now in Kansas. It is raining in Seattle. It is usually humid in Florida. It is snowing in Colorado.