An iron-containing compound is 20.1% Fe, 11.5% S, 63.3% O, and 5.1% H. What is the empirical formula for this compound?

What must pyruvic acid be converted to before it can enter the citric acid cycle? a. acetyl CoA b. lactic acid c. ethyl alcohol d. NADH

Which statement describes the potential energy diagram of an exothermic reaction?

In an experiment, Lydia added 50 grams of sugar to 200 milliliters of water. She stirred the mixture, and the sugar eventually dissolved into the water and couldn't be seen.

Convert 0.023 kg to centigran

Which of these is a chemical property of a substance? texture ductility reactivity conductivity

Which statement explains the cleaning action of soap on greasy dishes? Which statement explains the cleaning action of soap on greasy dishes? The soap hydrates the grease with its polar head groups and holds it in suspension.

No. Of particles in H2SO4 in which 8grams oxygen is present?

Michael mixes two chemicals together in a beaker. The chemicals change color, and the beaker heats up quickly. What kind of change most likely occurred? A chemical change occurred. Only a physical change occurred. A mixture formed.

What is the Molar mass of Na3P

For each of the following sets of elements, circle the element expected to be most electronegative and draw a box which is expected to be least electronegative. K, Sc, Ca