Compare and contrast the retina's two photoreceptor cells

Iron (fe) has 26 protons and 30 neutrons which of the following is most likely atomic weight of iron A) 26.84 B) 30.84 C) 55.84

As the number of effective collisions between reacting particles increases, the rate if a chemical reaction: A - increases B - decrease C - remains the same

This solubility curve of compound X is missing the x axis label. What is the most likely label of the x axis? A) pressure B) temperature C) time Eliminate D) volume

What is the empirical formula for a compound which contains 0.0134 g of iron, 0.00769 g of sulfur and 0.0115 g of oxygen

Which of the following statements are True about the experimental process used in the Diels Alder reaction? 1. An excess of Maleic Anhydride is used in this reaction. 2. The I. R.'s of the products are indistinguishable. 3.

Sugar Alcohols In the monosaccharide derivatives known as sugar alcohols, the carbonyl oxygen is reduced to a hydroxyl group. For example, D-glyceraldehyde can be reduced to glycerol. However, this sugar alcohol is no longer designated D or L. Why?

How do elements form?

Which best describes how equations are used in science? A) an equation is a type of graph B) an equation is a type of theory C) equations use symbols to represent data D) equations show the locations of distant objects

What is the ground state shorthand notation for iron (Fe) ?

Which equivalence factor should you use to convert from 38.2 grams of K to moles of K? a (38.2 g K/39.10 g K) b (38.2 g K/1 mol K) c (1 mol K/38.2 g K) d (1 mol K/39.10 g K)