What is the definition of valence number?

Which group of elements is characterized as having little to no reactivity? Halogens Transition Metals Noble gases Alkali Metals

Mole concept One can of Welch's grape soda contains 0.283 moles of fructose (C6H1206). How many grams of fructose are in one can of this soda?

Which of the following statements is FALSE? A. For a given gas, the higher the temperature, the faster it will effuse. B. Particles of different masses have different average speeds at a given temperature. C.

1.6A A landowner wants to spray herbicide on a field that has an area of 2050 m². The herbicide comes in bottles that hold 16 fluid ounces (fl oz), and 1.5 fl oz mixed with 1 gal of water will treat 300 ft?.

Which choice shows the correct way to balance the following equation? H + O - > H2O

Draw the curved arrow mechanism for the conversion of aniline into benzenediazonium ion, and draw the final product that forms after the benzenediazonium ion is treated with

Sodium chloride is stirred into water to form a solution. in this case, what are sodium chloride and the water?

What can form as a result of a chemical reaction?

A solution of orange juice that weighs 500 g contains liquid juice and solid pulp. All of the pulp is removed from the juice. The pulp is found to weigh 50 g. How much would the remaining liquid juice weigh? A. 50 g B. 250 g C. 450 g D. 500 g

Assume 3 molecules of Fe react according to the following equation. 3Fe + 4H2O Fe3O4 + 4H2 How many molecules of H2 are produced? How many water molecules are required? What is the mole ratio of Fe to H2O?