How many atoms of hydrogen are represented in 2 (NH4) 2504?

A. 4

B. 8

C. 16

D. 32

A hydrogen atom is removed from the first carbon atom of a butane molecule and is replaced by a hydroxyl group. draw the new molecule formed.

1.5 L of gas held under 1.0 atm, has the pressure increased to 303.9kPa, what is the new volume of the gas, if the temperature is held constant.

How is a shadow created during a lunar or solar eclipse?

A car is traveling down the highway and is pulled over by the police officer, predict what changes must be made to the graph to reflect this situation

Group 7a of the periodic table contains the a. most reactive nonmetals. b. most reactive metals. c. least reactive nonmetals. d. least reactive metals.

What important natural resource do plastics come from? A. trees B. rocks C. minerals D. petroleum

What is a neutral atoms oxidation number

Suppose 30 grams of NaCl are placed in 900 mL of water. What is the molarity of this solution?

After a particularly cold day outside you go home to make some tea. you heat the water in the mug so that botch are about 75 degrees celcious. the tea bag is only 30 degrees celcious and the room is around 26 degrees celcious.

For main-group elements using the older numbering system the group number on the periodic table corresponds to which characteristic of the elements of that group