If you have an element with 46 protons and 44 electrons, the net charge of the element is a. 0 b. +2 c. -2 d. not enough information

Think about how you can use le chatelier’s principle to find possible solutions to the design problem. describe at least two ways to increase the yield (amount) of ammonia based on this principle.

This classification of drug typically changes the brain's chemistry and reduces its ability to create its own endorphins.

Aroom with dimensions 7.00m×8.00m×2.50m is to be filled with pure oxygen at 22.0∘c and 1.00 atm. the molar mass of oxygen is 32.0 g/mol. how many moles noxygen of oxygen are required to fill the room? what is the mass moxygen of this oxygen?