The atomic mass of Bromine is 79.9 amu and each atom has 35 protons How many neutrons does one atom of Bromine have?

The following transition occurs at a molecular level for a substance. what transition corresponds to this change in microscopic structure? the carbon dioxide molecules on the left are in a regular, tightly packed pattern. after heating, it becomes much lower density. a. melting b. boiling c. sublimation d. freezing

Explain what happened when the storm surges from hurricanes reached the gulf coast

If 3.50 g of the unknown compound contained 0.117 mol of c and 0.233 mol of h, how many moles of oxygen, o, were in the sample? express your answer to three significant figures and include the appropriate units.