How do sandy beaches form? a
Waves pounding pebbles into smaller and smaller pieces

b
Wind eroding pebbles into smaller pieces

c
Water freezing and thawing in the cracks of pebbles

d
rain wearing away rocks into smaller and smaller pieces

What is the molecular formula for a compound that is 46.16% carbon, 5.16% hydrogen, and 48.68% fluorine? the molar mass of the compound is 156.12 g/mol

The valence of aluminum is +3, and the valence of the chlorine is -1. the formula fir the aluminum chloride is correctly written as

For the reaction shown, calculate how many moles of no2 form when each of the following completely reacts. 2n2o5(g)→4no2(g)+o2(g) part a 1.0 mol n2o5 express your answer using two significant figures. nothing mol m o l request answer part b 5.4 mol n2o5 express your answer using two significant figures.