When Carbon (electronegativity: 2.55) and Oxygen (electroegativity: 3.44) react to form Carbon Dioxide (CO2). The type of bond that is formed is: A. Polar covalent
B. Apolar covalent
C. Coordinated Covalent
D. Ionic
HELP ASAP

Nitrogen dioxide reacts with water to form nitric acid and nitrogen monoxide according to the equation: 3no2(g)+h2o(l)→2hno3(l)+no(g) part a suppose that 4.2 mol no2 and 0.50 mol h2o combine and react completely. which reactant is in excess? express your answer as a chemical formula. nothing

The tilt of the earth's axis of rotation is responsible for the a) ocean's tides. b) size of the moon. c) brightness of stars. d) earth’s seasons.

Calculate the mass of silver needed to react with chlorine to produce 126g if silver chloride?