What causes the difference in bond angles in carbon dioxide and water?
a) the distance between the atomsin either molecules
b) the facr that there are tei oxygen atoms in carbon dioxide and only one in water
c) the fact that the number of lone pairs of electrons on the central atom is greater in the case of water
d) the presence of a carbon atom in carbon dioxide
e) the presence of a hydrogen atom in water

Which mathematical relationship should you us to convert moles of a substance into grams

Achemist wants to extract copper metal from copper chloride solution. the chemist places 0.50 grams of aluminum foil in a solution containing 0.75 grams of copper (ii) chloride. a single replacement reaction takes place. (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction? a) approximately 0.36 grams, because copper (ii) chloride acts as a limiting reactant b) approximately 1.8 grams, because copper (ii) chloride acts as a limiting reactant c) approximately 0.36 grams, because aluminum acts as a limiting reactant d) approximately 1.8 grams, because aluminum acts as a limiting reactant

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here