As a reaction proceeds, one mole of reactant equals:

A) three units of a balanced chemical equation

B) two units of a balanced chemical equation

C) four units of a balanced chemical equation

D) one unit of a balanced chemical equation

Which bond or interaction would be difficult to disrupt when compounds are put into water? which bond or interaction would be difficult to disrupt when compounds are put into water?

Which piece of evidence provides the strongest support for the theory that all living things evolved from a common ancestor? Charles Darwin, for 7 grade

Based on the formulas, select the compounds below that are covalent: KBr SiF4 Al2O3 CO2 NaCO3 S7O2 PCl3 Fe3N2 H2O S2F10

Atoms of one element are converted to Atoms of another element through

Which of the following best describes Newton's First Law of Motion? (more than one answer applies) F=m • a A swimmer turns and kicks off from the end of the pool. A book will slide across the desk if you exert a force on it.

Nonmetal oxides can react with water to form acids. For example, carbon dioxide reacts with water to form carbonic acid: CO2 H2O H2CO3. (1) Write an equation to show how diiodine pentaoxide reacts with water to form an acid. Do not include states.

If atmospheric pressure suddenly changes from 1.00 atm to 0.892 atm at 298 k, how much oxygen will be released from 4.40 l of water in an unsealed container?

Determine the molecular formula for the unknown if the molecular mass is 60.0 amu and the empirical formula is ch2o.

Draw the organic product of the following nucleophilic reaction

How does the energy of the activated complex compare with the energies of reactants and products? select one: a. it is lower than the energy of both reactants and products. b.