A chemist determined by measurements that 0.045 miles of barium participated in a chemical reaction. Calculate the mass of barium that participated in the chemical reaction

Which electromagnetic radiation on the electromagnetic spectrum can be detected by the human eye? A) Radio B) X-Ray C) Microwaves D) Visible light

How many grams of lithium sulfide must be dissolved in 1600.0 g water to make a 2.0 molal solution?

Which statement correctly describes glycolysis? A) Glycolysis is endothermic and results in a net loss of ATP. B) Glycolysis is exothermic and results in a net loss of ATP. C) Glycolysis is endothermic and results in a net gain of ATP.

In a biochemical reaction, an enzyme acts as a catalyst, causing the (1) activation energy of the reaction to decrease (2) potential energy of the reactants to decrease (3) kinetic energy of the reactants to increase (4) heat of reaction to increase

A solute will probably dissolve best in a a. hot solvent c. room temperature solvent b. cold solvent d. temperature does not affect solubility

The net gain of atp per molecule of glucose fermented is

What is the name of this compound? CH3-CH2-CH2-CH2-O-C6H5 butylphenyl ether cyclohexylbutyl ether phenylbutyl ether butylcyclohexyl ether

Is the following equation balanced? 2Na + 2H2O = 2NaOH + H2 Yes No

What is the difference between a molecule and a formula unit

Sound is not part of a electromagnetic spectrum because A: Sound is not a type of energy wave B: Sound is not a type of electromagnetic radiation C: Sound does not have a wavelength D: Sound does not have a frequency