When the compound, ba(c2h3o2)2, is mixed with water, the ba(c2h3o2)2 is:
soluble because compounds containing the c2h3o2− ion are soluble in water
insoluble because most compounds containing the c2h3o2− ion are insoluble in water
soluble because all ba+2 compounds are soluble in water
insoluble because no ba+2 are soluble in water

Cobalt-60 is an artificial radioisotope that is produced in a nuclear reactor and is used as a gamma-ray source in the treatment of certain types of cancer. if the wavelength of the gamma radiation from a cobalt-60 source is 1.00 × 10-3 nm, calculate the energy of a photon of this radiation.

Which best describes how johannes kepler developed his laws of planetary motion

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.