Which of the following choices contains the most thermal energy? a penny that is 20 degrees Celsius ( oC)

an atom of aluminum that is 20 degrees Celsius ( oC)

a 50 milliliter (ml) glass of water at 20 degrees Celsius ( oC)

a 900 milliliter (ml) pitcher of orange juice at 20 degrees Celsius ( oC)

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.

Light waves travel than sound waves.

Mercury turns to vapor at 629.88 k how much heat is lost 175 g of mercury vapor at 650 current condenses to a liquid at 297 ca mercury turns to weber at 629.88 kelvin how much he is lost 175 g of mercury vapor and 650 coming condensers to liquidate 297 kevin