You place 15g of ice at 0˚C into a 50g cup of hot water at 90˚C what is the final temperature of the of the solution in ˚C? ​ c(water)=4.18J/g˚C ​

c(ice) =2.1J/g˚C

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins