The mass number is equal to the number of what particles in the ...

[altibaby]

The mass number is equal to the number of what particles in the nucleus?
 
  A) protons
  B) neutrons
  C) nucleons
  D) electrons
  E) positrons.

Question 2

550 g of water at 105C are poured into an 855 g aluminum container with an initial temperature of 11C. The specific heat of aluminum is 900 J/(kgK).
 
  How much heat flows from the water to the aluminum, assuming no heat is exchanged with the surroundings? A) 55 kJ
  B) 36 kJ
  C) 54 kJ
  D) 46 kJ
  E) 64 kJ

[sarahccccc]

Answer to Question 1

C

Answer to Question 2

C

[altibaby]

Thank you!

[sarahccccc]

Always glad to help...