If water heat of fusion is 80 cal/g, how many heat is required to covert 30g of ice at 0 degree c to liquid water at 30 degree c?

a 800 cal
b 600 cal
c 2200 cal
d 1000 cal
e 3300 cal

100 points answer quick the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Select each correct answer. more than one answer may be correct. which of the following is a characteristic of unicellular organisms? they can possess tissues and organs. all of their functions are performed by a single cell. they are usually microscopic. each of their cells is specialized to perform a specific function.

How many moles of oxygen react with 12 moles of aluminum