how many moles of magnesium chloride are formed when 1.204 grams of mgoh2 is added to 55 ml of 0.70 m hcl

8. how much enthalpy/heat is transferred when 0.5113gof ammonia (nh3) reacts with excess oxygen according| to the following equation: 4nh3 +502 - 4n0+ 6h20ah = -905.4j

Chortling is used to clean water. another possible atom that would also work is a. sodium b. sulfur c. bromine

Which of these statements describes the size of an atom? a. an atom is larger than a sheet of aluminum foil. b. an atom is small but can be seen with just our eyes. c. an atom is the size of a plastic building block. d. an atom is tiny and cannot be seen without magnification.