3. How much heat will be released when 45.0g of carbon reacts with excess iron oxide. 3C + FO; — 3CO + 2Fe AH = -2,500 kJ - at the rescator​

Margaret wants to make an orange flavored drink by stirring powdered drink mix into a glass of water. she doesn't like drinks that have small clumps of powdered solid in them, so she wants the drink to be a perfect solution. what factors should margaret not consider when deciding how much powder to add to her glass of water?

Compare and contrast physical changes with chemical changes.

Determine the empirical formula for succinic acid that is composed of 40.60% carbon, 5.18% hydrogen, and 54.22% oxygen.