What are the correct coefficients for the following reaction: Fe2O3 + Al —> Fe + Al2O3

A) 2, 1, 1, 2
B) 2, 2, 2, 2
C) 1, 2, 2, 2
D) 1, 2, 2, 1

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?

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.

Write the formula for the following chemicals. 7. e. trinitrogen tetraoxide a calcium phosphate f. magnesium acetate b. potassium sulfide g nickel(iii) cyanide c carbon dioxide h. silver sulfate d. cobalt(ii) chloride