Balance the chemical equation given below, and deermine the number of grams of Fe needed to produce 15.0g of Fe2O3 MgO(S) plus Fe(S) producing Fe2O3(S) plus ___Mg(s)

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?

Flourine is found to undergo 10% radioactivity decay in 366 minutes determine its halflife

Pls ill give u brainliest which of the following is true about science? 1. political conditions are unable to influence it. 2. economic concerns may prevent it from solving problems.