How many moles of water are produced from the reaction of 50.0g of methane (CH4)? Show your work

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

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?

According to the tide table below what time of day will the highest tide occur? (2 pt) the highest tide will occur at