To determine if a reaction is exothermic, a student would be best using ph brobe , motion sensor , pressure sensor, or thermometer?

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?

What is a property of a double replacement reaction

What is the atomic number of an atom that has 6 protons