How much heat is required to change 56.0 g of ice (h2o) at 263 k to vapor (steam) at 400 k?

Layers of rock containing fossils, like the layers illustrated here, are most likely composed of rocks.

This element exists in adundance in the sun.explain how you would go about capturing sunlight.would this captured sunlight contain any of the element?

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?