Which non-metal makes up diamond, graphite, and the majority of coal? a) oxygen b) sodium c) carbon d) magnesium

Asolution contains 180 g of glucose (c6h12o6) and 162 g of water. what is the mole fraction of glucose?

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?

Read "who built the pyramids? ”. leave this link open while you answer the questions throughout the assignment. give at least two reasons why some people claim the pyramids of giza were constructed by aliens.