5.0x10^4mg to kg and answer in scientific notation

Dana wants to determine the molar mass of magnesium hydroxide, Mg (OH) 2. Which calculation should she use?

How was urea originally produced in the lab according to the text? Concentrated sulfuric acid was accidentally added to sucrose. Friedrich Wohler was working with ammonium cyanate & found crystals of urea in his breakers.

Explain elasticity of demand

A solution is formed by dissolving 36.5 g of urea, CO (NH2) 2, in 150.0 mL of water. What is the mole fraction of water in this solution? The density of water is 1.00 g / mL.

What atoms must be present in a molecule for it to be considered organic?

A certain organ pipe, open at both ends, produces a fundamental frequency of 272 HzHz in air. Part A If the pipe is filled with helium at the same temperature, what fundamental frequency fHefHef_He will it produce?

Between what two consecutive energy levels of a hydrogen atom is there the greatest change in energy?

Which SI unit indicates the mass on an average-sized box of breakfast cereal? A. kg B. lb C. g D. oz

The nerves that Branch out from the spinal cord and connect to the body

What would be oil classification?