Matter is niether created nor destroyed in any chemical change. Is this a theory or a law?

Which metal ion produces the light with the highest energy level

Is glue a suspension colloid or solution?

What is earths surface made of?

A provider order states kanamycin 700 mg im, the kanamycin label states to add 5ml of sterile water to 1 gram kanamycin, how many milliliters should be given

How do ozone molecules form in the stratosphere?

Determine the number of moles in a container of gas at STP with a volume of 99.2L

State the number of significant 2804

For the reaction 2N 2O (g) ⇌ O 2 (g) + 2N 2 (g), what happens to the equilibrium position if the pressure increases?

A chemistry student needs 90.0g of glycerol for an experiment. by consulting the crc handbook of chemistry and physics, the student discovers that the density of glycerol is 1.26·gcm-3. calculate the volume of glycerol the student should pour out.

A sulfuric acid solution containing 571.6 g of H2SO4 per liter of solution has a density of 1.329 g/cm3. Calculate (a) the mass percentage, (b) the mole fraction, (c) the molality, (d) the molarity of H2SO4 in this solution.