When matter is heated, particles within the matter will. A. speed up.
B. produce sounds.
C. change into different types of particles. D change colors.

If 10.0 ml of the solution on the right are withdrawn from the 100 ml beaker and diluted again in a similar manner, what is the new concentration? m nacl

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer

Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.