What tools should a scientist use to measure an object in milligrams

What is the mole fraction of ethanol in a solution made by dissolving 29.2 g of ethanol

This reaction is an example of what type of reaction? H2SO3 (aq) H2O (l) + SO2 (g) a. a synthesis reaction b. a disynthesis reaction c. a combustion reaction d. a decomposition reaction

the details on p. 99, in of wolves and men that describes how the wolf's fur carries seeds to depersed along his trail reveals ...

What is the formula for moles?

What is the mass of 6.02x10^23 potassium atoms?

Is it living or nonliving?

Which probably best indicates that a compound contains an ionic bond

A gas in a balloon at constant pressure has a volume of 185 mL at - 125*C. What is it's volume at 31.0*C? Show all work including what equation or gas law you use.

Which of the following is a property of metals that is due to the delocalized electrons A. transparency B. dull Appearance C. brittle D. good conductor

Three identical beakers each hold 1000 g of water at 20 ∘C. 100 g of liquid water at 0∘C is added to the first beaker, 100 g of ice at 0 ∘C is added to the second beaker, and the third beaker gets 100 g of aluminum at 0∘C.