Which of these outcomes is conclusive evidence that mixing sugar in water is a physical change?

there is no change in color.

there is no precipitate formed.

there is no gas given off.

there is no molecular change.

Consider the reaction of a(g) + b(g) + c(g) => d(g) for which the following data were obtained: experiment initial [a], mol/l initial [b], mol/l initial [c], mol/l initial rate, mol/l. s 1 0.0500 0.0500 0.0100 6.25 x 10^-3 2 0.100 0.0500 0.0100 2.50 x 10^-2 3 0.100 0.100 0.0100 1.00 x 10^-1 4 0.0500 0.0500 0.0200 6.25 x 10^-3 what is the rate law for the reaction?

The number at the end of an isotope’s name is the number.

How many moles are in 123.0 grams of kclo4?