Answer the blank: What do elements,, and mixtures have in common?
I'll give you a hint
They are all made up of two or more elements and they could both be separated and then mixed with different elements to make a new mixture and compound.

The slope of a good speed time indicates ? a. velocity b. acceleration c. direction d. speed

Achemistry student needs of 40ml diethylamine for an experiment. by consulting the crc handbook of chemistry and physics, the student discovers that the density of diethylamine is 0.7 . calculate the mass of diethylamine the student should weigh out. round your answer to significant digits.

Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.