specimens of copper (II) oxide produced by various method were reduced in a stream of carbon(II) oxide and on analysis gave the following results 1.60g of copper oxide A gave 1.25g of copper 2.05g of copper oxide B gave 1 .63g of copper 2.40g of copper oxide C give 1.91g of copper​

Sarah wants to know where in her garden chamomile would grow the best. she thinks chamomile will grow best in the corner of the garden that gets the most sunlight. to test her hypothesis, she decides to plant several groups of chamomile in her garden as an experiment. which of the following variables will sarah need to measure to know which group of plants grew best? a. the location of the plants b. the type of plants c. the height of the plants d. the amount of water she gives the plants

In the millikan oil drop experiment they determined that every drop had a charge which was a while number multiple of -1.60x10^-19. if a drop has a total charge of -9.60x10^-19 then how many excess electrons are contained within the drop?

In which of the following phases of matter do molecules have the highest amount of energy? a. liquid b. gel c. solid d. gas