Determine the molar mass of a 0.458 gram sample of gas having a volume of 1.20 l at 287 k and 0.980 atm. show work.
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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

Name the element in group 17, period 2. (periodic table)

What is the indicator of the number of ions in solution? the amount of conductivity the amount of precipitate the amount of solute added