The density of oxygen at STP is 1.43 g/L. What is the mass of exactly one liter of oxy-
gen, if the pressure increases by 47 mm of
mercury but the temperature is unchanged?

How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration?

What’s the scientific notation for the number 6,840,000,000

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