Identify the limiting reactant when 2.20 grams of magnesium reacts with 4.5 L of oxygen gas at STP to produce magnesium oxide. 2 Mg + O2 - 2 Mgo​

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

Once similarity and one difference between a mixture of elements and a mixture of compounds

The density of benzene at 15 °c is 0.8787 g/ml. calculate the mass of 0.1500 l of benzene at this temperature. enter your answer in terms of grams