Tetraphosphorus hexaoxide (MW=219.9 g/mol) is formed by the reaction of phosphorus with oxygen gas. If a mixture of g of phosphorus (123.88 g/mol) produces g or P4O6, what is the percent yield for the reaction?  P4(s) + 3O2(s) —–> P4O6(s)    

Matching: For each characteristic of the graph below match it to its correct notation.

**This is a show your work question. Write out your work on a scratch piece of paper and hold it up to the camera when you are finished. You can type your answer in best you can in the box or type in “I held up my answer”. Ensure your camera focuses on your scratch paper so Professor Bramall can clearly read it when she pauses the recording.**   Find a formula for

Which of the following graphs are one-to-one?

How many grams of solid sodium carbonate (Na2CO3, 105.99 g/mol) would be required to neutralize L of 1.0 M HCl? 

Your great uncle borrows your brand-new Chevrolet Camero v6 which typically holds around 19 gallons of gasoline. Pretending that this is 100% octane (114.23 g/mol) and that this volume of gas equates to 27×103 grams of octane. How much CO2 (in kg; 44.01g/mol) is produced when he empties your tank? (2 sig figs) 2C8H18 + 25 O2 —-> 16 CO2 + 18 H2O      

Tetraphosphorus hexaoxide (MW=219.9 g/mol) is formed by the reaction of phosphorus with oxygen gas. If a mixture of g of phosphorus (123.88 g/mol) produces g or P4O6, what is the percent yield for the reaction?  P4(s) + 3O2(s) —–> P4O6(s)    

Suppose you are hired to determine the true average amount of money that college students make while working on-campus jobs. If you want to be 95% confident that you are within $100 of the actual value, how many students would you need to survey? Assume that the true standard deviation is $600.  Reminder: It’s impossible to survey a fraction of a college student.