How many molecules of water will be formed if 6.75 g of prop…

How many molecules of water will be formed if 6.75 g of propane is burned in the reaction below?   Molar mass of CO2 = 44.009 g/mol; propane = 44.097 g/mol; water = 18.015 g/mol.  C3H8 + 5O2 –>  3CO2 + 4H2O STATE JUST YOUR ANSWER INCLUDING UNITS IN THE TEXT BOX BELOW. Do not show work in the text box.  # your question on scratch paper and label answer,  Include units   If your number is in scientific notation use the superscript or subscript buttons in the task button up in the task bar above. Show all work or receive no credit Show work to webcam upon completion of this problem.  Show units and chemical name or formulas if applicable.   Spelling counts.  Sig Figs will not count unless otherwise stated.  You will be asked to scan all your work at the end of the exam.   Write your final answer in text box.

The area of a 15 inch pizza is 176.7 in2.  Express this area…

The area of a 15 inch pizza is 176.7 in2.  Express this area in Mm2 STATE JUST YOUR ANSWER INCLUDING UNITS IN THE TEXT BOX BELOW. Do not show work in the text box.  # your question on scratch paper and label answer,  Include units   If your number is in scientific notation use the superscript or subscript buttons in the task button up in the task bar above. Show all work or receive no credit Show work to webcam upon completion of this problem.  Show units and chemical name or formulas if applicable.   Spelling counts.  Sig Figs will not count unless otherwise stated.  You will be asked to scan all your work at the end of the exam.   Write your final answer in text box.