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The compound ammonia, NH3, produces hydroxide ions in aqueous solution by    

Are all combustion reactions oxidation reduction reactions.  If so, explain how you came to this conclusion.  You must be specific and clear in your response.  State your answer here. (4 min)

11. Which one of the motivated sequence design’s five steps is where the speaker paints verbal pictures that illustrate the positive results that can be expected. 

Which form of business organization accounts for the largest proportion of business sales in the United States?

A group of farmers in southwestern Pennsylvania selling locally raised natural beef would be identified as a

Label this question Q-Atoms on your paper. For this question, you will need to place the final answer here.  In addition, you must show your work through the Canvas drop box.   In addition, you will need to show all work including starting equations, starting variables, and final answer circled where applicable on your paper.   Failure to show your work correctly will result in significant to total point loss.  You must use one step equation dimensional analysis where applicable.  You must submit your answer to the Canvas dropbox for grading after the exam. Avogadro’s number = 6.022 x 1023 atoms Calculate the number of oxygen atoms in 29.34 g of sodium sulfate, Na2SO4 (MW = 165.026 g/mol).   You must place your final answer here with units.    

Which of the following shows a balanced equation?  Place your letter answer here. A) Ca3(PO4)2(s) + 3SiO2(s) + 8C(s) → 3CaSiO3(s) + 8CO(g) + P4(s)   B) Ca3(PO4)2(s) + 3SiO2(s) + 14C(s) → 3CaSiO3(s) + 14CO(g) + P4(s)   C) Ca3(PO4)2(s) + 3SiO2(s) + 8C(s) → 3CaSiO3(s) + 8CO(g) + 2P4(s)   D) 2Ca3(PO4)2(s) + 6SiO2(s) + 10C(s) → 6CaSiO3(s) + 10CO(g) + P4(s)   E) 2Ca3(PO4)2(s) + 6SiO2(s) + 10C(s) → 6CaSiO3(s) + 10CO(g) + 4P4(s)  

Given that  the atoms X, Y, Z, and R have the nuclear compositions listed below, which two of those shown are isotopes?  

Jennifer learns that the price of CDs will be going up 10% next week.  She usually buys three CDs per week.  What happens to Jennifer’s demand for CDs this week?

Draw the Lewis structure for the molecule CH2CHCH3. How many sigma and pi bonds does it contain? A) 8 sigma, 1 pi B) 9 sigma, 0 pi C) 9 sigma, 1 pi D) 7 sigma, 2 pi E) 8 sigma, 2 pi