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2 3 Question 11 (5 points) GeF3H is formed from GeH4 and GeF4 in the combination...
QUESTION 2 GeF3H is formed from GeHy and GeF 4 in the combination reaction GeHA + 3G0F4-4GeF3H It the reaction produced 40 03 moles of GoF3H, what amount of Gof 4 (in moles) reacted?
_ and _ bond(s) in the H2C-CH2 molecule. 25) There are A) 3 and 2 B) 3 and 4 C) 4 and 3 D) 2 and 3 E) 5 and 1 is tetrahedral 26) The electron-domain geometry of A) CBr4 B) PH3 C) CCl2Br2 D) XeF4 E) all of the above except XeF4 27) GeF3H is formed from GeH4 and GeF4 in the combination reaction: GeH4 + 3GeF4 + 4GeF3H If the reaction yield is 92.6%, how many moles of...
ACCOUNT Question 4 10 Points How many moles of oxygen are required to produce 200.0g H2O? BLANK-1 mol O2 BLANK-1 Add your answer Question 5 10 Points How many grams of oxygen are needed to produce 250.0 g of CO2? BLANK-1 g 02 BLANK-1 Add your answer Question 6 10 Points How many grams of C8H18 are needed to form 4.00 L of CO2 gas? BLANK-1 8 C8H18 BLANK-1 Add your answer Question 7 10 Points How many liters of...
Question 5 (2 points) How many moles of oxygen are formed when 58.6 g of KNO3 decomposes according to the following reaction? The molar mass of KNO3 is 101.11 g/mol. 4 KNO3(s) 2 K20(s)2 N2(g) + 5 O2(g) 0.290 mol 02 0.580 mol02 18.5 mol 02 0.724 mol 02 1.73 mol 02
How many grams of oxygen are formed when 6.21 moles of KOH are formed? 4 KO(s) + 2 H_2O(l) rightarrow 4 KOH(s) + O_2(g) 19.9g 27.9g 49.7g 3.59g 11.7g Consider the following balanced reaction. How many grams of water are required to from 75.9g of HNO_3? Assume that there is excess NO_2 present. Molar masses: H_2O = 18.02g. HNO_3 = 63.02g. 3 NO_2(g) + H_2O(l) rightarrow 2 HNO_3(aq) + NO(g) 38.0g 21.7g 43.4g 10.9g 26.5g A 12.39g sample of phosphorus...
question 4-5
should be indicated on the scantron. Answers in dicated on Exam will not be graded. 4.Use pencil for marking the answers on the scantron. 5. Apply significant figures as appropriate MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. AL 1) How many chloride ions are there in 7.50 mol of aluminum chloride? A1.35 1025 chloride lons 1) AIcl3 B) 3.00 chloride ions D) 4.52 1024 chloride lons C) 22.5 chloride lons...
Question 2 of 5 Submit How many moles of H20 can be formed from 3.02 x 1023 atoms of NH3 from the following equation? 4 NH3 (9) +502 () 4 NO (9) + 6 H2O (9) mol 0 0 0 x 100 0
Question 11 From the following balanced equation, 2 Na(s) + C1,(9) 2 NaCl(s) how many moles of NaCl can be formed from 3 mol Cl,? Your answer should have one significant figure.
10) 10) Consider the hypothetical reaction: 3A2 + 2B - C + 2D Ir 6.0 moles of A are mixed with 2.0 moles of B, what is the maximum amount of C that can be formed? A) 6.0 mol B) 8.0 mol C) 2.0 mol D) 1.0 mol E) 5.0 mol 11) What is the mass of 4.35 moles of aluminum? A) 9.78 x 1022 B) 2.62 x 1024 g C) 0.1638 D) 1178 E) 27.8 g 12) 12) Choose...
11. -/2 points was OSGenChem1 5.3.WA.010.0/10 Submissions Used Given that AH = -571.6 kJ/mol for the reaction 2 H2(g) + 0,(g) → 2 H20(i), calculate AH for these reactions. (a) 2 H20(1) - 2H2(g) + O2(9) kJ/mol (6) 49 H (9) + 1/2 0,(9) H,00) kJ/mol (c) 427 6 H20(1) 6 H2(g) + 3 0 (9) kJ/mol Need Help? 12. 2/2 points Previous Answers was OSGenchem 1 5.3.WA.032. 1/10 Submissions Used how many moles of water are present if 53.8...