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D Question 48 % Edit & Create 2 pts How many moles of CO2 are produced if 1.83 L of O, at 1.14 atm and 288 K? 2C2H6+ 702 + 4CO2 + 6H20 Question 49 2 pts Which quantum number is related to the shape of the orbital? angular momentum principle magnetic spin 2 pts Question 50 Put these gases in order of increasing rate of effusion. [Select) [Select [Select < Select N search
Question 25 0.5 pts How many mLs of 0.15 M AgNO3 will react with exactly with 25.0 mL of a 0.200 M solution of NaCl (3 SF) NaCl (aq) + AgNO3 (aq) --> NaNO3 (aq) + AgCl (s) Question 26 0.5 pts How many mL of 0.115 M NaOH will react with exactly with 22 mL of a 0.210 M solution of H2SO4 (3 SF) 2 NaOH(aq) + H2SO4 (aq) --> Na2SO4 (aq) + 2 H20 (1)
QUESTION 49 How many grams of of NaNO3 are are required to make 551.6 mL of a 0.799 M NaNO3 solution? The molar mass of NaNO3 is 84.995 g/mol. Be sure to report units for you answer, using the accepted abbreviation for the units. DO NOT put a space between the number and the units (i.e., if a student wished to enter a value of 55 grams, they must write "55g" NOT"55 g").
What is the percent yield of water if we start with 5 g C, Hg and produce 6.13 g H,O? The end point in a titration of a 58 mL sample of aqueous HCl was reached by the addition of 25 mL of 0.83 M NaOH titrant. The reaction proceeds by the following equation. C3H8 +502 — 3CO2 + 4H20 Select the correct answer below: HCl(aq) + NaOH(aq) + NaCl(aq) + H2O(1) 0 63.905 What is the molar concentration of...
Question 1 10 pts Consider the general chemical equation: A+2B3 C How many moles of C are produced from 1 mol of A? o 2 3 10 pts D Question 2 Given the decomposition of hydrogen peroxide, calculate the moles of oxygen gas produced from 5.00 mol of H202 2 H2020) 2 H20) 028) 1 mol 2.5 mol 5 mol 10 mol 10 pts DQuestion 3 How many moles of propane gas, C3Ha. react with 1.29 mol of oxygen gas?...
Question 39 2 pts How many mL of 0.583 M HNO3 are needed to react with 2.5 g of Hg2Cl2 (molar mass = 472.08 g/mol)? Hg2Cl2 +5HNO3 +2Hg(NO3)2(aq) + HNO2(aq) + 2HCl(aq) + H2O(1)
Question 23 3 pts How many moles of BC13 are needed to produce 25.0 g of HCl(aq) in the following reaction? BC13(8) + 3 H2001) - 3 HCl(aq) +B(OH)3(aq) O 2.06 mol 4.38 mol O 0.686 mol 0.229 mol « Previous Next nen
help with All 8 questions please Question 13 2 pts How many moles of carbon are there in 19.3 g of sucrose, CH120.? Use 180.16 g/mol as the mw of ose. Give your answer three decimal places. su Question 14 3 pts A sample of C6H12 has 34.5 g of carbon. How many moles of CH 12 are there? Use 12.01 g/mol as the mw of carbon and 84.16 g/mol as the mw of C6H12. Give your answer to three...
Question 46 1 pts How many moles of gas are contained in 890.0 mL at 21.0°C and 750.0 mm Hg pressure? O 0.120 g 0.0364 g 22.4g © 27.5 g
Question 3 2 pts How many mL of 0.233 M. HNO3(aq) are needed to neutralize 56.90 mL of a 0.1368 M solution of barium hydroxide, Ba(OH)2? 0 33.4 O 100.2 0 66.8 O 16.7 O 53.9