The combustion of gasoline (octane) in a car engine can be represented by the following equation:2C3H18(1) + 2502(g) --> 16CO2(g) +18H2O(g)a. What mass of oxygen is used up to burn a full tank of 36.00 kg of gasoline?b. Why might a vehicle that is calibrated to run perfectly at sea level run poorly at higher elevations?C.According to the Canadian Automobile Association, the average Canadian drives 20,000 km/yr.Assuming that distance, how many more kg of carbon dioxide are added to the atmosphere each yearby a Toyota Tacoma (fuel economy of 12.8 L/100 km) than a Toyota Prius (4.52 L/100 km)? The densityof gasoline is 0.719 kg/L.

Part (a) Solution :- The combustion of gasoline (octane) in a car engine can be represented by the…

Answered: The combustion of gasoline (octane) in…

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter7: Statistical Data Treatment And Evaluation

Section: Chapter Questions

Problem 7.16QAP

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3.1524 g HCI (FW 36.46) was diluted with 45 mL water and titrated with 1.0149 M NAOH (FW 40) using methyl red as indicator. 28.02 mL of NAOH was required to neutralize the HCI. Calculate the percentage w/w of HC. Record your answer in decimal notation to 2 decimal places. Answer = % w/w %3D
Consider the calcination of CaCO3: CaCO3 -> CaQ + CO, Before calcination, the initial weight of CaCO3 is 2.5g. After calcination, the final weight of CaCO3 was measured at 2.0 g. Calculate the conversion of CaCO; particles (x) using the following equation: m CaCO, -m CaCo, ) x = m Caco, -MCao |
A first-stage recovery of magnesium from seawater is precipitationof Mg1OH22 with CaO:Mg2+(aq) + CaO(s) + H2O(l)---->Mg(OH)2(s) + Ca2+(aq) What mass of CaO, in grams, is needed to precipitate 1000lb of Mg(OH)2?
5R) The net ionic equation for formation of an aqueous solution of Nil2 accompanied by evolution of CO2 gas via mixing solid NICO3 and aqueous hydriodic acid is A) 2NICO3 (s) + HI (aq) - 2H20 (1) + CO2 (g) + 2N12+ (aq) 2H20 (1) + CO2 (g) + Ni2+ (aq) + HI (aq) B) NICO3 (s) + I (aq) O NICO3 (s) + 2H* (aq) H20 (1) + CO2 (g) + Ni2+ (aq) 2H20 (1) + CO2 (g) + Nil2 (aq) D) NICO3 (s) + 2HI (aq) E) NICO3 (s) + 2HI (aq) H20 (1) + CO2 (g) + Ni2+ (aq) + 21- (aq) Answer. C
Unit 7A: RA--Chemical Reactions and Stoichiometry 15/20 answered Close Homework . Due in 4 hours Molten iron and carbon dioxide gas are products in the industrial iron making process which passes carbon monoxide through molten iron ore, Fe203, at 1500°C. Write a balanced chemical equation for the production of iron. Chem 7 8 9 H 4 6 1 2 3 mol y g mol-1 DI + || SHOW
Sodium carbonate is a reagent that may be used to standardize acids in the same way that you have used KHP in this experiment. In such a standardization it was found that a 0.498-g sample of sodium carbonate required 24.8 mLmL mL of a sulfuric acid solution to reach the end point for the reaction. Na2CO3(aq)+H2SO4(aq)→H2O(l)+CO2(g)+Na2SO4(aq)Na2CO3(aq)+H2SO4(aq)→H2O(l)+CO2(g)+Na2SO4(aq) What is the molarity of the H2SO4H2SO4?
3. (a) If 10.0 mL of H2SO4 (sp. Gr. 1.50, containing 48.7% of combined SO3 by weight) is diluted to 400 mL, what is the normality of the solution as an acid? (b) What volume of 6.00 M H2SO4 should be added to this in order to make the resulting mixture 1.00 N as an acid? FW's : H2SO4 = 98; SO3 = 80
(a) How many grams of nickel are contained in 10.0 g of a 10.2 wt% solution of nickel sulfate hexahydrate, NiSO4 ? 6H2O (FM 262.85)? (b) The concentration of this solution is 0.412 M. Find its density.
Lead hydroxide, Pb(0H)2(s) | Pb(0H)2(s)Pb+2(aq)+20H-(aq) | Ksp=1.4x10-20 H2O(aq)H*(aq)+OH-(aq) Pb(OH)2 Water Kw=1.00x10-14 Molar masses 241.21 Pb 207.20 OH- 17.01 If Pb+2(aq) is controlled by the solubility of Pb(OH)2, what Pb+2(aq) concentration is expected if pH=p0H=7.00? b. What pH would be required to lower Pb+2(aq) to 2.07 ppb? a.
Bb Blackboard Collaborate Ultra – 1 X Bb Collaborate - Live Tutorial Ses X O Mail - Jenna Lewis - Outlook G 0.615 ml to litres - Google Search x + 8 https://au.bbcollab.com/collab/ui/session/playback Not syncing O Instagram (11) Facebook In class questions: Q97: - Use the provided equation to calculate the following: KMNO, (aq) + HCI (aq) → MnCl, (aq) + Cl, (g) + H,0 (1) + KCI (aq) а. The moles of H,0 that can be obtained from 15.0 ml of 0.250 M HCI. b. The volume of 0.150 M KMno, needed to produce 0.0143 g MnCl,. С. The volume of 2.50 M HCI needed to produce 125 ml of 0.525 M KCI. 2KMNO, (aq) + 16HCI (aq) → 2MNCI, (aq) + 5Cl, (g) + 8H,0 (1) + 2KCI (aq) 01:36:12 01:59:28 [CC 9:14 AM O Type here to search 14°C Sunny 4) ENG 9/09/2021
VIII. A primary standard of HCI is sodium carbonate, Na2CO3. A measured mass of solid Na2CO3, mNa2CO3' in grams, is dissolved in water and then titrated with HCI solution using methyl 2 NaCl + CO2 + H2O. orange indicator. The reaction is: Na2CO3 + 2 HCI- Complete the following formulas using the context described above: MHCI × VHCI in mL at the methyl orange endpoint = mNa2CO3 × ( )= mol of Na2CO3 mol of Na2CO3 X (— ( - - )= mol of HCl
10:44 PM Sat Apr 13 < STARTING AMOUNT Question 8 of 14 Determine the mass in grams of HCI that can react with 0.750 g of Al(OH), according to the following reaction Al(OH),(s) + 3 HCl(aq) AICI,(aq) + 3 H,O(aq) Tap here or pull up for additional resources ADD FACTOR * ( ) ANSWER RESET C 6.022 x 1023 36.46 18.02 0.351 2.25 0.750 78.00 0.0288 0.117 1 1.05 9.60 x 10 3 133.33 g AICI mol AICI, g Al(OH)3 mol HCI mol Al(OH), g HCI g H₂O mol H₂O 31% Submit

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