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?
Q: Average morality of NaOH= Dillo M+ 0,1|3 M + 0.1124 M 0.3354M 3. EO.112 M
A: Precision is the degree of closeness between the various experminental data obtained. Precision can…
Q: A 0.157g of a compound containing C, H, N and possibly O, yields 0.213g CO2 and 0.0310g H2O upon…
A: When the given sample burned in excess oxygen carbon dioxide and water are formed. All the hydrogen…
Q: Atmosphene scientists ofien use mixing ratios to express the concentrations of trace compounds in…
A: The given data contains, Total pressure=635 torr.Temperature=0°C.Concentration of CO=2.5×102ppmv.
Q: 2MNO, + 5C,0²- + 16H* → 2Mn²+ + 10 CO, + 8H,0 4. Here, 20 mL of 0.1 M KMNO, is equivalent to
A: Given:- 2MnO4 _ +5C2O42- +16 H+ -------->2Mn+2 +10CO2 + 8H2O. To find:- 20 mL of 0.1 M KMnO4…
Q: 8. What is the mass percent mim OF Kg COz (m/m) Solution Containing 260g K2C03 ana 1S49 for a H20 ?…
A:
Q: Some ionic components of seawater are given in the following table: wt Cation Wt.% Anion Na 1.06 1.9…
A:
Q: Calculate the mass of the greenhouse gas, carbon dioxide (CO2) that you release into the atmosphere…
A: Given :- volume of tank containing octane = 60 L Density of octane = 0.702 g/mL To calculate :-…
Q: 3. Classify the following errors if either Random or systematic error, if systematic specify how to…
A: The random error means the unpredictable disturbance occurs in the experiment by the unknown…
Q: 0.498-g sample of sodium carbonate required 22.6 mLmL mL of a sulfuric acid solution to reach…
A:
Q: A chemical factory has been illegally disposing their chemical wastes without necessary…
A:
Q: A town requiring 20 m3/s drinking water has two sources, a local well with 60 g/m3 nitrate and a…
A: Drinking water requirement in town=20m3/s or 20 m3 of water per second nitrate in local well =60g/m3…
Q: In 2017, the atmospheric mixing ratio of CO2 is approximately 410 ppmv. In order to bring the…
A: Parts per million by volume is denoted as ppmv. It is given that 1 ppmv of CO2 = 2184.82 Tg…
Q: A chemical factory has been illegally disposing their chemical wastes without necessary…
A: Given, Site A B…
Q: 3What
A: In order to determine the ratio strength, let us first calculate the amount of benzalkonium chloride…
Q: 15. Calculate the mass of Cefaclor (purity 95% w/w) needed to prepare 250 ml of 500 ppm (w/V)…
A: Please find the attached solution below
Q: Mr. Roy, the principal of a reputed school organized a seminar in which he invited parents and…
A: Tranquilizers are neurologically active drugs that induce a sense of well-being and are used to…
Q: Fe(NO3)3(aq) Cu(NO3)2(aq) Submit 2 L 1 M Undo 1 L 2 M Reset Fe+ Fe3+ Fe NO, 3 L NO, NO, NO, NO,- 3…
A: The above mentioned question is explained below :
Q: You have an ointment that contains 40% (w/w) of ingredient Y and another ointment which contains 5%…
A:
Q: 789mK/s to uK/ms. Express your answer in three significant figures.
A: Given : value in mk/s = 789
Q: Consider the following addition of hydrogen bromide (MW = 80.91 g/mol, sold as a 33 wt. % solution…
A: wt% is a unit of concentration that represents the mass of solute (in g) present in 100 g of a…
Q: A chemistry lab with 22,000 cubic feet was contaminated with hydrogen sulfide. What will the average…
A:
Q: A 40 yo female suffering from anemia was prescribed ferrous sulfate (FESO, 7H20), to be taken one…
A: The required volume of syrup to be prepared = 8 fluid ounces. 1 fluid ounce = 6 teaspoon Total…
Q: 4AI203 + 3CH4→ 8AI + 3CO2 + 6H20 AH° rxn kJ exo ? endo thermic AH° = -1676 -75 -394 -242 kJ/mol…
A:
Q: A Hospital pharmacist wants to use three lots ZnO ointment containing repectively 50%, 20% and 5%…
A:
Q: n order to form Ba(IO3)2, 500 mL of 0.5000 M Ba(NO3)2 was mixed with 500 mL of 0.0500 M NaIO3. Ksp=…
A:
Q: The water sample from the polluted estuary (number 4), was then subjected to a series of…
A: Many problems in analytical chemistry begin with the need to identify what is present in a sample.…
Q: Calculate the concentration of concentrated HCl in molarity. Concentrated HCl has 38% (w/w) HCl and…
A:
Q: Assume a coal has a proximate analysis of C52H41S0.5N0.2O5. This coal is burned at a power plant to…
A:
Q: 1.Determine the mass of sodium chloride required to prepare 400 ml of a Mueller-Hinton broth…
A:
Q: In the Hoffman apparatus, the solution conducts electricity and water is decomposed to hydrogen at…
A: The Hoffman apparatus is used for the electrolysis of water. For electrolysis the water should be…
Q: A dilution of benzene in methanol is made by placing 1.5 mL benzene (density of benzene is 0.879…
A: Concentration of benzene can be calculated from the mass of benzene dissolved in solution.
Q: 6. Methane (CH,): greenhouse gas involved in regulating Earth's temperature and a by-product of…
A: Yyy
Q: STEP1 Put some FeS particles into a big tube. Add 1 or 2 mL of 18% HCl solution onto FeS particles.…
A: The reaction that takes place when FeS reacts with HCl is expressed as,…
Q: ACCident Or Murder? You are a forensic scientist. You are investigating a murder involving poison.…
A: C6H5CH3 is actually methylbenzene. Mass of benzene used to prepare methyl benzene as told by the…
Q: For the following table fill in the missing values and calculate the theoretical yield.…
A: According to the given data and the chemical equation, B is the limiting reagent in the reaction. It…
Q: The atomic hydrogen exists in space at an estimated concentration of one particle per cubic meter.…
A:
Q: What volume, in milliliters, of sodium acetate 1:150 (w/v) solution do you need to obtain 1.5 mEq…
A: The volume of sodium acetate solution (1:150 ; w/v) is 18.45 mL.
Q: 4) But the real angler continues, regardless of the local sage. What sort of tone does the author…
A: The sort of tone does the author create by using the connotative effects of the word sage in…
Q: 3. A 0.5g mixture contains SiO2 , NaCI & NH.CL. After Sublimation 0.4 g left was dissolved to…
A: The percent composition of the mixture containing SiO2, NaCl and NH4Cl is to be calculated. Given:…
Q: What is the concentration (in atm.) of TCE in the air at 25 C?
A:
Q: a. What mass of oxygen is used up to burn a full tank of 36.00 kg of gasoline? Text b. Why might a…
A: IMPORTANT POINTS : By stoichiometry mole of each reactant and product can be related by balanced…
Q: In an analysis of the content of carbohydrate present in a glycoprotein, the following results were…
A: Given that, in an analysis of the content of carbohydrate present in a glycoprotein, the results…
Q: Compare: capacity factor, k' I 0.18 0.16 0.14 0.12 0.1 11 0.08 0.06 0.04 0.02 0 the quantity in I is…
A:
Q: Write the dissociation equation and the Ksp expression for Ca3(PO42(s).
A: The Ksp expression is written from the dissociation reaction of any compound.
Q: NAOH (ag) + HCI NaCl (ag) + H20 (1) (aq) -> 31.88 mL of 0.09951 M NaOH was used to titrate 7.00 mL…
A: We will calculate moles of NaOH , then moles of HCl and at last molarity of HCl.
Q: A particle diagram is a symbolic representation of atoms and molecules at the microscopic level. Whi…
A: The combination of ions in an appropriate molar ratio produces an ionic compound. Example: potassium…
Q: a 25.00 mL aliquot of vinegar was diluted to 250 mL in a volumetric flask. Titration of 50.00 mL…
A:
Step by step
Solved in 3 steps
- 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 %3DA 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?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 |
- 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?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. CUnit 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
- 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.
- 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 HClBb 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 9/09/2021In this station, you will find a sample of table salt; the chemical formula of table salt is NaCl. Using the balance, weigh out 6.00 g of NaCl and dissolve in 50 mL of deionized (d.i.) water. Once com-pletely dissolved, add additional d.i. water to make the final volume of solution 100.0 mL. What is the mass percent NaCl in the solution? What is the molarity of the solution