a)
Interpretation:
The balanced chemical equation for the given reaction has to be written.
Concept Introduction:
Balanced chemical equation: In a
b)
Interpretation:
The no.of mole of gas produced by the reaction has to be calculated.
Concept Introduction:
Mole: The amount of substance containing as many elementary entities (atoms, molecules, ions, etc.) as there are atoms in 12 grams of carbon-12.
Mole calculation:
Mass Calculation:
Want to see the full answer?
Check out a sample textbook solutionChapter 6 Solutions
FUND.OF GEN CHEM CHAP 1-13 W/ACCESS
- The following data was collected for n-pentane and isopentane: Compound P, (kPa) n-pentane 282.9 at 70°C 895.5 at 120°C Isopentane 955.9 at 115°C 1152.4 at 125°C а) Develop a correlation for the vapor pressure of Isopentane as a function of temperature. Clearly state the units. b) Calculate the vapor pressure of Isopentane at 120°C. c) Estimate the heat of vaporization of Isopentane by using the data in the table. A closed container contains a mixture of 65.0 mol% n-pentane and 35.0 mol% isopentane. The system is initially all liquid at 120.0°C and high pressure and the pressure is gradually reduced at a constant temperature. d) i. Calculate the pressure (in kPa) at which the first bubble of vapor forms. ii. What is the composition (in mole fractions) of the first bubble of vapor at the conditions found in part (i)? A new mixture contains cyclohexane (Pv=288.3kPa at 120°C), n-pentane and isopentane at 120°C and high pressure. The pressure is reduced at constant temperature to a point…arrow_forwardFor the gas - phase equilibrium A(g) + 2 B(g) = C(g) the initial partial pressures of A, B, and C are all 0.300 atm. After equilibrium is established at 25 \deg C, it is found that the partial pressure of C is 0.220 atm. What is AG\deg for this reaction? (R = 8.314 J/mol ·K).arrow_forwardPotassium, a silvery metal, reacts with bromine, a corrosive, reddish liquid, to yield potassium bromide, a white solid. Write the balanced equation, and identify the oxidizing and reducing agents.arrow_forward
- For the following reactions, identify the atom(s) being oxidized and reduced:arrow_forwardThe formation constants at 25°C for Fe(CN)4-6 and Fe(EDTA)2– are 1.00 x 1037 and 2.10 x 1014, respectively. Answer the questions below. 1) Calculate K under standard conditions for the reaction Fe(EDTA)2−(aq) + 6CN−(aq) ----> Fe(CN)4−6(aq) + EDTA4−(aq) 2) Calculate ΔG° for the reaction. (kJ/mol)arrow_forwardPotassium superoxide, KO2, is used in rebreathing masks to generate oxygen according to the reaction below. If the mask contains 0.250 mol KO2 and 0.200 mol water, what is the limiting reagent? How many moles of excess reactant will there be once the reaction is complete? 4 KO2(s) + 2 H2O(ℓ) → 4 KOH(s) + 3 O2(g)arrow_forward
- (i) MnO is basic whereas Mn207 is acidic in nature. Why? (ii) Transition metals form alloys. Why? (iii) Complete the following equation: 2MnO4 + 4KOH + O2 ———>arrow_forwardIdentify the oxidized reactant, the reduced reactant, the oxidizing agent, and the reducing agent in the following reactions:arrow_forwardEthylene glycol, the main ingredient in antifreeze, contains 38.7% carbon, 9.7% hydrogen and 51.6 % oxygen. Calculate the empirical and molecular formulas for ethylene glycol. Given the molar mass is approximately 60 g/mol. A) Empirical formula: B)Molecular formula: Explain how you obtained the Molecular formula (b)?arrow_forward
- Complete the following precipitation reactions using balanced chemical equations:arrow_forward11.68 Acetylene (ethyne) gas reacts with oxygen and burns at 3300 °C in an acetylene torch. (7.4, 7.7, 8.6, 11.4, 11.5) a. Write the balanced chemical equation for the complete combustion of acetylene. b. What is the molar mass of acetylene? c. How many grams of oxygen are needed to react with 8.5 L of acetylene gas at STP? d. How many liters of CO2 gas at STP are produced when 30.0 g of acetylene undergoes combustion?arrow_forward75 mL of 0.300 mol/L sodium phosphate solution is combined with 67.5 mL of 0.350 mol/L calcium bicarbonate. a)Before you begin your reaction, you must accurately produce 1.500 L of your sodium phosphate solution from sodium phosphate trihydrate solid. Write out a procedure to explain all the steps you will take in the lab when making the solution to ensure that your solution concentration is accurate. Please include calculations that show the required mass of solid. Also include the correct names of all equipment used. b)You have a super powerful microscope in your lab! You are able to zoom in on your sodium phosphate solution and take a picture at the molecular level. Label the diagram on the left with the correct choices from the box on the right. You may use arrows or rewrite the symbols in one appropriate place. c)In one sentence, explain what the diagram is showing.arrow_forward