Q: What are the basic concepts of a calorimeter?
A: The basic concepts of a calorimeter should be written.
Q: What is the unit of molar mass? What unit is it equivalent to?
A: What is the unit of molar mass? What unit is it equivalent to?
Q: chemical equation. H2O → H3 BO3 + H2S coefficient of H2S is 3. prk for developing the homogenous…
A: Balancing the reaction: Equalize the no. of same atoms on either side of the equation by adding…
Q: Consider the combustion reaction: C5H8 + 02-
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Q: Hydrogen reacts with carbon dioxide to yield water and carbon monoxide according to the equation. Is…
A: H2(g) + CO2(g) -----> CO(g) + H2O(l) The above reaction is exothermic in nature and enthalpy…
Q: Determine AG° for 2 NO2(g) → N2O«(g) at 25°C. Substance AGʻ1 (kJ/mol) NO2 (g) 51.3 N204 (g) 97.8
A: ∆GReactant = 51.3 KJ/mol ∆GProduct = 97.8 KJ/mol ∆G° = ?
Q: What is the symbol of moles in the ideal gas equation? Select one: a. n b. V c. P d. R
A: Ideal gas equation, PV = nRT Where, n is the symbol of number of moles P is the symbol of pressure…
Q: Pentaborane, B5H9, was once studied as a potential rocket fuel. Calculate the heat given off when 1…
A: 2B5H9 + 12O2 ------> 5B2O3 + 9H20 Enthalpy of reaction = Sum of enthalpies of products-sum of…
Q: How many moles does this reaction equation have?
A: The balanced equation is given in question.
Q: Write a balanced equation for the decomposition reaction described, using the smallest possible…
A: A Balanced Chemical Equation can be expressed by designating the stoichiometric coefficients of each…
Q: Consider the following chemical reaction and calculate the ΔHrxn using the data provided to the…
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Q: Compute for the required amount of the ingredients necessary to make 20g suppository. The photo…
A: Given that : We have to compute for the required amount of the ingredients necessary to make 20g…
Q: The complete combustion of Ethane (C2H6) in oxygen results in the production of carbon dioxide and…
A: A balanced chemical equation or reaction is the one in which the total number of atoms for each…
Q: what is ΔHcond for this substance
A:
Q: balance the following equation using principles you would for a real equation _____ J2X5 + _______…
A: The given unbalanced chemical reaction is as follows: J2X5 + MZ → JXZ3 + M2X
Q: When acetone, CH,COCH), is completely burned to carbon díoxide and liquid of formation, AHe, for…
A: Standard heat of formation of CO2 (ΔHfo) = -393.5 KJ/mol. Standard heat of formation of H2O (ΔHfo)…
Q: How much heat is released when 1.4 mol of hydrogen fluoride are produced
A: H2(g) + F2(g) = 2HF(g) ∆H= -536 kJ/mol
Q: You can get quicklime (CaO) and carbon dioxide (CO2) when you heat limestone (CaCO3). Compute for…
A: Using mole concept easily determines how much moles of reactant used and how much moles of products…
Q: a food contains 131kcal, 24 grams of carbohydrates. What percentage of kcals are from carbohydrates
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Q: mass of empty carlorimeter is 7.73g, mass of calorimeter + water is 46.875g, Calculate mass of…
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Q: Determine AG° for 2 NO2(g) – N2O4(g) at 25°C. Substance AG† (kJ/mol) NO2 (g) 51.3 N2O4 (g) 97.8
A: Given data, ∆Gof for NO2(g)= 51.3 KJ/mol And ∆Gof for N2O4(g)=97.8 KJ/mol Given reaction is,…
Q: what mass of h2o in grams will be generated by the complete combustion of 10.5 g of octane in excess…
A: The combustion of octane will give water and CO2.
Q: Write a balanced equation for the decomposition reaction described, using the smallest possible…
A:
Q: Determine AG° for 2 NO,(g) → N,O̟(g) at 25°C. Substance AGʻ† (kJ/mol) NO2 (g) 51.3 N204 (g) 97.8
A: Using gibbs free energy change of reactants and products, we can evaluate ∆G ° for the reaction.
Q: Consider the combustion of liquid CiHi in oxygen gas to produce carbon dioxide gas and water vapor.…
A:
Q: Dry the filter paper + AgCl(s) and weigh it. The following data is obtained : a. Mass of XCl2 :…
A: The unknown element X is Mg (Magnesium)
Q: Using the accompanying tables, determine. at 25C: C3HB() + 502(g)- 3 CO2(g) + 4H2O(g) the value of…
A: Given: The reaction, C3H8(l)+5 O2(g)→3 CO2(g)+4 H2O(g) Temperature, T=25°C=298 K
Q: Mn2+ + BiO3 → MnO4 + Bist Insert the coefficients for the balanced reaction. Use 1 if there is only…
A: Mn+2+BiO3-→ MnO4-+Bi+3Balancing it using half reaction menthod:-Now,
Q: Given the reactions below, answer the following questions. Cl2(g)+F2(g)2ClF(g) ΔG∘rxnΔGrxn∘ =…
A: Given chemical reaction:
Q: 4HCN) + 50 2(9) 2H2O(g) + 4CO2(g) + 2N2 Calculate AS using the table provided. Compound S mre HCN…
A: Consider the given balanced equation is as follows; 4 HCN l + 5 O2 g → 2 H2O g + 4 CO2 g…
Q: Determine AG° for 2 NO2(g) → N2O«(g) at 25°C. Substance AGʻ† (kJ/mol) NO2 (g) 51.3 N204 (g) 97.8
A: Determine ∆G° for the given reaction ---
Q: In order to solve for the moles, n, you must multiply both sides of the equation by the same…
A: Given Ideal gas equation PV=nRT
Q: During the production of ammonia, hydrogen is produced from the steam reforming of methane. In the…
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Q: Using the values provided in the table below, calculate AS for the following reaction: 2503(g)-Oy(g)…
A:
Q: Calculate ASsurr for the following reaction at 25 °C: N2(g) 2 N(g) AH°† (kJ/mol) S° (J/mol ·K) N2(g)…
A: The reaction given is, => N2 (g) ⇔ 2 N (g)
Q: For the following reaction: 5Ca + V2O5 --> 5CaO + 2V In one process 5 moñ of V2O5 react with 3…
A:
Q: Alexia determined the mass of her empty Styrofoam cup calorimeter was 1.4528 g. She then added…
A: By mass conservation : Mass of water in Alexia's cup = mass of cup + water - mass of empty cup…
Q: How many grams N2 (g) + 3H2 (g) SHOW WORK and
A: Introduction: The above problem can be solved by the concept of limiting reagent. Limiting reagents…
Q: The thermite reaction,Fe2O3 + Al -------> Al2O3 + Feproduces so much heat that the Fe product…
A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…
Q: The value of An, in the combustion reaction of methane is
A:
Q: 2) Write the balanced equation for the thermal decomposition of copper(II) sulfate hydrate, based on…
A: Given: Thermal decomposition of copper (II) sulfate hydrate. And the average ratio of moles of water…
Q: Show all calculations and steps: 9. Determine the amount (in moles) of 53.45 g of lithium…
A:
Q: A 0.565 g of CaH18 are burned in a constant volume calorimeter, the calorimeter temperature rises…
A: Introduction: We have to calculate heat of combustion of butane in one mole.
Q: At a given temperature, for which of these gases: H2(g); O2(g) is: a) the average speed less? b) the…
A: Given, H2 and O2 gas
Q: Mole fraction is defined as a. moles of one substance/grams of total material b. moles of one…
A: Mole fraction is defined as the number of moles of a substance divided by the total number of moles…
Q: CH3CH2CH2CH,CI (1 mole) AICI3, heat
A:
Q: Consider the unbalanced equation for the combustion of hexane: αC6H14(g)+βO2(g)→γCO2(g)+δH2O(g)…
A: The given unbalanced equation for the combustion of hexane is as,The above equation can be balanced…
Use the data and solve for Moles of CO2(g)
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- A mixture of ethanol (ethyl alcohol) and water contains 40.0% water by mass.(a) Assuming volume additivity of the components, estimate the specific gravity of themixture at 20°C. What volume (in liters) of this mixture is required to provide 150 mol ofethanol?(b) Repeat Part (a) with the additional information that the specific gravity of the mixture at20°C is 0.89045 (making it unnecessary to assume volume additivity). What percentage errorresults from the volume-additivity assumption?What is the Molecular weight of a certain volatile liquid which is placed in 225 g flask which has total capacity volume of 251.07 ml where after the liquid was heated to 94.5 oC, the gas volatilized and the weight of the flask measured 227.08g.? Round you answer in one decimal place1. The compressibility factor Z = PV/nRT for O2 at -27.1°C and 537.1 atm is 1.50; at 147.4°C and 95.5 atm, it is 1.02. A certain mass of oxygen occupied a volume of 3.28 L at 147.4°C and 95.5 atm. Calculate the volume occupied by the same quantity of oxygen at -27.1°C and 537.1 atm. 2. The composition of a mixture of gases in percentage by volume is 20.5% nitrogen, 15.7% carbon monoxide, 37.8% water, and the rest sulfur dioxide. Calculate the density of the gaseous mixture at 39.8°C and 1.46 atm in grams/liter. Report your answer to the hundredths position.
- Boyle’s law for confined gases states that if the temperature is constant, pv = c, where p ispressure, v is volume, and c is a constant. At a certain instant the volume is 75 cubic inches, thepressure is 30 psi, and the pressure is decreasing at the rate of 2 psi every minute. What is therate of change of the volume at that instant?6 Methods that employ separation of the product chemically through precipitation, with purification, drying and weighing of the resultant product: A. Spectrophotometric analysisB. Volumetric analysisC. Gravimetric analysisD. Gasometric analysis7 Phase changes involving fusion, except:a. Solid to liquidb. Liquid to solidc. Gas to liquidd. Gas to solidA diving bell has an air space 3.0m³ when on the deck of a boat. What is the volume of the air when the bell has been lowered to a depth of 50m? Take the mean density of sea water to be 1.025 g/cm³ and that the temperature is the same as on the surface? Show complete solution, and round the final answer up to 4 decimal places.
- Since the specific volume of nitrous oxide gas (N 2 O) at a pressure of 100 kPa and a temperature of 47 ° C multiplied by the compressibility factor is 0.453 m ^ 3 / kg, what is the compressibility factor of this gas?A 500 m2 botanical garden which harvest 1000 flowers per day of 15 variations, in a year the average rainfall is 170 cm/yr. With the rainfall 30% percolates into the ground and the rest are harvested in a spherical cistern. 35% of the cistern water is used for watering that percolates into the ground and the rest of water evaporate. Every day they sprinkled water from the cistern and dug wells. Of the dug well water, 75% evaporates and the remainder percolates back into the ground. (Steady State Condition) What is volume of rainfall in the botanical garden? Volume of water in the cistern Volume of water from the well Volume of water that evapotranspiration from the well Total Volume of water that repercolates into the groundA core sample is saturated with an oil (?o = 35oAPI), gas and water. The initial weight of the sample is 224.14 g. After the gas is displaced by water (?w = 1 g/cm3 ), the weight is increased to 225.90 g. The sample is the placed in a Soxhlet distillation apparatus, and 4.4 cm3 water is extracted. After drying the core sample, the weight is now 209.75 g. The sample bulk volume, 95 cm3 is measured in a mercury pycnometer. Find the porosity, water saturation, oil saturation, gas saturation and lithology of the core sample.
- A mixture of methanol and water contains 60.0% water by mass. Assuming volume additivity: If the actual specific gravity of the mixture is 0.9345: How many liters is required to provide 150 mol of methanol?ITEMS USED FOR EXPERIMENT: •Ring stand •Hot plate •125 mL Erlenmeyer flask•400 mL beaker•10 mL graduated cylinder •Aluminum foil•Rubberband•Paper Clip•Thermometer•Vial containing unknown liquid You know have the following data: Mass of flask + foil + rubberband: 78.637 gMass of flask + foil and rubberband+ unknown condensed liquid: 78.847 gTemperature of water bath: 100C = 373 KPressure of gas in our system: 29.02 inHg = 0.9699 atmVolume of gas in our system: 141 mL = 0.141 L 1. During the experiment, you collect the following data: Mass of flask: 80.001 g Mass of flask + unknown condensed liquid: 80.452 g Temperature of water bath: 100 °C Pressure of gas in our system: 0.998 atm Volume of gas in our system: 265 mL Which of the following number(s) need a conversion before they can be used? (Check all that apply) [ ] Group of answer choices [ ] Volume of gas in our system [ ] Mass of flask [ ] Temperature of water bath [ ] Pressure of gas in our system [ ] Mass of flask +…What is the volume of 1.337 moles of CO2 gas at S.T. P. ? Express your answer to 2 decimal places and use the proper abbrev iation for the UNITS