Q: A gas mixture contains 10.0 mole% H 2O(v) and 90.0 mole% N 2. The gas temperature and absolute…
A: Given: χN2 is 0.1 χH2O is 0.1 As we know that the value of vapor pressure and partial pressure are…
Q: Find the temperature (in °C) at which 2.10 moles of chlorine gas filled in a 25.0L cylinder will…
A: Ideal gas equation: PV = nRT 1.25 x 25.0 = 2.10 x 0.0821 x T T = 181.25 K T = 181.25 - 273.15 oC…
Q: A sample of an ideal gas at 1.00 atm and a volume of 1.49 L was placed in a weighted balloon and…
A: Given, initial pressure (P1) = 1 atm Initial volume (V1) = 1.49 L Final pressure (P2) = 10 atm…
Q: A perfect gas undergoes isothermal compression, which reduces its volume by 2.20 dm3. The final…
A: SOLUTION: Step 1: The original volume (V1) is equal to the compressed volume 2.20 dm3 + final volume…
Q: A plastic bag is weighed and then filled successively with two gases, X and Y. The following data…
A: A plastic bag contains two gases X and Y . the given conditions are : Temperature = 0.0°C (273 K)…
Q: A sample of gas is manipulated so that its temperature (in K) triples and its volume is reduced to…
A: An ideal gas will follow the ideal gas equation. The ideal gas equation is given by PV=nRT, where P,…
Q: When a supply of hygrogen gas is held in a 4L container at 320K it exerts a pressure of 800 torr.…
A:
Q: An ideal gas is contained in a cylinder with a volume of 5.0 x 102 mL at atemperature of 30oC and a…
A: The temperature of 273.15 K is equal to 0oC. so, the temperature in kelvin for 30oC and 820oC is…
Q: The combined gas law states that for a fixed amount of gas, the quantity PVIT is constant. This is…
A: Step by step solution are below
Q: Xenon and fluorine will react to form binary compounds when a mixture of the two gases is heated to…
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Q: You start with an equimolar mixture of the gases SO₂ and O₂ in a container. The SO₂ and O₂ react to…
A: Ideal gas equation is given by PV=nRT where P is the pressure, V is the volume, n is the number of…
Q: When limestone (solid CaCO,) is heated, it decomposes into lime (solid CaO) and carbon dioxide gas.…
A:
Q: The following equations of state are occasionally used for approximate calculations on gases: (gas…
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Q: A sample of chlorine gas is loaded into a 0.25 L bottle at standard temperature (273K) of pressure…
A: We can solve it via two methods:- Method 1:-
Q: A sample of CO2 gas occupies 155 mL at 45 oC. What is the new temperature (in oC) When the volume of…
A: We have to calculate the new temperature.
Q: A 10.0 g sample of an unknown gas occupies 1.47 X 10-2 m3 at a temperature of 298 K (25 °C) and a…
A: The ideal gas equation is,PV=nRTP=pressureV=volume of gasn=number of molesnumber of moles =…
Q: An experiment was done to determine the value of the ideal gas constant (R). Hydrogen gas was…
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Q: 3. An investigator is told that a closed vessel holds a pure rare gas. She measures the density of…
A:
Q: A cylinder, with a piston pressing down with a constant pressure, is filled with 2.00 mole of a gas…
A: Given : Initial number of moles = n1 = 2.00 mole Initial volume = V1 = 45.0 L…
Q: A researcher prepared three flasks with 5.00L that is fixed with pressure gauges and small valves,…
A: Given: Molar mass of A = 16.04 g/mol. Molar mass of B = 20.18 g/mol. Volume = 5.00 L Mass of gases =…
Q: 10. Under what conditions will the behavior of a real gas best approximate the behavior of an ideal…
A: Real gases are the gases that do not obey the ideal gas law whereas all ideal gases must adhere to…
Q: An investigator is told that a closed vessel holds a pure rare gas. She measures the density of the…
A: The density of the gas, d = 0.8252 g/L Temperature of the gas, T = 298 K Pressure of the gas, P = 1…
Q: Three glass bulbs, joined by closed stopcocks, have the following volumes and initial pressures of…
A: Bulb A: 100. mL of H2S(g) at 190. torrBulb B: 200. mL of He(g) at 1.00 atmBulb C: 500. mL of N2 (g)…
Q: gas exerts 59.3 kPa on its container at 25.0 ºC. What temperature is needed to increase the pressure…
A: The question is based on the concept of Gay-lussac's law. it states that for a given amount of gas…
Q: (a) Nitrogen gas is made from sodium azide by the following reaction. If 3 mols of sodium azide is…
A: Since you have posted multiple unrelated questions, we are entitled to answer the first only.
Q: A scientist finds that the air trapped in a J tube occupies the volume of 62. 86 cm3 at 18 bar…
A: Since you have posted multiple questions with multiple sub-parts, we will solve the first three…
Q: A 1.05 g1.05 g sample of an unknown gas at 65 ∘C65 ∘C and 1.00 atm1.00 atm is stored in a 1.75 L1.75…
A: Pressure = 1 atm Volume = 1.75 L Temperature = 65° C = 338.15 K R = 0.082 L atm mol-1 K-1 Molar…
Q: You start with an equimolar mixture of the gases SO₂ and O₂ in a container. The SO₂ and O₂ react to…
A: The reaction for the process is: 2SO2 + O2 → 2SO3 We have equimolar mixture of SO2 and O2.…
Q: (SF) A certain reaction occurs, producing an oxide of nitrogen as a gas. The gas has a mass of 1.211…
A: The molar mass of gas can be calculated by using ideal gas equation PV = nRT Where P=…
Q: What is the molar volume of an ideal gas at 1.00atm and 0.00deg celsius?
A: Since its asking about molar volume. Hence calculating volume of 1 mole will give us the ans. Given…
Q: In any equation forms of the Ideal Gas Law, IGL, molar mass must be in what unit? a mol b kg/mol…
A: Given Ideal Gas Law Equation Unit if molar mass = ?
Q: The real gases do not follow the ideal gas law of PV = nRT, where P is the pressure, V is the…
A: The ideal gas law is PV = nRT P = pressure V = Volume n = no. of moles R = universal gas constant T…
Q: A sample of an unknown compound is vaporized at 110*C. The gas produced has a volume of 2100.mL at a…
A: We have given that Temperature = T = 110 + 273 = 383K Volume = V = 2100 mL = 2.1 L Pressure = P =…
Q: You start with an equimolar mixture of the gases SO, and O, in a container. The SO, and O, react to…
A:
Q: A 1.05 g1.05 g sample of an unknown gas at 65 ∘C65 ∘C and 1.00 atm1.00 atm is stored in a 1.75 L1.75…
A: The following information given in the question - (1) Mass of the gas = 1.05 g (2) Temperature of…
Q: For many purposes we can treat propane C3H8 as an ideal gas at temperatures above its boiling point…
A: As per the gas equation:P1V1T1=P2V2T2
Q: Which statement is false? Molecules of greater mass have a lower average speed than those of less…
A: The answer to the following question is-
Q: determine the ideal gas constant from the following experimental data: 7.7g of O2 gas 31 celsius…
A: GIVEN: Mass of O2 gas=7.7g Temperature(T)=31OC=304.15K Volume=40800 ml=40.800 L Pressure(P)=112 mmHg…
Q: Consider an ideal gas with an absolute temperature of T1. To what temperature would the gas need to…
A: The expression of Gay-Lussac’s law for two different temperatures and pressure is given by
Q: an experiment was done to determine the value of the ideal gas constant( R). hydrogen gas was…
A: We can determine the experimental value of the universal gas constant from the ideal gas law : PV =…
Q: A scientist isolates a sample of gas that occupies a volume of 678.1 mL at 104.3 kPa and 39.27 °C.…
A: Inert gas equation: - PV=nRT (104.3*0.01atm)*(0.678 L) = n * 0.0821*(39.27 +273.15) n = 0.0275…
Q: Calculate the following quantity for an ideal gas: The density of NO2 gas in g/L in a 4.50L tank at…
A: GivenVolume of Tank = V =4.50 LPressure of Tank = P = 760 mmHgTemperature of Tank = 25°C = (25 +…
Q: A small carbon dioxide gas cylinder used to propel paint balls has a mass of 56.3g. When all the gas…
A: The ideal gas equation is the relationship between the pressure, volume, and temperature of a gas.…
Q: 2.00 L container at 22.00C contains a mixture of 1.00 g H2 (g) and 1.00 g H2(g) and 1.00 g He(g). a.…
A:
Q: A sample of an ideal gas at 1.00 bar and a volume of 1.91 L1.91 L was placed in a weighted balloon…
A: According to the Boyle’s law, “at constant temperature and number of moles, the pressure of the gas…
Q: Which statement is false? O Molecules of greater mass have a lower average speed than those of less…
A:
A sample of 4.5 moles of an unknown gas occupies a volume of 1.6L at 23.2atm, what is the ideal temperature in oC for this sample of gas?
A student attempted to solve the above problem in the pic below, but made an error in the process. Identify the error or errors, solve the problem correctly, and provide the correct answer.
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- An enzyme-catalyzed reaction is studied in the absence and presence of an inhibitor and the following data was obtained. [S] in mmoles/L Velocity in mmoles/L/min-1 No inhibitor With inhibitor 1.25 1.72 0.98 1.67 2.04 1.17 2.50 2.63 1.47 5.00 3.33 1.96 10.00 4.17 2.38 Calculate the Km of the enzyme in the reaction without inhibitor ________________________ Km’ of the enzyme in the reaction with inhibitor ________________________ Vmax of the uninhibited reaction ________________________ Vmax’ of the inhibited reaction ________________________If the enzyme lactase has a Vo of 0.111111111111 mM per minute when [S] = 1.0 mM, and a Vo of 0.20 mM per minute when [S] = 5.0 mM, what is its Km? Calculate Vmax of the above enzyme (lactase). Calculate the slope on a Lineweaver-Burk plot (Km/Kmax) for the above enzyme (lactase).Calculate the slope on a Lineweaver-Burk plot (Km / Vmax) for the lactase reaction with inhibitor X. (inhibitor X changes lactase activity to a Vo of 0.10 mM per minute when [S] = 1.0 mM, and a Vo of 0.133333333333 mM per minute when [S] = 2.0 mM) 0.20 per minute 0.50 per minute 1.0 per minute 2.0 per minute 5.0 per minute
- a) Determine kcat (in units of sec-1) for a particular enzyme, given the following information: Vo = 144 mmol/min; [S] = 2 mM; Km = 0.5 mM; Enzyme Molecular weight = 40,000 micrograms/micromole; 8 micrograms of enzyme used in assay generating this data. b) In general, explain how the total enzyme concentration affects turnover number and Vmax?18. Jet is an undergraduate chemistry student, he’s out in the laboratory trying to determine the volatile organic compounds as well as overall protein content of the leaf and stem of a malunggay (Moringa oleifera). He subjected the leaf and stem in a separate digestion reaction (treatment of sulfuric acid), afterwards he subjected the products to high temperature induction to get a dry ash like substance. Which type/s of chemical analysis did Jet employ to reach his objective?I. Qualitative AnalysisII. Quantitative Analysis III. Instrumental Chemical AnalysisIV. Wet Chemical AnalysisA. II & IV onlyB. I & IV onlyC. I, II & IV onlyD. I, II, III, IVThe company performs accelerated ageing studies in which a suspension of D is stored at different temperatures. They obtain the degradation rate constants in the table below. Calculate the rate constant for degradation at 25 ºC. (45 % of marks) T / ºC k / d-1 40 0.28 50 0.56
- Three large proteins are ionized at the pH at which an electrical FFF separation is carried out. (i) if the ions are designated A2+, B2+, and C3+, predict the order of elution. (ii) What is FFF? (iii) List the four subtechniques of FFF.A chemist obtained the following data for percent lindane in the triplicate analysis of an insecticide preparation: 7.23, 6.95, and 7.53%. Calculate the 90% confidence interval for the mean of the the three data, assuming that (a) the only information about the precision of the method is the precision for the three data. (b) on the basis of long experience with the method, it is believed that s---->σ lindane. (c) If s=0.28 is good estimate of σ, how many replicate measurement should be made in order for the mean for the analysis of sample to be within 0.2% of the true mean 90% of the time.An enzyme-catalyzed reaction has a Km of 1.4 mM and a Vmax of 7 nM/s. What is the initial velocity when the substrate concentration is 0.6 mM?
- Calculate the solubility of BaSO4 solid in 0.0167 M Ba(NO3)2 solution, taking into account its activity.(Ksp 1.1x10-10 for BaSO4; activity coefficients for Ba++ and SO42- ions are 0.46 and 0.44, respectively)Write down the defect chemistry equationfor introduction of SrTiO3 in BaTiO3using the Kröger-Vink notation.The Ksp of Al(OH)3 (MM: 78) is 1.90 xx 10^(-33). a) What is the solubility of Al(OH)3 in g/L?