Q: For solid solutions, check all that applies: V A. For the case of an interstitial solid solution of ...
A: The solution is as follows:
Q: Which of the following is the best option for transferring 20 mL of a solution? A Use a 5ml serologi...
A: Since you have posted multiple questions, we are entitled to answer the first only.
Q: The hydroxide ion concentration, [OH-], of an aqueous solution of 0.406 M ammonia is ______ M. The ...
A: 1. NH3 (aq) + H2O (l) ⇌ NH4+ (aq) + OH- ...
Q: Draw the Lowest Unoccupied and Highest Occupied orbitals for this. a) Lowest Unoccupied b) Highest O...
A: lowest unoccupied orbitals means the lowest energy level where electron density = 0 Highest occupied...
Q: Suppose a 250. mL flask is filled with 0.50 mol of Br,, 0.10 mol of BROCI and 0.40 mol of BrCl. The ...
A: Calculate the equilibrium molarity of OCl2 ?
Q: When is the fugacity equal to the partial pressure of a gas? O Fugacity is equal to partial pressure...
A: Given : We have to explain whether fugacity is equal to partial pressure of gas.
Q: interconversion of energy between two forms: heat alu 13. The First Law of Thermodynamics states tha...
A: 13. The First Law of Thermodynamics states that energy can be created or destroyed. Answer : The F...
Q: 4) Predict the mechanism and the reactants to synthesize the following: C. В. A. t 10: :CI:
A: We have find out the starting compound and reagents
Q: 3. Lead is said to be a "heavy" substance because it has a large C. Pressure D. Volume A. Density B....
A: Usually heavy means it has high weight.
Q: For the following reaction, use the identity of the alkyl halide and nucleophile to determine which ...
A: Nucleophilic substitution reactions (SN) : Types 1. SN1 2 . SN2 1. SN1 (Unimolecular Nu...
Q: Ammonium perchlorate (NH CIO) is the solid rocket fuel used by the U.S. Space Shuttle. It reacts wit...
A: Ammonium perchlorate decomposes into nitrogen, chlorine, oxygen, and water. The equation for the bal...
Q: the formula for lactose (shown above), the ring on the right is locked and will not re-open easily. ...
A: Given statement is false
Q: What is polarity in chemistry
A: It is a physical property of compound which relates other physical properties such as melting point,...
Q: Calculate the number of moles required to make 150 mL of a 5.5M solution of CuSO4. For all answers ...
A:
Q: At a certain temperature the rate of this reaction is second order in SO3 with a rate constant of 4....
A: For the second-order reaction, the sum of the exponents in the rate law is two. The rate of second-o...
Q: Why are some metabolic reactions coupled to the hydrolysis of ATP? To bypass metabolic regulation To...
A: During the hydrolysis of ATP, the free energy is released.
Q: A solution contains 1.5 moles of Na,SO,. How many equivalents of each ion are present? A) 1.5 moles ...
A: The number of ions present are : => 3.0 moles of Na+ and 1.5 moles of SO42- ---> option(B)
Q: Draw the hyperconjugation interaction that lessens the electrophilicity of the carbonyl on the struc...
A: The answer is as follows:
Q: The average life expectancy in the United States is 78.7 years. Assuming there are 365.25 days in a ...
A: Given that , average life expectancy of US is 78.7 years And given 1 year = 365.25 days Complete ...
Q: A mixture of He, Ar, and Xe has a total pressure of 2.80 atm. The partial pressure of He is 0.450 at...
A: Dalton's law of partial pressure: According to this law, the total pressure exerted by a mixture of...
Q: Create a model of the atoms of a substance moving through the solid, liquid, and gas states. Be sure...
A:
Q: Hi, please answer where it is labeled 1. (NOT 2.)
A: The answer is as follows:
Q: Determine the concentration of 7.13 g zinc nitrate (MW = 189.4 g/mol) dissolved in 200.0 mL distille...
A: The solution is as follows:
Q: A first order reaction is found to have a half- life of 1.2 seconds. This reaction is initiated with...
A: The rate constant (k) for a first-order reaction can be calculated from the half-life time t12. It c...
Q: GENERAL CHEMISTRY 2 (STEM Fay M. Lafable GI Name: Clyme lified True or False Cons: Write CHEMISTRY i...
A: The third postulate of KMT is-
Q: For the reaction 2HI(g) H2(g) + 12(g), K = 0.290 at 400 R. If the initial %3D concentrations of HI, ...
A: We have to predict the nature of reaction and Correct statement.
Q: Which of the following statement/s is/are TRUE? The Arrhenius Theory cannot be applied to account ...
A: 1) statement 1 is correct. The Arrhenius Theory cannot be applied to account for the behavior of the...
Q: 3 mol % Bi(NO3)z*5H2O H,O, rt 3 mol % Bi(NO3)•5H,O H CH;CH,OH, rt
A: Given : We have to make the product for the given reactions.
Q: What is the IR of this compound ? with clear peaks
A: Infrared spectroscopy (IR) falls under the infrared region of electromagnetic spectrum and used to i...
Q: Which of the following glassware is best used for slow dispensing of 47.00 mL of a solution?
A: Different experiment have different requirement
Q: Which of the following is/are TRUE about Galvanic cell? I. The Gibbs Free Energy of the cell is nega...
A: Answer: Galvanic cell is an electrochemical cell in which redox reaction takes place.
Q: Which of the following describes an electrolytic cell? The energy is transformed from chemical to el...
A: Answer An electrolytic cell electrical energy convert into chemi...
Q: Aqueous aluminum bromide and aqueous sodium hydroxide are combined. Write the molecular, ionic, and ...
A: Given: Reaction between aluminium bromide and sodium hydroxide.
Q: There are two possible tautomers for histamine. Which one is more stable and why? HN- NH3 NH3 A
A: The two tautomers given are,
Q: The analysis of a compound gives the following percent composition by mass: C: 57.28 percent; H: 9.3...
A: Let the mass of compound = 100 gram Therefore., Molar Mass of Carbon = 57.28 gram Mass of Hydrogen =...
Q: 4. A solution of 2.5 x 104M NazS2O3 was used for the iodometric titration of an ozone- containing sa...
A:
Q: Choose the correct hybridization for the atom indicated in the molecule below. CH 3CH 2CH 2CH 3 sp2 ...
A:
Q: Another experiment requires you to take 25.0g of zinc chloride and add it to 175.0mL of water? What...
A:
Q: Which of the following equilibria would not be affected by pressure changes at constant temperature?...
A: Answer: Pressure of any system of given volume at constant temperature is always directly proportion...
Q: product, determine the time for A to reach 1.438 M. Use the given: initial concentration of 2.553 M ...
A: For 1st order kinetics, kt = ln(Ao/A) Where, k = rate constant t = time Ao = initial concentrati...
Q: Determine whether the following items pertain to physical or chemical properties of matter. Write P ...
A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for yo...
Q: 2 CO(g) + O2(g) +2 CO2(3) K = 6.1 x 105 If [CO] = 0.00100M and [O2] = 0.00127 M, determine [CO2], in...
A: The given balanced chemical reaction is: 2 CO(g) + O2(g) <--------------> 2 CO2(g) The Kc expr...
Q: What is the appropriate size of volumetric flask to use if you want to dilute a 75.00 mL solution of...
A:
Q: 1. SOCI2 2. Et,CuLi 3. (a) LİAIH4 (b) H2O OH
A:
Q: The standard cell potential for the reaction at 298.15 K: Fe (s) + Zn2+ (aq) ⇋ Fe2+ (aq) + Zn (s) i...
A:
Q: 4. What is the molarity of K* in a solution that contains 63.3 ppm of K3FE(CN)6(329.3 g/mol)?
A: Given, A aqueous solution contains 63.3 ppm of K3Fe(CN)6
Q: What is the appropriate size of volumetric flask to use if you want to dilute a 75.00 mL solution of...
A:
Q: Consider the weak acid H2A and its Conjugate base HA-. Which diagram below represents a buffer solut...
A:
Q: Materials and detailed methods: paragraph or two explain how the experiment was done Raw Data: W...
A: Diels -Alder reaction takes place in reactions between conjugated diene and an alkene. In this react...
Q: QUESTION 4 Which of the following compounds cannot hydrogen bond? O CH3NH2 OCH3CH(OH)CH3 O (CH3CH2CH...
A:
finish the reaction
Step by step
Solved in 5 steps with 4 images
- Differentiate between circumstances for the use of nRln(V2/V1) ??? Cvln(T2/T1) in calculating change in SWhen nitric acid is produced industrially, nitrogen monoxide, NO, is first formed at high temperature. Bakefetr reacts NO on cooling further with oxygen to nitrogen dioxide: 2 NO(g) + O2 ⇌ 2 NO2 (g) Table 1: Thermodynamic data at 25°C. Bond ΔfHom Som Cop,m NO(g) 90.25 210.76 29.34 O2(g) 0.00 205.14 29.36 NO2(g) 33.18 240.06 37.20 1) Calculate (with all relevant intermediate calculations) the standard reaction Gibbs free energy, ΔrG25o, for reaction (1) at 25°C from the data in Table 1 2) Calculate (with all relevant intermediate calculations) the equilibrium constant K25, for reaction (1) at 25°C. 3) Industrially, however, the reaction does not proceed at 25°C but at 500°C. Therefore, calculate (with all relevant intermediate calculations) the standard reaction Gibbs free energy, ΔrG500o, for reaction (1) at 500°C under the assumption that the standard molar heat capacities, Cop, in Table 1 are independent of temperature in the interval [25°C, 500°C]P3B.7 A block of copper of mass 500 g and initially at 293K is in thermalcontact with an electric heater of resistance 1.00 kΩ and negligible mass. Acurrent of 1.00A is passed for 15.0 s. Calculate the change in entropy of thecopper, taking Cp,m = 24.4 JK−1mol−1. The experiment is then repeated with thecopper immersed in a stream of water that maintains the temperature of thecopper block at 293K. Calculate the change in entropy of the copper and thewater in this case.P3B.8 A block of copper (Cp,m = 24.44 JK−1mol−1) of mass 2.00 kg and at0 °C is introduced into an insulated container in which there is 1.00molH2O(g) at 100 °C and 1.00 atm. Assuming that all the vapour is condensed toliquid water, determine: (a) the final temperature of the system; (b) the heattransferred to the copper block; and (c) the entropy change of the water, thecopper block, and the total system. The data needed are given in ExerciseE3B.7a.
- Calculate the ΔH°f of C6H12O6(s) from the following data: Show the complete and step by step solution ΔH combustion of C6H12O6(s) = -2816kJ/mol ΔH°f of CO2 (g) = -393.5 kJ/mol ΔH°f of H2O (l) = -285.9 kJ/mol Equation: C6H12O6(s) + O2(g) -> CO2(g) + H2O(l)A quantity of 1.00 x 102 mL of 0.500 M HCl was mixed with 1.00 x 102 mL of 0.500 M NaOHin a constant pressure calorimeter of negligible heat capacity. The initial temperature of the HCLand NaOH solutions was same, 22.50 0C, and the final temperature of the mixed solution was25.86 0C. Calculate the (a) heat of the reaction at constant pressure (qp) and (b) the change inenthalpy for the neutralization reaction (ΔHrxn) in kJ per mole of HCl. Assume that the densitiesand specific heat of the solutions are the same as for water (1.00 g/mL and4.184 J/g.0C, respectively).NaOH(aq) + HCl(aq) → NaCl(aq) + H2O(l)A pellet of benzoic acid standard was combusted in a bomb calorimeter to determine the experimental calorimeter constant. After 6 mins of monitoring the temperature, the bomb was fired. The following data were obtained. mole of benzoic acid: 0.0049 mol mass of burnt fuse wire: 0.0125 g qwire,surr: 5858 J/g ΔHcombustion of benzoic acid: -3228.0 kJ/mol Δng (combustion of benzoic acid): -0.5 mol R: 8.314 J/mol•K r1: 0ºC/min r2: 0ºC/min Tf: 30.4ºC Ti: 28.4ºC Determine the calorimeter constant (in J/ºC). Report your answer in 2 decimal places.
- Ca2+ and CO32- are dissolved in a beaker of sea water at 298 K, resulting in formation of a CaCO3precipitate:Ca2+ (aq) + CO32- (aq) ⇋ CaCO3 (s) ΔH0 = 13.44 kJ mol-1, ΔS0 = -120 J mol-1 K-1(i) Determine the direction of spontaneity under standard state conditions.(ii) Determine ΔG when [Ca2+] = 0.01 mol dm-3 and [CO32-] = 45 μmol dm-3. The activity coefficients of Ca2+ and CO32- in sea water are 0.28 and 0.21 respectively.In a closed system contains R-134a and it undergoes an isothermal process from state 1 to state 2. The initial tempetature and pressure of R-134a are 320 kPa and 400C respectively. ... The initial tempetature and pressure of R-134a are 320 kPa and 400C respectively. The final quality of R-134a is 50 percent.qsystem = -1834.3J, with a mZn = 34.8g (cZn = 0.390J/goC), What is the ∆T given the heat loss?
- dU = Cv dT + PT dV where Cv is the constant volume heat capacity and PT is the internal pressure. (a) Derive (∂V/∂T )_U in terms of Cv and/or PT. (b) If the molecules in the system are interacting through repulsive forces, then determine the sign PT of and (∂V/∂T )_U. Namely choose the sign: PT (<, = , >) 0 and (∂V/∂T )_U (<, = , >) = 0.Thermodynamics Quantities for Selected Substances at 298.15 K (25⁰C) Substance ∆H⁰f (kJ/mol) ∆G⁰f (kJ/mol) S (J/K-mol) Hydrogen H2(g) 0 0 130.58 Oxygen O2(g) 0 0 205.0 H2O(l) -285.83 -237.13 69.91 10. What is the ∆S⁰ in the combustion of hydrogen in the presence of excess oxygen yields water: 2H2(g) + O2(g) → 2H2O(l) in J/K?Consider the following reaction: H2(g) + ½ O2 (g) ------> H2O (g) The standard enthalpy of formation of gaseous H2O at 298 K is -241.82 kJ mol-1. Calculate the value at 153 0C. Given Cp,m for H2O(g): 33.58 kJ mol-1; H2 (g): 28.84 kJ mol-1; O2 (g): 29.37 kJ mol-1. Assume heat capacities are independent of T. NOTE:answer in kilojoules per mole (kJ/mol)
