Q: Rank the alcohols in each group in order of increasing reactivity when dehydrated with H₂SO4. a.…
A: The dehydration of alkene proceeds via the formation of a carbocation intermediate. Hence higher…
Q: Question 4 A hydrocarbon A) hydrogen and oxygen. B) carbon and oxygen. C) carbon and hydrogen. D)…
A: In hydrocarbon the carbon atoms join together to form the framework of the compound, and the…
Q: What volume of hydrogen gas is produced when 45.3 g of iron reacts completely according to the…
A:
Q: skip if you already did this otherwise downvote
A:
Q: On reaction with a Lewis Acid (BF3OEt2) in dichloromethane, the reaction shown takes place, with…
A: To draw the series of reaction which are leading to the formation of product A and B when the given…
Q: Which of these two gases has the greater average molecular velocity? Flask A Flask B
A: average velocity of gas =8RTπM where T = temperature in K and M = molar mass of gas. and R =…
Q: III. Write the name of the following compounds.
A:
Q: What lab equipment and procedure need in extraction of beta-carotene from carrot.
A: Extraction is a separation process consisting of the separation of a substance from a mixture.…
Q: In a saturated aqueous solution of Ag₂SO4, the silver ion concentration is 3.11 x 10-2 M and the…
A:
Q: How many grams of carbon are in 1.13 x 1025 molecules of (carbon dixide) CO2 ?
A: Given, Number of molecules of CO2 = 1.13 x 1025 Mass of Carbon (C) = ? Note: molar mass of C =…
Q: The enthalpy of formation of H2O(l) is -285.8 kJ/mol. What is the enthalpy change if 1.62 g H2(g)…
A:
Q: The oxygen in water is primarily (99.8%) 16O, but water enriched with the heavy isotope 18O is also…
A: When Aldehydes and ketones undergo addition of water, the carbonyl carbon forms gem-diols.The…
Q: What distance in miles can you drive your new Prius hybrid, if your car gets 56.0 miles per gallon…
A: The distance can be calculated by the average of car and total amount of fuel in the car. It can be…
Q: Assume that water is an incompressible fluid with a density of 1000 kg/m³. Consider two points in a…
A:
Q: Classify each chemical compound: compound Mg (MnO4)2 H₂C₂O4 BaF₂ type of compound ionic O ionic…
A:
Q: TRANSPETTANCE 1962 2945 3000 capillary file between salt plates 2500 AVENUMBERS 2000 1371 1192 1004…
A:
Q: 1.Were the fatty acid propyl esters (biodiesel) formed in this reaction more or less polar than…
A:
Q: A sample of hydrogen gas collected at a pressure of 0.941 atm and a temperature of 295 K is found to…
A:
Q: Can you write out the condensed structure for molecule B
A: In the case of noncyclic organic molecules, we write the condensed structure by hiding all the sigma…
Q: Match the following aqueous solutions with the appropriate letter from the column on the right.…
A: Answer: Depression in freezing point of a solution containing non-volatile solute is: ∆Tf=i×Kf×m…
Q: A pycnometer is a glass flask with a tight fitting glass stopper that can be used to determine the…
A: Mass of clean pycnometer = 25.151 g Mass of clean pycnometer plus water = 42.481 g Initial mass of…
Q: How many grams of methanol should be massed on a scale if an experiment requires 5.25 mL of…
A:
Q: The elementary reaction 2 H₂O(g) 2 H₂(g) + O₂(g) = proceeds at a certain temperature until the…
A:
Q: QUESTION 21 An unconscious patient arrives at the ER. The patient is breathing heavily (panting)…
A: #Q.21: Given PCO2 = 40 mmHg pH of the H2CO3/HCO3- buffer system = 7.2 First, we have to find the…
Q: If 28.8 g of O₂ is required to inflate a balloon to a certain size at 32.0 °C, what mass of O₂ is…
A: Given, Mass of O2, w1 = 28.8 g Initial temperature, T1 = 32 °C Final temperature, T2 = 9 °C
Q: A sample of oxygen gas at a pressure of 1.11 atm and a temperature of 20.6 °C, occupies a volume of…
A:
Q: The following information is given for benzene, C6H6, at 1atm: AHvap(80.1 °C) = 30.7 kJ/mol boiling…
A:
Q: A prospector wants to know how much gold is in the ore that he has been mining. A sample weighing…
A: Mass of the gold sample taken for analysis = 11.2456 g 11.2456 g is diluted to 200.00 mL to form…
Q: Question 9: Solvent extraction A 150 mL aliquot of water contains 3.5 mg of compound X. (a) If the…
A: #Q.9: #(a): Volume of water, Vw = 150 mL Distribution ration, K = 120 Fraction needs to be…
Q: What functional group is indicated by the arrow? Percent Transmission (Transmitance) 0.8 0.6 0.4 0.2…
A:
Q: Shown below is the equilibrium between acetic acid and acetate. A H3C C. Acetic Acid -H pKa = 4.76…
A: we need to find the pH at which Acetic acid is 3/4 ionized.
Q: III. Write the name of the following compounds. 1. (NH4)2SO4 2. NaH₂PO4 3. Cr(CH3CO2)3 4. Sn(HPO4)2…
A:
Q: Synthesis: need to provide the likely organic products, keeping in mind regiospecificity and…
A: Organic reactions are those in which organic reactant react to form organic products. There are…
Q: No. 1 2 3a 3b 4a 4b 5 Procedure Mg ribbon + heat Sodium + HC1 Aluminum foil + Hydrochloric acid…
A: Answer is given below
Q: The rate of effusion of He gas through a porous barrier is observed to be 6.14 × 10-4 mol/h. Under…
A: Introduction Although the effusion phenomena had been recognized for a very long time, it wasn't…
Q: The hydrogen atom has a volume of approximately 6.2 × 10-³1 m³. What is this volume in each unit?
A: 1 nanometer (nm) = 1 × 10-9 meter (m) So, 1 nm3 = (1×10-9 m)3 Or, 1 nm3 = 1×10-27 m3
Q: Spontaneous chemical reactions proceed until they hit equilibrium. Once the reaction hits…
A: Spontaneous chemical reactions are reactions which takes place without the addition of external…
Q: Q: A worker’s exposure to solvents was monitored for a full shift. The results are presented in the…
A: TLV-TWA stands for Threshold Limit Value-Time-Weighed Average which is defined as the threshold…
Q: ... in water in dilute acid. ㅈ
A: Given : structure of reactant.
Q: The hydrogen atomic emission lines in the Balmer series are 656.2 410.1 nm... at what wavelength do…
A: The wavelength of line for the Balmer series is given to be 656.2 nm, 486.0 nm, 434.0 nm, 410.1…
Q: A sample of hydrogen gas at a pressure of 1.08 atm and a temperature of 269 °C, occupies a volume of…
A:
Q: The molar mass (to two decimal places) for Fe2(CO3)3 is ______________ g/mol.
A: Molar mass is mass of 1 Mole a substance.
Q: Which structural formula represents an unsaturated hydrocarbon
A:
Q: Use the following vapor pressure data to answer the questions: A B Liquid C₂H5Br CH3OH Vapor…
A: The vapor pressure can be used to predict the strength of intermolecular forces. The vapor pressure…
Q: 2. Draw the complete molecular orbital diagram (energy diagram like you have seen in class) for…
A:
Q: Liquid helium boils at −268.93 °C. What is the boiling point of helium on the Kelvin temperature…
A: Given , boiling point of He = -268.93 °c T°K = T°c + 273
Q: 1. Consider this compound: GH13 cô CH b) How many signals would this compound give in the 'NMR? You…
A: The proton NMR shows different signals for different types of proton (whose environments are…
Q: If 13.9 g of O₂ is required to inflate a balloon to a certain size at 36.0 °C, what mass of O2 is…
A: The relationship between the temperature, pressure, and volume of the initial and final state of an…
Q: Question 5 The functional group contained in the compound CH3CH₂OH is a(n) A) aldehyde. B) alkene.…
A: Organic compounds are those which contain carbon and hydrogen. A functional group is a substituent…
Q: Use the References to access important values if needed for this question. Two beakers are placed in…
A: Introduction The most practical way to express a solute's concentration in a particular solution is…
Step by step
Solved in 4 steps with 4 images
- The potential energy function for either one of the two atoms in a diatomic molecule is often approximated by U(x) a b = x22 x11 where x is the distance between the atoms. a. At what distance of separation does the potential energy have a local minimum (not at x = Express your answer algebraically. xmin b. What is the force on an atom at this separation? F(x = 2min)= N ∞)?Two particles with charges ?1q1 and ?2q2 are separated by distance ?.d. Arrange these scenarios according to the magnitude of the electrostatic (coulombic) potential energy. Ignore sign.Use the data given below to calculate the bond energies (Do) (in eV) of1H35Cl and 1H81Br molecules. Which bond is stronger? HCl Ve (cm^-1): 2991, De(cm^-1): 53194 HBr Ve(cm^-1):2649 , De(cm^-1): 34570
- Determine the second ionization energy of calcium (in kJ mol-1) from the given data (all in kJ mol-1): AH°[CaCl,(s)] = -796 AH¡[Ca(g)] = 178 AH°[CI(g)] = 122 First ionization energy of Ca(g) = 590 Electron affinity of Cl(g) = -349 Lattice enthalpy of CaCl,(s) = -2260 А 1150 В 1235 C 1093 D 1210Use the following data to estimate AH; for potassium bromide. K(s) + Br2 (9) - KBr(a) Lattice energy -671 kJ/mol Ionization energy for K 419 kJ/mol Electron affinity of Br -325 kJ/mol Bond energy of Br2 Enthalpy of sublimation for K 193 kJ/mol 90. kJ/mol AH = kJ/molThe lattice energy of magnesium sulfide is the energy change accompanying the process Mg2*(g) + + S2-(g) → MgS(s) Calculate the lattice energy of MgS using the following data: Mg(s) → Mg(g) AH° = 148 kJ/mol Mg(g) → Mg2*(g) + 2e- AH° = 2186 kJ/mol Sg(s) → 8S(g) AH° = 2232 kJ/mol S(g) + 2e-- s2-(g) AH° = 450 kJ/mol 8Mg(s) + Sg(s) → 8MGS(s) AH° = -2744 kJ/mol Mg2*(g) + S2-(g)→ MgS(s) AH°lattice = ?
- 10. Calculate the energy for vacancy formation in copper, given that the equilibrium number of vacancies at 1000° C (1273 K) is 2.2 x 1025 m³. The atomic weight and density (at 1000° C) for copper are, respectively, 63.5 g/mol and 8.4 g/cm³. Where: IIIIII - N₁ = Nexp exp(-X). KT N Q T N = N₁ P/Ncu is the total number of atomic sites. is the energy required for the formation of a vacancy is the absolute temperature in kelvins k is the gas or Boltzmann's constant = 8.62 x 105 eV/atom-K. NA is Avogadro's number 6.022 x 1023 atoms/mol P is the atomic density New is Atomic weight for copper. 2Define the term Paramagnetism?5. Use Periodic table to answer the following: (a) Which has higher ionization potential Cs or Li? Why? (b) Arrange the following elements in increasing order of valence electrons, Ca, Rb, Br and Xe.
- Which of the following is the correct representation of partial charges at the indicated atoms? a. I = δ+; II = δ–; III = δ– b. I = δ–; II = δ–; III = δ– c. I = δ+; II = δ+; III = δ+ d. I = δ–; II = δ+; III = δ– e. I = δ+; II = δ–; III = δ+The ionisation energy of potassium is 4.34 eV and the electron affinity of chlorine is 3.61 eV. The Madelung constant for the KCl structure is 1.748 and the closest distance between ions of opposite sign is 0.314 nm. On the basis of these data, calculate the cohesive energy of KCl. Compare this with the observed cohesive energy of 6.42 eV for the ion pair and comment on the reasons for any discrepancyCalculate the lattice energy of AgBr(s) using the following thermodynamic data (all data is in kJ/mol). Ag(s) ΔHsublimation = 265 kJ/mol Ag(g) Ionization energy = 711 kJ/mol Br-Br(g) Bond energy = 173 kJ/mol Br(g) Electron affinity = -345 kJ/mol AgBr(s) ΔH°f = -120 kJ/mol ______________ kJ/mol