porous carbon for lithium-ion batteries

Q: 3. If liquid mercury has a contact angle, 9 of 140 with glass, which statement is correct? Liquid…

A: Cohesive force between the molecules of mercury are stronger than the adhesive force between the…

Q: Some data and the rate law for the reaction are given below. Time (s) [A] (M) 0 1.00 20 0.830 Rate =…

A: Chemical  kinetics is branch of chemistry in which we deal with speed at which rate of reaction…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 677.0 g sample…

A: When we heat a substance the temperature of the substance increases. The required amount of heat to…

Q: Consider the solubility of caffeine in water (structure provided below). Identify which ONE of the…

A: Here we have to see the solubility of water.  Just remember one thing that is organic compounds are…

Q: rite the expression for the equilibrium constant, Kc for this reaction. Predict whether the pH of…

A: Given Reaction:-  CaCO3(s) + CO2(aq) + H2O(l) ⇌ Ca2+(aq) + 2HCO3–(aq) Write the expression for the…

Q: Given Chemist needs to add 0.381g of N9₂003 (106g/mol) to a reaction mixture. the volume (me) Find…

A: Molarity of a solution is defined as the number of moles of solute present in 1 litre of a solution.…

Q: (4.2, Similar to For Practice 4.2) Write balanced equation for the combustion of hexane (C6H14) in…

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Q: 25-27 Carefully circle the isoprene units in the following terpenes, and label each compound as a…

A: a) Sesquiterpene  b) Monoterpene C) Sesquiterpene d) Sesquiterpene

Q: Compare whether the three molecules of SO3, SO2 and SO32- are polar or non-polar. Explain your…

A: Polarity is due to difference in electronegativity between two atoms.Electronegativity is defined as…

Q: 2. A beaker of water and a beaker containing a sugar solution were placed in a closed container at…

A: Since the sugar solution has lower molar fraction of water than other water beaker.(pure water)).…

Q: a 20 mL of EDTA titrant is required to titrate 40 mL of standard 0,25M CaCO3. A 70 mL hard water…

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Q: (5.9: Similar to Example 5.14) Use oxidation states to identify the element that is oxidized and the…

A: * An element which losses electrons that is an oxidized elements as well as it is a reducing agent.…

Q: How many valence electrons does N have? 07 O 14 02 0 3 05

A: Given-> Nitrogen (N) Valence electrons are electrons in the outer shell associated with an atom ,…

Q: What is the correct name for KNO₂? [Select] V anion. [Select] choose the correction cation and

A: Given in following question a compound KNO2 write this compound name and anion and cation.

Q: Measurements show that the enthalpy of a mixture of gaseous reactants increases by 104. kJ during a…

A: Hence reaction is endothermic..

Q: B. The contact angle for water on clean glass is close to zero. Calculate the surface tension of…

A: From the given date ,  The contact angle = 0  Cos (0) = 1 Temperature at °C = 30°C Height of water…

Q: boiling

A: According to the question, we need to determine the boiling point of a solution composed of 2.25 g…

Q: 2Br + 2K* → Br₂ + 2K MM of K-39.10 g/mol MM of Br₂159.8 g/mol R=8.314 J/mol-K F-96,485 J/mol-V 4.77…

A: In electrolytic cell, oxidation and reduction reaction takes place simultaneously. The oxidation…

Q: Time (s) [D] (M) 2D + E → D₂E 0 5.00 100 4.35 The reaction above is second-order in reactant D and…

A: Given reaction: 2D + E → D2E It is given that the reaction is second-order in reactant D. We have to…

Q: A particular reaction is identified as second-order in reactant A and has the concentration versus…

A: Chemical  kinetics is branch of chemistry in which we deal with speed at which rate of reaction…

Q: 5. Predict the shift in equilibrium (to the right or to the left) un- der the following conditions…

A: Given reaction: CaF2 (s) ⇌ Ca2+ (aq) + 2F- (aq) + heat We have to predict the shift in equilibrium…

Q: (5.7: Similar to For practice 5.11)The titration of a 20.0 mL sample of an H₂SO4 solution of unknown…

A: H2SO4 is a diprotic acid with 2 removable protons(H+). KOH is a monoacidic base that can give 1…

Q: Chemistry the unit is electro chemistry- grade 12:) How many H2O's must be added to the half…

A: According to the guidelines only one question is allowed to be solved at a time.  I am answering 1st…

Q: examine two mass spectra, and see that both of them have the same molecular weight, their…

A: According to the question, two mass spectra have the same molecular weight, but their fragmentation…

Q: Explain the need of adding MgCl2 ° 6H2O to EDTA solution before standardization

A: The need of adding MgCl2 ° 6H2O to the EDTA solution before standardization is that essentially, it…

Q: 1. Shown below, a student spotted the three-component mixture onto a TLC plate and developed it…

A: a) Depending on the polarity the analytes will be separated on the TLC plate. More the polar…

Q: OH t-Bu corresponds to a Haworth projection of trans-1,3-di-tert-butylcyclohexane. t-Bu t-Bu t-Bu…

A: Cis  -----> The substitutents on the two carbons are on the same face of the ring Trans  ---->…

Q: An experiment studying the decomposition of NO2 gas at 383 °C generates the plot shown below with a…

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Q: 1 2 3 4 5 6 Cr₂O3 Base RX 1 01 KNO3 H₂SO4 4 5- Isatoic Nitroisatin anhydride O N- Alkyl isatin…

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Q: The inside of a car on a hot summer day is 55.3 C. A balloon with a volume, inside the car of 755 mL…

A: Given,      T1 = 55.3℃  = (55.3 + 273) = 328.3 kelwin             V1 = 755 ml     T2 = 21.7℃ = (21.7…

Q: 42. What can serve as the electrode in the cathode compartment? Fe²+(s) O Fe(s) Ag(s) O None of the…

A: We have to compare which metal can act as best cathode among the metals given in question.

Q: Show how you might prepare the anti- inflammatory agent ibuprofen starting from isobutyl benzene.…

A: Here we are required to synthesize ibuprofen

Q: A + 2B C + 2D →>>> In trial 1, 1.8 x 10-4 moles of C are formed per second with no change in volume…

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Q: Which of the following is the number of moles of chlorine in 17.8 g of C6H4Cl4P2? FW C6H4Cl4P2 =…

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Q: What is the written lewis structure for C2H4BrCl and how many valence electrons?

A: Lewis structure : It is the simplest representation of the molecule , by which we get the idea about…

Q: 4. Remove SO₂ 5. Remove O₂ 6. Remove SO₂

A: Equilibrium constant , k  remains constant as long as temperature is kept constant.

Q: A solution of 0.125 M potassium nitrate (KNO3) at 298 K shows an osmotic 2. pressure of 5.69 atm.…

A:

Q: m b d Halogens Alkali Metals Alkali Earth Metals Noble Gases a. b. c. d. Inert. Do not react with…

A: The periodic table contains different elements arranged in the group and periods . The group one of…

Q: 3. Sodium chloride, calcium chloride, and urea have all been used to melt ice from sidewalks. If…

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Q: what is the mass percent for O in so3

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Q: Calculate AH for the reaction IF 5 (9) IF F. 2 (g) is 3(g) given the data below. IF + (g) IF (g) 3…

A: The enthalpy change is a state function and the Hess law states that the change of enthalpy in a…

Q: Propane can be turned into hydrogen by the two-step reforming process. In the first step, propane…

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Q: Ammonium phosphate ((NH₂), PO₂) is an important ingredient in many solid fertilizers. It can be made…

A: Phosphoric acid reacts with ammonia to form ammonium phosphate. The equation for the balanced…

Q: 23. Which species is the strongest oxidizing agent? 24. Which species is the strongest reducing…

A: The species that will oxidise other and itself reduces is called oxidizing agent  Where the species…

Q: CH3OH/H Na NaCN/H,O 2 H₂O LIAIH4 1. CH₂MgBr 2. H₂O H₂O/H30* CH3ONa CH3OH_ NH3

A: Acidic condition  -----> Nucleophile attacks on the greater substituted site of epoxide Basic…

Q: b. What is the molarity of the salt water solution?

A: (1b)    Given that -  Mass of salt NaCl = 12 g  Volume of water = 1 quart = 0.95 L = 950 mL  Density…

Q: The adsorption of a gas is described by the Langmuir isotherm with K-0.90 kPa" at 25°C. Calculate…

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Q: A bomb calorimeter, or a constant volume calorimeter, is a device often used to determine the heat…

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Q: b. The initial rate of the reaction was measured at several different concentrations of the…

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Q: (iii) At a temperature of 300 °C the free Gibbs energy is 25.0 kJ mol-¹. Calculate the equilibrium…

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