Q: Determine enthalpy of activation, entropy of activation, free energy of activation (25 degC)
A: Given:
Q: . Osmotic pressure is influenced primarily by an osmotic gradient between two solutions which are se...
A: When a solution is separated by semipermeable membrane from water , a pressure must be applied to so...
Q: Ethylene glycol contains 38.7% carbon, 9.7% hydrogen, 51.6% oxygen, and a molar mass of approximatel...
A: First of all we will calculate the empirical formula by dividing percentage mass by their atomic mas...
Q: An element has three naturally occurring isotopes with the following masses and abundances (in paren...
A:
Q: MGCO; fillers to PVC. True O False O
A:
Q: A gas cylinder with a volume of 2.50 m' contains 1.00 kmol of carbon dioxide at T= 300 K. Use the SR...
A:
Q: Predict the sign of AS and then calculate AS for each of the following reactions. (This problem requ...
A:
Q: Calculate the concentrations of all species in a 0.840 M Na, SO, (sodium sulfite) solution. The ioni...
A:
Q: Predict the sign of AS and then calculate AS for each of the following reactions. (This problem requ...
A: Entropy is the measurement of disorderness or randomness. Gaseous particles have more randomness in...
Q: Calculate the [NH3] in a solution of 0.610 M ammonium fluoride (NH,F). Hint: Use the Ka of HF (6.8 ×...
A: The correct Kc value is given below
Q: What number of molecules (or formula units) are present in 3.07 g of each of the following compounds...
A: Given, Mass of each compound = 3.07 g Then, Find number of molecules in = ? a). NH3 b). N2H4 ...
Q: picture shows the grabber protein backbone and the 4 Mg++ ions as pink balls. The picture to the rig...
A: We have to tell how Mg2+ held in the cavity of the grabber protein backbone. More specifically we ha...
Q: For items 1-3, refer to the equation: CH4(9) + 202(9) → 2H2O1) + CO2(9), with AH equal to -809.94 kJ...
A: 1) , 2) , 3) Given :- The given reaction is CH4(g) + 2O2(g) → 2H2O(l) + CO2(g) ΔH = -809.94 kJ/mol...
Q: Given the reaction: 3H2(g) + N2(g) ⇌ 2NH3(g) Calculate the Kp if Kc is 0.105 at 472°C. Use the formu...
A:
Q: Which of the following statements is TRUE about activities? The activity coefficient of an ion incre...
A: Here we have to tell about statements that which are true or false. These are regarding about activi...
Q: Kindly solve a structure based on IR spectrum. The crude product name is 5-oxo-1-phenyl-3-pyrrolidin...
A: A question based on IR spectrum that is to be accomplished.
Q: rite the net ionic equation for the quilibrium that is established when ssolved in water. + H20(e) h...
A: Potassium Fluoride(KF) is a salt. It hydrolysis reaction is below, KF(aq.) + H2O(l) ---> KOH(aq.)...
Q: Answer with the word true or false and correct the error if any (answer five) 1- The total energy of...
A: Since you have posted a question with multiple sub-parts,we will solve first three sub-parts for you...
Q: Given the following data 2 CIF(g)+ O2 (g) Cl, O(g) + F,0(g) 2 CIF3 (9) + 202 (g) → Cl, O(9) + 3F,0(g...
A: The enthalpy change is a state function and the Hess law states that the change of enthalpy in a che...
Q: Problem solving of Sy1 and Sy2 reactions Specify the following reactions whether SN1 / S,2, then sho...
A:
Q: Σ *00 FL II O CHEMICAL REACTIONS Identifying the limiting reactant in a drawing of a mixture The dra...
A:
Q: B10
A: Correct option is B
Q: Answer with the word true or false and correct the error if any (answer five) 1- The total energy of...
A: 1) true 2) true 3) true 4) false 5) true
Q: If 1.164 g of metallidc cobalt react with chlorine gas to give 3.265 g of cobalt chloride, what is t...
A:
Q: When 26.0 g of NaCl, are dissolved in 0.5 kg of water, what is the freezing point of this solution? ...
A: Colligative properties: The colligative properties are those properties of solutions that depend on ...
Q: What are your preconceived notions about toxicology and safety of cosmetics?
A:
Q: Given the HCP crystal diagram, what is the index (vector/plane) as indicated inside the unit cell gi...
A: Answer: The hexagonal close packed crystal diagram (HCP) is shown here.
Q: Natural cements only used in specialized mortars. Made from calcintion of clay-rich limestones True ...
A: Cement : It is the binder which is used to bind the two materials together by its property setting a...
Q: Polymer blends are Physical .Mix True O False O Condensation polymerization faster than Addition pol...
A: A question based on polymer that is to be accomplished.
Q: The compound CH¿Br2 produces a cluster of six molecular ion peaks, three of which are more prominent...
A: A question based on mass spectrum that is to be accomplished.
Q: Determine the pl for this synthesized pentapeptide: A-B-C-D-E Given that the pK values for the amino...
A: Amino acid are biomolecules which have both acidic and and basic group We are required to find the ...
Q: а. cat. HySO. b. OH HBr
A:
Q: A sample of phosphorus with a mass of 0.500 g is ignited to produce phosphorus oxide in a stream of ...
A:
Q: hydroxide is required to prepare one liter of 4N calcium hydroxide solution? Choices: 2, 1, 3, 4
A: Normality (N) = Molarity(M) × Valence factor Valency factor for base = number of OH- ions = 2 Mola...
Q: 2. A solution may contain any of the three group I cations. A white precipitate is formed the additi...
A:
Q: Draw the schematic diagram
A: Preparation of para-aminobenzoate also known as benzocaine occurs in two step. Step1: Preparation of...
Q: CH,CH,CHCH,, CH,CH,CH,CH,Br, (CH,),CCH,CH, and CH,CH,CH,CI Br CI
A:
Q: Predict the sign of AS° and then calculate AS° for each of the following reactions. (This problem re...
A:
Q: Predict the sign of AS° and then calculate AS for each of the following reactions. (This problem req...
A:
Q: 500
A: What are the molar concentrations of acetic acid (CH3COOH) and sodium acetate (CH3COONa) in an aqueo...
Q: Based on assumptions on complete ionization, the boiling point elevation caused by one mole of gluco...
A:
Q: For the following statements about chemical equations, check the boxes that represent true statement...
A: A chemical equation is a blue print that represents a chemical reaction. The reactants are represen...
Q: The cyclic voltammetry curve of (B) is depicted in Fig. 5. The potentials along the x-axis are given...
A: The half wave potential can easily be determined from the cyclic voltammetry curve of a particular c...
Q: Which of the ff. is NOT true about the activity coefficient? a. It increases as the concentration of...
A: The relationship between activity coefficient γ and concentration (c) can be given as: a=γ×c ...
Q: Write the chemical reaction between Brady’s reagent and acetaldehyde, benzaldehyde and propanone
A: Brady's reagent react with carbonyl compounds to form colored precipitate.
Q: 7) A 100.0 mL sample of 0.10 M Ca(OH)2 is titrated with 0.10 M HBr. Determine the pH of the solution...
A: Given, [Ca(OH)2] = 0.10 M Volume of Ca(OH)2 = 100.0 mL [HBr] = 0.10 M a). Determine the pH befor...
Q: Calculate the vapor pressure of a mixture containing 35.6 g of glucose and 5 mL of ethanol at 25°C.
A:
Q: 25.1a) Predict the product of the following reactions 1) -MgBr H. 2) Но b) 1) - MgBr 2) Hо
A: Organomagnesium compound are commonly known as Grignard reagent Here We are required to find the pr...
Q: 1. Consider the following chemical reaction which is first order with respect to H2 and second order...
A:
Q: What is the molar concentration of NaOH in a solution that contains 1560 ppm to give 750 ml.( Na=23,...
A: Parts per million (PPM) is a unit of measurement used when expressing a very dilute concentration le...
Step by step
Solved in 2 steps with 1 images
- The sublimation of carbon dioxide at -78°C is Calculate ∆Ssub when 24.8 g of CO2 sublimes at this temperature. (Mw (CO2= 44 g/mol)what is a precipation reaction? provide an exampleIn the standardization of HCl using pure anhydrous sodium carbonate as the primarystandard for methyl orange as an indicator, 1.0 mL HCl was found to be equivalent to 0.05gof sodium carbonate (MW =106). The normality of HCl is: