he standard reaction entropy a

Q: 20. (I) Estimate the number of molecules you inhale in a 2.0-L breath.

A: 1mole = 6.022 *10^23particles = Molar mass = 22.4L  Where particles = ions, molecules, electrons,…

Q: Which amino acid listed in the pKa table may behave as a zwitterion at a pH of 7.0-7.4?

A: An amino acid acts as a zwitterion at its isoelectric point.

Q: The heat of fusion for gallium is 5.59 kJimol How much heat in kJ is required to vaporize 55.0 g of…

A:

Q: Differentiate Direct titration from Residual Titration. Kindly expound, because our learning…

A: There are mainly two type of titration in analytical chemistry, one is direct titration and another…

Q: volume of water did not need to be exactly measure or recorded in Titration?

A:

Q: If a system has 475 kcal475 kcal of work done to it, and releases 5.00×102 kJ5.00×102 kJ of heat…

A:

Q: The average rate of disappearance of ozone in the reaction 2O3(g) → 3O2(g) is found to be 8.8 × 10–3…

A: 2O3(g) -> 3O2(g) Rate of disappearance=8.8×10-3atm/time

Q: A solution is initially contained 16 g/L of SO, and 9 g/L of Ca". When equilibrium is finally…

A: Ionic strength of the solution = 0.14 M

Q: A test that could be safely used to distinguish a strong base from a weak base. O a. Electrical…

A: Electrical conductivity is the measurement of amount of electricity flow through the material or…

Q: 3. Circle the best substrate for a nucleophilic substitution reaction. HO. OCH, SH

A: In a nucleophile substitution reaction, the rate of the reaction depends on the nucleophilicity of…

Q: Draw a diagram of 2 amino acids and illustrate where the bond occurs. a. Encircle where the bond…

A: It is asked in the question to describe how peptide bonds are formed.

Q: Molecular Orbital Theory Let's construct an MO diagram for KrBr*, the krypton bromide cation. Let's…

A:

Q: HX → X- + H+ Ka = 6.61 · 10-5 H2A ty НА- + н+ Ka = 2.68 · 10-7 Calculate the Keg for the following…

A:

Q: When the nuclide gallium-67 decays by electron capture: The name of the product nuclide is The…

A: Given nucleus is gallium-67

Q: Directions: Identify the type of IMFA for the following substances and answer the questions that…

A: Type of intermolecular forces present in a molecule depends on the type of atoms and shape of that…

Q: Balance the following equation: X + 06 - - > 37C1 O 38CI 17 O 38A 18 O 37Ar 18 O 36K 19

A: If neutron and proton is too high in the nucleus, a neutron will decay by emitting a beta particle.

Q: If 120 grams of Na react with 80 grams of H2O, what is the limiting reactant? Theoretically, how…

A: % yield = Actual yield/ theoretical yield × 100

Q: Study the graph below, what is the relationship between the amount of carbon dioxide and the global…

A: The long-term heating of Earth's climate system caused by rising amounts of heat-trapping greenhouse…

Q: Sample Problem 6: A water sample was tested for iron content, but was diluted prior to obtaining the…

A: 100 mL diluted sample has a concentration of 0.891 ppm. We have to calculate the concentration of 10…

Q: Draw a calcium-based scum molecule made from a soap that was a SOLID at room temperature.

A:

Q: Silane is a gas that is used to prepare extremely pure silicon for use in semiconductors, such as…

A:

Q: An analytical chemist is titrating 150.6 ml. of a 0.6600 M sokution of diethylamine ((C,H,), NH) wth…

A: Given,  [(C2H5)2NH] = 0.6600 M  Volume of (C2H5)2NH in mL = 150.6 mL  [HIO3] = 0.1500 M  Volume of…

Q: a. What is the molarity of ZnCl, that forms when 25.0 g of zinc completely reacts with CuCl2…

A: Dear student since you have asked multiple questions but according to guidelines we will solve 1st…

Q: Fill in the nuclide symbol for the missing particle in the following nuclear equation. 214 Bi + 83

A: Nuclear reaction: The given reaction is a nuclear reaction. In the nuclear reaction, one nuclide is…

Q: How much NaOH in kg is required to neutralize 10 L of HCL at 25 wt.% As well, can you explain how to…

A:

Q: Draw and NAME a chiral fat that is a SOLID at room temperature. Draw and NAME a chiral fat that is…

A: Chiral fat is nothing but the molecule or the fat should posses atleast one chiral centre to show…

Q: c) 4 HCI(g) + O2(g) D2 2 CI,(g) + 2 H,0(g) (6)*0

A:

Q: Calculate the enthalpy of vaporization of water at its normal boiling point. ΔS° [H2O()] = 69.9…

A: We have to calculate the enthalpy of vaporization of water at its normal boiling point as follows in…

Q: A sample of carbon dioxide gas collected at a pressure of 0.745 atm and a temperature of 302 K is…

A: Given,  Pressure(P) = 0.745 atm Temperature(T) = 302 K Volume(V) = 0.631 L Gas constant ,R = 0.0821…

Q: How many milliliters of 0.125 M HNO3 are required to react completely with 1.30 grams of Ba(OH)2…

A: Given- Concentration of HNO3=0.125M Weight of Ba(OH)2=1.30 gram  Molar mass of Ba(OH)2=171.34…

Q: Copper(I) ions in aqueous solution react with NH3(aq)NH3(aq) according to Cu+(aq)+2NH3(aq)…

A:

Q: final temperature

A:

Q: Some elements do not produce a visible color during a flame test. However, the electrons are still…

A: Here we have to explain why some emission of radiations are colour and others are not during come…

Q: A chemical equilibria that involves reactant and products that are present in only one phase. O a.…

A: Equilibrium is a state of reaction in which rate of forward reaction become equal to rate of…

Q: Ca is 42 Mass =

A:

Q: Identify the most dominant intermolecular forces in the following compounds

A: Intermolecular forces depends upon electronegativity and bonding atmosphere.

Q: CALCULATE THE Concentration iron(III) thiocyanate ion [FeSCN2+] (M )

A: Insufficient information but I know the all data so I tried to solve it. If you have different data…

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A: The six major categories of that may be present in foods are needed to be discussed and the methods…

Q: Cyclohexanone is oxidized to adipic acid with the following equation. Twenty gram (20g) of…

A: Actual yield = 15 g  Theoretical yield = 25 g

Q: Calculate the volume (mL) of NaOH needed to prepare 2.5 mol of 0.100 M solution

A:

Q: What is the binding energy in kJ/mol Ag for silver-109? kJ/mol 47 H+ 62;n-→10 The required masses…

A: By using the formula of mass defect,  mass defect = (47*1.00783)+(62*1.00867)-108.9047 = 1.00085…

Q: Calculate the acid ionization constant (pKa) for the acid with a 0.775 M solution of a weak acid…

A: Given data of the following:: [weak acid] = 0.775 M = [HA]  pH = 3.38 pka = ?

Q: QUESTION 1 Consider the balanced chemical equation: CH4(g) + 2 02(9) CO2(g) +2 H20() It one reacts…

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly…

Q: Use the following options to determine which compound will be more soluble in pentane…

A: According to the concept of 'like dissolves like ' , polar solute dissolves in polar solvent and…

Q: A coper con wghing 3 gams is placal in a beaker of 250mL of tap water at a pHof 6.9. Approximate how…

A: GIVEN:-

Q: Calculate the free energy change for the following reaction and predict whether the reaction occurs…

A:

Q: Choose the IR spectrum of adipic acid. 02 4000 3000 2000 Wavenumber iom- 1000 А. В. TRANSMITTANCE

A: The IR spectrum of adipic acid  shows an intense vibration band present at 1700 cm −1 and another…

Q: An electronic vertical transition for a molecule is described in the following diagram. Based on…

A: Given electronic vertical transition:

Q: Net ionic C. LiBr(aq) + Pb(NO,):(aq) Complete ionic Net ionic d. K,SO4 (aq) + NaCl (aq) - Complete…

A:

Q: For a van der Waals gas: a Calculate AUm (in / mol-) for the isothermal reversible expansion of N2…

A: