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Q: At 30 °C, a solution is prepared by mixing 22.8 g Na2SO4 with 175.0 g water. The vapor pressure of w...

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Q: Classify each of the following compounds as a strong acid, weak acid, strong base, or weak base, and...

A: The strength of the acids or bases can be explained with the help of dissociation constant of an aci...

Q: 12) At physiological pil. which amino acids act as axial heme iron ligands to cytochrome c? Illustra...

A: Amino acids combined to form proteins. They are those organic compounds which have both amino and ca...

Q: IT5.68 g of Na, CO, is dissolved in enough water to make 250. mL of solution, what is the molar conc...

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Q: Enter a molecular equation for the precipitation reaction that occurs (if any) when each pair of aqu...

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Q: How many moles of a diprotic weak acid with pkal = 4.1 and pka2 = 9.3 are in solution if addition of...

A: The answer is as follows:  

Q: If the mineral pyrite, FeS, is heated strongly in air, Iron (III) oxide and sulphur dioxide are prod...

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Q: What is the volume of a 0.55 M solution that contains exactly 16.17 g of Calcium Hydroxide. answer s...

A: Please find your solution below : Molarity is a measure of concentration and is defined as number of...

Q: Two ideal gas systems undergo reversible expansion under different conditions starting from the same...

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Q: A compound is found to contain 52.13 % carbon , 13.15 % hydrogen , and 34.72 % oxygen by mass. To an...

A: Answer :-  1) Empirical formula of the compound = C2H6O  2) Molecular formula of compound = C2H6O  -...

Q: Calculate the pH of a solution that is 1.8*10^-3 M morphine if the pKa of its conjugate acid is 8.21

A: We have to predict the pH of the morphine solution.  

Q: THE CHEMISTRY OF CANDY: MAKING TAFFY The ingredients in taffy contain sucrose, glucose. and triacylg...

A: The ingredients in taffy making is glucose,sucrose,corn syrup, triglycerides.

Q: Complete combustion of a 0.10-mol sample of a hydrocarbon, CxHy, gives 0.400 mol of CO2 and 0.50 mol...

A: Answer: Compounds always react in their stoichiometric ratio shown in the balanced chemical reaction...

Q: Why it is important to study material chemistry in reference to engineering, especifically, Industri...

A: Materials chemistry concerns the usefulness of chemistry for the innovation & synthesis of mater...

Q: Solid KI has the so-called aCl structure. The shortest distance between the centre of a potassium ca...

A: Edge length of cube = 707pm

Q: Consider the reaction for the combustion of octane (Cs H18). 2C H18 +2502 16CO2 + 18H2O Part A How m...

A: A) The given reaction for the combustion of octane is, 2C8H18 + 25O2 ---> 16CO2 + 18H2O From the ...

Q: Activity 3- Fill in the Table Can you do it for carbon isotopes: carbon-12, carbon13 ai has an atomi...

A: Isotopes are elements having same atomic number and different mass number  For example  Hydrogen has...

Q: Explain in a more clinical detail the mode of actions of the following on the human skin cell or tis...

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Q: Which metals form cations with varying positive charges?

A: In this question we have to explain metals from cations with varrying positive charges.

Q: grams

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Q: Show how the cyclization of D-glucose What is a reducing sugar? How was it measured?

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Q: i) Draw the tripeptide EFH in its predominant ionization state at pH 5. ii) If this tripeptide was p...

A: Given tripeptide: EFH  

Q: Q-I: For this energy diagram, associated with rotating the carbon-carbon bond structure, draw Newman...

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Q: The systematic name for an ionic compound with the fomula, MnSO4 H2O is

A: IUPAC nomenclature in inorganic chemistry is used for naming the inorganic compound.

Q: An untested explanation of a series of experimental observations is called is a tested/testable and ...

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Q: The reaction between iron(II) (Fe2+) and dichromate (Cr, 0-) in the presence of a strong acid (H*) i...

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Q: to deprotonate th

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Q: If the Ka of a monoprotic weak acid is 4.7 x 10-6, what is the pH of a 0.49 M solution of this acid?...

A: Given Ka = 4.7 x 10-6 C = 0.49 M  

Q: Define electrolysis. A)Process using chemical energy to cause a nonspontaneous process to occur B)Pr...

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Q: A compound contained 4.6g Na, 2.8g N, 9.6g O. Find the empirical formula. (RAM data Na = 22.99, N = ...

A: In empirical formula problem first we determine mole ratio of given atom

Q: At 25°C, the degree of dissociation for the reaction: N2O4(g) 2 NO2(g) is 4.94%. If 0.0500 mol of N2...

A: Given reaction is : N2O4 (g) <---------------> 2NO2 (g) Degree of dissociation = 4.94%  Moles ...

Q: 2) Follow the flow of electrons indicated by the curved arroWs in the reaction and predict the produ...

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Q: 4. A copper rod was purified by using it as the anode in the electrolysis of a 1.0 M copper (II) sul...

A: Anode is the electrode on which oxidation takes place and Cathode is the electrode where reduction t...

Q: How will you know which ions to include in the net ionic equation of NaCl(ag)+ AgN03(aq) -> AgCI(s) ...

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Q: Create a graphic organizer comparing ionic, non-polar covalent, network covalent, polar covalent, an...

A: Covalent bond is formed by sharing of electrons. It is formed by Overlapping of different types of o...

Q: 3.) Express in ppt.ppm, and ppb fra fion the conce n of 250 g salt solution with 0.0045 9 salt disso...

A: Given, Mass of salt dissolved = 0.0045 g Mass of salt solution = 250 g     Required,                ...

Q: 1. Give IUPAC names for the following compounds: (a) (b) CH3 H2C=CHCHCCH3 CH3CH2CH=ĊCH2CH3 CH3 CH3 C...

A: 1. Sol :- Since you have asked multiple questions, we will solve the first question for you. If you ...

Q: Does the classification of these compounds include flavonoids,alkaloids and so on? Solve with the st...

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Q: Consider three generic acids with the relative stengths: HX > HY > HZ. Arrange their conjugate bases...

A: Since strong acid has weak conjugate base.

Q: Calculate the % composition of CuSO4.5H20 (Atomic masses:Cu = 63.55 amu; S = 32.06 amu; O = 16.00 am...

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Q: 5. Draw two water molecules oriented towards the K' ion and two water molecules oriented towards the...

A: Here we have to show how two water molecules are oriented towards K+ and Br- in aqueous solution.

Q: 4. a. Draw the Lewis structure for CH, (methane), NH, (ammonia), and H;O (water). b. Calculate the b...

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Q: A 50.0 mL solution of 0.129 M KOH is titrated with 0.258 M HCI. Calculate the pH of the solution aft...

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for yo...

Q: e weight percent

A: Since you have asked multiple questions, we will solve the first question for you. If you want any s...

Q: .Calculate the degree of reduction for NH3 and N2 on both an NH3 basis and an N2 basis (write units)...

A: In a chemical reaction that involves electron transfer, one of the species gains electrons while the...

Q: Part one What is the percent yield if 15.0 grams of iron was obtained from Fe production when 65.0 g...

A: Given Autual yield of iron = 15 gram

Q: what quantity of coal must be burned to supply 3.18*10^6 KJ, assuming that the only combustion react...

A: Given: The heat released = 3.18 × 106 kJ Standard data:  The heat of combustion of solid carbon =...

Q: но. CH;0,

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Q: Quantity How to Obtain Your Values 16 g/mol (from periodic table) 8. Atomic mass 16 g/mol (periodic ...

A: The number of moles of magnesium is = 0.03662551 mol The number of moles of oxygen is = 0.03375 mol ...

Q: 2. What is the resulting isotope after the synthesis of alpha with 238U92? Write the complete synthe...

A: The symbol of an alpha particle is 4He2 .