Explain the following trend in the absorptions corresponding to the most energetic C–H stretching mode observed in the IR spectra of the following molecules.

Q: What is the standard potential for the reaction 2Na(s)  2Na+(aq) + 2e-? -2.71 V 2.71 V -5.42 V…

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Q: Calculate the number of oxygen atoms in a 120.0 g sample of diphosphorus pentoxide (P,O,). Be sure…

A: We have to calculate the number of oxygen atoms in a 120.0 g af a sample P2O5.

Q: 4-What is the difference between laboratory and point-of-care or at-home cholesterol tests?

A: The difference of cholesterol test in laboratory and point of care or at home will discuss according…

Q: Which of the following statements is true, given the picture provided. a.Yellow dye is more polar…

A: The given picture is an representative example of the thin layer chromatograpy with various coloured…

Q: O ATOMS, IONS AND MOLECULES Predicting the formula of ionic compounds with common. Write the…

A: Ionic bonds are due to electrostatic force of interaction.

Q: The pH of blood is buffered by a mixture of HCO3- (bicarbonate) and H2CO3 (carbonic acid). i. Write…

A: The pH of blood is buffered by a mixture of HCO3-  (bicarbonate) and H2CO3 (carbonic acid).i. Write…

Q: che single best answer. s pair of elements (Ag and Cd), predict which one has more stable isoto Ag…

A: Protons are positively charged particles and neutrons are particles having no charge and these…

Q: Consider the following reaction: N2(g) + 3H2(g) ⇄ 2NH3(g) A. When would this reaction be…

A: Reaction :                                   N2(g) + 3H2(g) ⇄ 2NH3(g)…

Q: Draw a new purine base for DNA. Provide a name and a one-letter abbreviation for it.

A: The new purine base for DNA is Adenine. The one letter abbreviation for Adenine is A

Q: Non-ionizing radiation from a variety of sources is used for producing images in humans. Select any…

A: UV, visible light, infrared (IR), microwave (MW), radio frequency (RF), and very low frequency (ELF)…

Q: How many grams of a KCL solution that is 1.14% KCL by mass are needed to obtain 20.4 g of sucrose?

A:

Q: The value of G° for the conversion of ATP to ADP is -35.6 kJ/mol. The reaction is: ATP(aq) →…

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Q: Which of the following is a reversible reaction according to the way it is written? Ag^ + (aq)+Cl^ -…

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Q: o bonds: a bonds:

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Q: What are Eo' (V) and (kcal/reaction) for the following redox reaction? NADH + H+ + 2 oxidized…

A: Given: NaDH+H++2Cytochrome b(oxi)→NaD++2H++2Cytochrome b(red)     Ecell0

Q: 2. A 0.5520 g of potassium hydrogen phthalate, KHCH&O4, a monoprotic weak acid, takes 24.90 mL of…

A:

Q: Predict the product of each reaction below and indicate if the mechanism is likely to be SN1, Sx2,…

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Q: Calculate the ASpxn for the following reaction. 2 N205(s) – N2(g) + 4 O2(g) + 2 NO(g) ASX =…

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Q: Decide whether or not each of the following metals dissolves in 1 M HNO3. For those metals that do…

A: We have to tell what happened when Al is dissolved in 1 M HNO3.

Q: Rank the compounds in order of decreasing acidity. Most acidic Least acidic Answer Bank BRCH, CO,H…

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Q: Be sure to answer all parts. A freshly isolated sample of 90Y was found to have an activity of 6.6 x…

A: Given : A1 = 6.6 ×105 per minute A2 = 1.8 × 104 per minute   Find : To calculate The half-life  is…

Q: A gaseous mixture containing 16.0 g O2, 6.00 g H2, and 4.00 g He is placed into an 8.0 L vessel at 5…

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Q: Calculate entropy change 1. combustion of one gram of methane to form carbon dioxide and liquid…

A:

Q: A catalyst affects the rate of the forward reaction by changing which of the following? Activation…

A: Catalyst :-  A catalyst which increases the rate of chemical reaction without itself undergoing any…

Q: An electrochemical cell consists of a standard hydrogen electrode and a copper metal electrode. a.…

A:

Q: O CHEMICAL REACTIONS Using molarity to find solute mass and solution volume -7 Calculate the volume…

A:

Q: Radioactive radon-222, found in many homes, is a potential health hazard. The half-life of radon-222…

A: Given -> Half life = 3.82 days

Q: What is the % concentration (m/v) of a solution prepared by dissolving 28.3 of NaOH in enough water…

A: Given, mass of NaOH = 28.3 g Volume of solution = 789 ml % (m/v) = ?

Q: Which fluid has the highest [OH-] concentration? A.Stomach 1.4 B. Pancreatic juice 8.4 C. Sweat 4.8…

A: Which fluid has the highest [OH-] concentration?

Q: Using the bond energies in the table below, estimate the enthalpy change in kJ/mol corresponding to…

A:

Q: 3. Rank the following slightly soluble compounds from most soluble to least soluble in water. Ag.PO.…

A: Since you have asked multiple type questions, we will solve only first  questions for you. If you…

Q: Give the IUPAC name for each compound.

A:

Q: For each system listed in the first column of the table below, decide (if possible) whether the…

A: ENTROPY IS MEASURE OF RANDOMNESS,MORE RANDOMNESS MEANS MORE ENTROPY

Q: The atomic number on the periodic table refers to the number of _____ within an atom. protons or…

A: The atomic number on the periodic table refers to the number of _____ within an atom. Answer -…

Q: 50 cm3 of 0.05 M weak acid solution is titrated with 0.1 M NaOH solution. The measured pH values are…

A: Hii there, As there are multiple question posted. we are answering first question. If you need…

Q: mole fraction of argon?

A:

Q: (i). Using the reaction Zn(s) + 2Co3+ (aq) -› Zn?+ (aq) + 2Co2+ (aq) as an example, draw a diagram…

A: The electrochemical cell reaction is given as, Zn(s)+2Co3+(aq)→Zn2+(aq)+2Co2+(aq) From electro…

Q: ompute the equilibrium constant for spoantaneous reaction between Cd2+ and Zn s

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Q: D. Enthalpy is negligible B. Enthalpy change is negative 7. Which represents an exothermic reaction?…

A: ∆H = ∆H(product) - ∆H(reactant) -> In exothermic reaction heat is released that means  ∆H = -ve…

Q: Statins are drugs that have been used to treat high cholesterol by blocking mevalonate synthesis.…

A:

Q: 1o A 5 cm sample of 0.05 mol dm3 sodium chloride is mixed with a 5 cm3 sample of 0.05moldm potassium…

A:

Q: Titration of a 86.00mL KOH solution required 398.00 ml of 0.0240 M acetic acid. What is the molarity…

A: )

Q: Predict whether the entropy or disorderliness of the system where the following changes occur is…

A: Answer: Entropy of the system is measure of its disorderliness and as we know gases are more…

Q: Label the acid and the base on reactant side of the equations and write the products: 1. H,SO, +…

A: ->Acid reacts with base and form salt and water.

Q: What is the voltage for a cell that has a Zn electrode in a 1.0 M aqueous Zn2+ solution on the left…

A: Voltage of cell can be calculated using nernst equation.

Q: Balance the equation and calculate the E∘cell of the given reaction Zn(s) + H+ (aq) ----> Zn2+(aq)…

A: Given- Zn(s) + H+(aq) -> Zn2+(aq)+H2(g)

Q: Vhat is the pH of the solution that results from adding 26.4 ml of 0.11 M HCI to 25.3 ml of 0,41 M…

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Q: Calculate the pH of the solution that results when 0.093 g Mg(OH)2 is mixed with 75.0 mL of 0.0500 M…

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Q: Compare the osmotic pressure of these solutions to the osmotic pressure of red blood cells. are the…

A: In this question, we have to Compare the osmotic pressure of the given solutions to the osmotic…

Q: Part A How much concentrated solution would it take to prepare 2.95 L of 0.585 M HCl upon dilution…

A: