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Q: 5- Please I want answer with steps. Many thanks

A: Part A The chemical name of this compound is sodium hydroxide. The chemical name of this compound i...

Q: The EPA has set the MCL for the concentration of cadmium as 5.05.0 ppb. What is the concentration of...

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Q: How many grams of PbO (molar mass = 223.2 g/mol) are produced from the reaction of 4.0 grams of oxyg...

A: Given: Mass of oxygen gas= 4.0 g Molar mass = 223.2 g/mol

Q: 26. Diamond is one form of elemental carbon. An engagement ring contains a diamond weighing 1.25 car...

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Q: Show how two water molecules might interact with tylenol.

A: Tylenol and Panadol are the two trade names for the same drug, called paracetamol, used for treatmen...

Q: #28

A: The reaction is said to undergo oxidation if there is a loss of electron or increase in the oxidatio...

Q: The mechanism of a catalyzed reaction O Is always different from the uncatalyzed reaction O May be d...

A: A catalyst is a substance that increases the rate of the chemical reaction generally. It changes the...

Q: Use the molecular orbital model to predict the bond order and magnetism of each ofthe following mole...

A: The bond order is calculated by the formula shown below. The magnetism of a species can also be exp...

Q: What is the molarity of a 76.8% by mass solution of sulfuric acid that has a density of 1.76 g/mL?

A: Molarity gives the number of moles of solute per litre of solution and is commonly used to measure t...

Q: The molarity of a solution containing 71 of sodium sulfate in 500 mL of an aqueous solution is . (So...

A: Molarity can be explained as the moles of solute by liters of solution. In question we are provided ...

Q: How many moles of aluminum oxide will be produced from 0.50 mol of oxygen? 4 Al + 3 02→ 2 Al203 mol ...

A: Given reaction is shown below. From the balanced chemical equation given, it is found that 3.0 mole...

Q: What diene and dienophile are needed to prepare each Diels–Alder product?

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

Q: How do the structures of tetrahydrofolate and aminopterin differ?

A: Given compounds are aminopterin and tetrahydrofolate.  They both are derivatives of folic acid.  Str...

Q: Be sure to answer all parts.The reaction2A → Bis second order in A with a rate constant of 32 M−1 · ...

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Q: How I solve this

A: When in the equilibrium reaction there is given ΔG f For both the reactant and product but here an ...

Q: How do I solve this?

A: Conjugate pair consist a group of acid - base pair that is having difference of one proton or H+  

Q: Three peptides were obtained from a trypsin digestion of two different polypeptides. In each case, i...

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Q: A 33.1 mL solution of 10.5 M HCl is diluted to 220 mL.  What is the new concentration of the acid so...

A: Given information is,

Q: Treatment of indene with NaNH2 forms its conjugate base in a Brønsted– Lowry acid–base reaction. Dra...

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Q: Enter your answer in the provided box.The rate constant of a first-order reaction is 2.40 × 10−4 s−1...

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Q: What is the pH of a buffer made by combining 45 ml of 0.15M nitrous acid and 20 ml of 0.175 M sodium...

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Q: What volume of a concentrated HCl solution, which is 36.0% HCl by mass and has a density of 1.179 g/...

A: 1)  pH of HCl solution to be prepared =1.9 

Q: How do I solve this?

A: The translation of state (liquid to gas) occurs on absorbing specified quantity of heat which depend...

Q: What is the pH of a buffer 0.10M (Salt) Na2HPO4/0.15M (acid) NaH2PO4? [ Ka2 = 6.2x10-8]

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Q: 85. Which of the following gases diffuse more slowly than oxygen? F2, Ne, N2O, C2H2, NO, Cl2, H2S

A: Graham Law state that the rate of effusion of a gas is inversely proportional to its molar mass. Rg...

Q: If 0.250 mol of CO and 0.250 mol of H2O are placed in a 125-mL flask at 900 K, what is the [CO] at e...

A: The given chemical reaction is: CO(g) + H2O(g) ⇌ CO2(g) + H2(g)   Expression for Kc = [CO2(g) ] .  [...

Q: 3- Please I want answer sub-parts with steps. Many thanks

A: The diagram of element “X”, that shows the electron present in different shells, is shown below. In...

Q: Which benzylic halide reacts faster in an SN1 reaction? Explain.

A: From among the two benzylic halide given we can tell that the halide A reacts much faster than benzy...

Q: #4

A: The total ionic equation for the given reaction is shown below.

Q: Draw the mechanism for the dehydration step in the Wohl degredation.

A: The Wohl degradation shortens the chain of sugar molecule by one carbon molecule by one carbon witho...

Q: het lonic equation

A: Balanced equation can be written as                      

Q: A sample of gas initially occupies 4.25 L at a pressure of 0.850 atm at 23.0°C. What will the volume...

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Q: 1.) Did the lactase enzyme show specificity? Support your answer by comparing yor data for lactose a...

A: Enzymes- These are made up of amino acid chains or proteins. They can be used as a catalyst in biol...

Q: Calculate the number of moles in 75.0 g of O2, and the pressure that it would exert at 80.0°C in a 5...

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Q: Predict the major organic product when treated with 1.) NaH  2.) EtBr.    The image is of the reacta...

A: The major organic product when treated with NaH and EtBr

Q: Explain why the C-3 OH group of vitamin C is more acidic than the C-2 OH group.

A: In the viatmin C the ascorbic acid the C-2 OH group is sterically more hindered than the C-3 OH grou...

Q: What will the concentration be 216

A: To find the concentration of the solution:  

Q: 12         c                    Which element has the same protons as the particle emitted from alph...

A: The alpha decay is occurred in most of the heavier nuiclei which has too high proton to neutron rati...

Q: Determine the percent by mass of MgCl2 if 3.1 g of MgCl2 is dissolved in 41.1 g of water.

A: Calculate total mass of solution:

Q: How can a system or chemical reaction have a negative entropy change and be spontaneous?

A: Chemical reaction:  

Q: Using standard reduction potentials from the ALEKS Data tab, calculate the standard reaction free en...

A: The standard reaction free energy for the given redox reaction is  given by  formula, Where, n= num...

Q: Chemistry Question

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Q: Determine the product in the following reaction (ignoring possible stereoisomers). CH3SH H 'Br

A: Observing the given reaction, it is clear that the CH3SH is a weak nucleophile. So first being the g...

Q: Please I want answer with steps. Many thanks

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Q: 7- Please I want answer with steps. Many thanks

A: An organic compound (A) has a general formula CnH2n. This compound has 7 carbon atoms. When the comp...

Q: Please I want answer with steps. Many thanks

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Q: Draw resonance structures for each radical.

A: