For the next 5 items, consider a solution which is prepared by dissolving 5.00 grams of a hypothetical compound (molar mass = 50 g/mol) in 250.0 grams of solvent (molar mass = 25 g/mol). Mass of the solutions * % w/w * ppm (mg/kg) * Number of moles of compound A * Molality (m)

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Q: What is ΔS for the boiling of C2H5OH? Use the data given below. Assume that enthalpy and entropy val...

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Q: Dinitrogen tetroxide is 18.46 per cent dissociated at 25°C and 1.00 bar in the equilibrium N2O4(g) ⇌...

A: For the reaction.,  N2O4(g) ⇌ 2NO2(g). Dinitrogen tetroxide is 18.46 per cent dissociated at 25°C an...

Q: In clays, the negative charge is exactly balanced by the absorbed cations. A True B False Question 1...

A: 17. It is true that in clays the negative charge is balanced by the adsorbed cations. True 18. Yes, ...

Q: ingredients, then name a branded/commercial skin or hair care product where the said material is use...

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Q: Consider the balanced reaction of magnesium and oxygen.   2Mg+O2⟶2MgO2Mg+OX2⟶2MgO   What mass, in...

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Q: What is the IUPAC name of this spectrum

A: IUPAC name have some specific rule

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Q: (a) SO,-Ph i nBuLi, THF SO,Ph Ph Ph i. PHCHO Na/Hg ÓAc . Ac0

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Q: Ethane

A: We have to propose a synthesis from ethane to butan-2-one. The required synthesis is shown below  

Q: Increasing poarity Increasing length

A: When the double bond forms, the bond length decreases. 

Q: Experiment title is Extractión óf čafféiné fróm coffee and caffeine analysis by HPLC Tips for discus...

A: 1) Calcium carbonate is used in the extraction of caffeine from the coffee powder.  

Q: Is the name correct? 5-(2,2-dimethylethyl)nonane If not, give the correct name.

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Q: 3) Reduce the following representations into its corresponding reducible representations: a) Under C...

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Q: Determine a molecular formula, e.g. CH4, from the line structure below. Specify elements in the foll...

A: In the given structure we have to tell the molecular formula for the given line structure of organic...

Q: 8. How might you prepare each of the following molecules using a nucleophilic substitution reaction ...

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Q: Reset Help `N R–NH2 R^Br R–OH R Highest priority Lowest priority The correct ranking cannot be deter...

A: Here we have to write the decreasing order of priorities of the following groups  according to CIP r...

Q: Activity 1: S OLVE ME BABY ONE MORE TIME! Directions: Calculate the change in energy for the followi...

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Q: a) What is chemical family? You may explain with an example. b) If A and B could be seen as a chemic...

A: A group of elements having similar properties belongs to one chemical family in a periodic table.

Q: Draw the expected major product for sequence MCPBA

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Q: Secondary carbocations are formed faster than tertiary carbocations. Select the correct response.: T...

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Q: Normal alkanes have tertiary carbon atom. Select the correct response: True False

A: Normal alkane has general formula is CnH2n+2  Thus these are saturated hydrocarbons.  

Q: raw the expected major product for both compounds A and B of the following reaction uence HCI A

A: Major  product  is analyse by applying  appropriate  reaction  mechanism  on substrate. 

Q: Give the functions of the following ingredients, then name a branded/commercial skin or hair care pr...

A: The  ingredients given in the question are generally used in skin care or hair care etc.Let's discus...

Q: Which element is the most metallic? F Au Fr Li   What helps particles move?  Kinetic Molecular So...

A: First group elements are most metallic character.  so lithium (Li) is correct option.              K...

Q: 3. Determine the mass of sodium hydroxide produced when 0.25 grams of sodium reacts with water accor...

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Q: Consider the following exothermic reaction: 4 H,PO,laa) 6 He • 80le) • Pala) Assume the reaction mix...

A: Given : We have to predict the direction for the given reaction.

Q: (Intermediate) Reactant (Intermediate) Product Apply Mechanism Hint Solution 2 remaining step(s) can...

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Q: Reaction of hydrogen and nitrogen to form ammonia Hydrogen gas, H2, reacts with nitrogen gas, N2, to...

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Q: FeBr2 + 2 KCl →  FeCl2 + 2 KBr              What is my theoretical yield of iron (II) chloride if...

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Q: mem 101 G periodic table - Google Search How many moles of lithium hyd x Question 6 of 8 How many mo...

A: given moles of O2 = 0.78 mol

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Q: O2N. e)

A: we use IUPAC system to name any organic compound  here we are required to find the systematic name o...

Q: A chemical reaction is characterized by the following experimental data: Rate Constant (L mol-'s-) T...

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Q: 5. Ignoring double-bond stereochemistry, what products would you expect from elimination reactions o...

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Q: Sloichiometry: Mole to Mass Problems Mg +2HCI → MgClz +2 H2 1. a. How many grams of HCl are consumed...

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

Q: Explain the observed stereo-selectivity in the formation of product using Felkin-Anh model. (c) Ph. ...

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Q: The propagation step in the chain mechanism of radical halogenation begins the production of radical...

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Q: Conformers like geometric isomers are stable and can be isolated. Select the correct response: True ...

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Q: 3. Predict whether each of the following substitution reactions is likely to be SN1 or S2: (a) CHICO...

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Q: Trizma base is a commonly used buffer in biochemistry labs with a pKa of 8. How much 1 M HCl must yo...

A: Given: pH of buffer required = 8.0 pKa of Trizma = 8.0 Concentration of HCl = 1 M Volume of buffer s...

Q: Compare the-chemical reactivity of calcium and magnesium. Explain the red litmus paper result. Can y...

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Q: 2 NaCl + CaO →  CaCl2 + Na2O    What is my theoretical yield of sodium oxide if I start with 20 gr...

A: The balanced reaction given is, => 2 NaCl + CaO → CaCl2 + Na2O Given: Mass of CaO reacting = 20 g...

Q: Write all the possible products of these reactions (substitutions and eliminations). Which reaction ...

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Q: Carbon NMR Homework 200 180 160 140 120 100 80 60 40 20 ppm

A: The given compound is C6H4Br2.

Q: Which of the elements below are not commonly found in living things? Group of answer choices oxygen...

A: Given : We have to tell which of the following is not found in living things.

Q: Can you now recognize me? Direction: Identify the property of water shown in the pictures below. Wri...

A: The pics given are,  

Q: Give the functions of the following ingredients, then name a branded/commercial skin or hair care pr...

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Q: Which radical will not likely be formed? Take note of the asterisk as the point of radical formation...

A: In structure (given in image1), is the structure where radical can't be formed because the carbon ( ...