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Q: What is the molarity of a solution that contains 122 g of MgSO4 in 3.5 L of solution?

A: Given: Mass of  MgSO4=122g Volume of the solution=3.5L To find: Molarity of a solution.

Q: Authentic skunk spray has become valuable for use in scent-masking products. Show howyou would synth...

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Q: Complete the Lewis structure of each compound by showing all unshared electron pairs.

A: The 1st molecule is 1,4-Dioxane. It is a heterocyclic compound containing 2 oxygen atoms in the main...

Q: #10.056)

A: Conditions before compression,V1 = 458 mL = 0.458 LP1 = 1.10 atmT1 = 12oC = 12 + 273.15 = 285.15cond...

Q: Calculate the number of atoms in 0.0015 mole  of Cu.

A: Given, A mole of copper =  0.0015 moles. Calculate the number of atoms.  

Q: A certain reaction is second order in N, and second order in H,. Use this information to complete th...

A: Rate law of a reaction is directly proportional to the product of the concentration of the reactants...

Q: I need help calculating the NMR chemical shifts for this compound.

A: Shifting in the position of absorption peak of nuclei due to chemical environment with respect to a ...

Q: 1.Element F has a quarter life of 10 hrs. If there are 925 milligrams remaining of element F after t...

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Q: Freezing point depression and boiling point elevation can be used to determine the molarmass of prot...

A: Depression in freezing point (∆Tfp) = -7.4 mK or -7.4 ×10-3 K Here, negative sign includes depressio...

Q: How would you convert ethene to ethane molecule?

A: Lindlar catalyst is used to reduce alkenes to alkanes.  

Q: For each compound, indicate the atom that is most apt to be protonated. a. CH3-CHOH-CH2NH2  b. CH3-C...

A: To find: The atom which is most apt to be protonated.   The atom that has more basic character will ...

Q: Illustrate the effects of Photo-electric?

A: Photoelectric effect, phenomenon in which electrically charged particles are released from or within...

Q: Give a complete reaction scheme for the radical addition polymerization of metyl methacrylate with b...

A: polymerization reaction of the initiator and termination of the reaction of methyl methacrylate with...

Q: How does crosslinking change the properties of polymer?

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Q: If the rms speed of an oxygen molecule at a particular temperature is  4.28x104cm/s, what is the rms...

A: Step : 1           What is the rms speed of an NH3 molecule at the same temperature?

Q: Calculate the volume in liters of a 3.4x10^-6 μM mercury(II) iodide solution that contains 500.mg of...

A: Find the solution below

Q: What has the correct product in this synthesis reaction and explain why? BaO+SO2=BaSO3 or BaO+SO2=Ba...

A: The reaction of BaO and SO2 is a synthesis reaction that forms BaSO3 as a precipitate. 

Q: A unknown metal is thought to be gold. When 2.8 J of heat are added to 5.6g of the metal its tempera...

A: Heat given to the metal, Q =2.8 J Mass of metal taken, m =5.6 g Increase in temperature, ∆T = 1.72˚C...

Q: When preparing a soap it is always required that the pH be verified, if it comes out too high, how c...

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Q: I need help

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Q: What are Radioactive Isotopes ?

A: The term isotope is defined as two or more form of the same element which differs in the number of n...

Q: I am having trouble understanding how to figure these two problems out.

A: The unit cell of rhenium oxide given is as shown below,  

Q: Does mass alone determine weather an object will float or sink

A: Given: Mass alone can decide whether the object will sink or float.  TO FIND: The above statement is...

Q: An aqueous solution at 25°C has a pOH of 10.10. Calculate the pH. Round your answer to 2 decimal pla...

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Q: Propanoic acid and methyl ethanoate are constitutional isomers. Show how to distinguish between them...

A: The carboxylic acid has a IR frequency of 1780-1710 cm-1.  

Q: An experiment is conducted at 25 C and the rate of appearance of the product A.Ba(aq) is measured as...

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and s...

Q: calculate the number of atom in 2.34 grams of Ca.

A: Given: Mass of Ca= 2.34 g To determine: The number of atoms in 2.4 g of Ca=? 1 mol of Ca contains =6...

Q: What are the products of the following reaction?

A: The products of the following reaction have to be given,   The given reaction is,

Q: - Part A Calculate the pressure, in atmospheres, of 4.00 moles helium gas in a 14.0 L container at 2...

A: We know the relation between pressure, volume, temperature as given below: PV=nRT Where; P=Pressure ...

Q: A carbonate fusion was needed to free the Bi from a 0.6400-g sample containing the mineral eulytite ...

A: Given, Bi3+ + H2PO4- →BiPO4(s) + 2H+ mass of eulytite sample = 0.64 g molarity of NaH2PO4 = 0.0340 M...

Q: To what volume (in mL) would you need to dilute 45.0 mL of a 1.20 M solution of NaBr to make a 0.060...

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Q: A carbonate fusion ws needed to free the Bi from a 0.6423g sample containing the mineral eulytite (2...

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the ra...

Q: Dimercaprol (HSCH₂CHSHCH₂OH) was developed duringWorld War I as an antidote to arsenic-based poison ...

A: Dimercaprol has a molecular formula of C3H8OS2 and molar mass of 124.227 g/mol. To determine: Numbe...

Q: Like other electrophiles, carbocations add to alkenes to form newcarbocations, which can then underg...

A: When an electrophile attack on an alkene it generates a carbocation if it generates 30 carbocation t...

Q: Draw the two possible dipeptides formed by condensationreactions between histidine and aspartic acid...

A: Structure of histidine and aspartic acid are as follows:  

Q: A buffer contains significant amounts of ammonia and ammonium chloride. Write equations showing how ...

A: A buffer solution consists of specific amounts of weak acid and its conjugate base or specific amoun...

Q: Please give labelling and some explanation.

A: Sharing of electrons make covalent bond so one electrons in hydrogen and two electrons in oxygen are...

Q: Mention the chemical difference between soap and detergent with pen water.

A: Soaps are potassium or sodium salt of carboxylic acid and they contain long aliphatic chains attache...

Q: Calculate the number of grams of AICI3 in 1.25 miles of AICI3.                                     F...

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Q: Shapes of s , p , d , f orbitals ?

A: An atom is mainly composed of three sub-particles; electrons, protons and neutrons. These particles ...

Q: 2AI+3H2SO4=AI2(SO4)3+3H2 How many grams of aluminum sulfate would be formed if 250g H2SO4 completel...

A: 2Al + 3 H2SO4 →Al2(SO4)3+ 3H2 Mass of H2SO4 reacted = 250 g Molar mass of H2SO4 = 98.08 g mol-1 Numb...

Q: Why is cold water circulated through the condenser from the bottom rather than from the top?

A: In the condenser, the vapor is cooled by cold water and the vapor is converted into liquid. For effe...

Q: 3) The combustion of 4.000 g of a compound that contains only C, H, N, and Br yields 3.826 g of CO2 ...

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Q: Mass determination - what mass of PbO2 is reduced when a current of 5.0 A is withdrawn over a period...

A: A numerical problem based on Lead-acid battery, which is to be accomplished.

Q: . (a) Calculate the standard free energy change as a pair of electrons is transferred from succinate...

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Q: The hydrocarbon cyclobutane, C4H8, is represented above. At high temperatures, cyclobutane quickly d...

A: A Lewis Structure is a very simplified representation of the valence shell electrons in a molecule. ...

Q: A 9.00L tank at −10.7°C is filled with 7.23g of chlorine pentafluoride gas and 7.49g of sulfur tetra...

A: A numerical problem based on gas law, which is to be accomplished.

Q: The 1H NMR spectrum of 2-propen-1-ol is shown here. Indicate the protons in the molecule that are re...

A: The 1H NMR spectrum of 2-propen-1-ol is shown here. Indicate the protons in the molecule that are re...

Q: A certain decomposition reaction is first order with a rate constant of 6.85*10-4 s-1  at 25 degrees...

A: The half-life of the first-order reaction does not depend on the initial concentration of the reacta...

Q: A 0.357 mol sample of N, (g), initially at 298 K and 1.00 atm, is held at constant pressure while en...

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