following

Q: What is the molality of lithium ions in an aqueous solution made up of 0.302 m LI:PO. assuming the c...

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Q: The solubility of KNO3 (MW=101.1 g/mole) in water at 65° C is 12.4 molal and at 0° it is only 1.2 mo...

A: Given information, Molar mass of KNO3 = 101.1 g/mol Solubility of KNO3 at 65°C = 12.4 molal Solubili...

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution (dissolvin...

A: enthalpy of dissolution, ∆Hdissolution = mass (m) ×specific heat capacity(s) ×temperature change (∆t...

Q: A concentration cell made using the reaction of Cu/Cu+2 is measured and has a voltage of 0.022 V at ...

A: Answer:- This question is answered by using the simple concept of concentration cell in which both o...

Q: 1. a) The following skeletal oxidation-reduction reaction occurs under acidic conditions. Write t...

A: NOTE : according to the policies, we can only answer first 3 subparts of a question at one time. you...

Q: Write the empirical formula for at least four ionic compounds that could be formed from the followin...

A: To solve this problem we have to know about the formation of Ionic compound  by using ions . Let us ...

Q: How much oxygen (in grams) will form from 48.2 mg of N2O5?  2N2O5(s)  →  4NO2(g) + O2(g)

A: Balanced chemical equation: 2N2O5(s)  →  4NO2(g) + O2(g) Number of mol of O2 = (Number of mol of N2O...

Q: Number 4 and 5 only

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Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution (dissolvin...

A: Mass of CaCl2 dissolved = 2.02 gmass of water = 114 g = MInitial temperature of water = 23.70°CFinal...

Q: GRAVIMETRIC ANALYSIS OF A TWO COMPONENT MIXTURE A mixture of NaHCO3 and Na2CO3 reacts with hydrochlo...

A: A numerical problem based on mole concept in gravimetric analysis, which is to be accomplished.

Q: A. REACTIONS OF HYDROCARBONS Three hydrocarbon samples were analyzed by various qualitative tests an...

A: A question based on qualitative analysis, which is to be accomplished.

Q: Tdentifying Which compound is most likely a covalent compound? Melting Boiling point (° C) Conducts ...

A: Given: Different different melting points and boiling points for different compounds.  To find: comp...

Q: What are the configurations around Carbon 1 and Carbon 2 in the following molecule?

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Q: When the following equation is balanced properly under acidic conditions, what are the coefficients ...

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Q: Only100 please

A: Density = mass / volume Equation representing combustion of butane: 2 C4H10 + 13 O2 → 8 CO2 + 10 H2O...

Q: Draw the major organic product of the following reaction sequence

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Q: The correct ground state electron configuration of carbon (Z = 6) is:

A: Carbon is versatile Element, with atomic number of 6 (Z=6) and atomic mass of 12 (A=12 ). It's symbo...

Q: I have ammonia (.123M) dissociating in water.  Kb=1.8 x 10-5.  If I add some (.345M) Ammonium Chlori...

A: Given concentration of ammonia = 0.123M  Concentration of Ammonium chloride 0.345M  We have to calcu...

Q: You are designing a component for a new engine. This component will be made from steel (which is mos...

A: Sacrificial anode  is used as the protection of  metal structure from corrosion .

Q: A www-awn.aleks.com/alekscgi/x/lsl.exe/1o_u-IgNslkr7j8P3jH-lijkPWVZoZLqKt1FLlq7wcPWKzBYGFE9IMFjRvsTd...

A: Given, Length of tank = 27.0 cm Width of the tank = 21.0 cm Depth of the tank = 10.0 cm Diameter of ...

Q: The root mean square velocity for the atoms in a sample of xenon (At. wt. 131.29 g/ mol.) gas at 40 ...

A: Given Molecular weight/Atomic weight = 131.29 g/mol Temperature = 40°C  

Q: 14 and 15 please

A: Since you have posted multiple questions, we'll answer the first one. If you want any other question...

Q: Calculate KK givenEcell= -1.74 voltsE^0cell= -1.16 voltsT= 515 Kelvinn= 1R= 8.314 J/mol KF= 96500 C/...

A: Given: Ecell= -1.74 V E^0cell= -1.16 VT= 515 Kn= 1R= 8.314 J/mol KF= 96500 C/mole electrons.  

Q: What is the value of ΔG°rxn for the reaction: C--->2A+B given: 2A+B--->ΔG°rxn=150.5kJ/mol

A: Given: Reaction-1: 2 A + B --> C ΔG°rxn=150.5kJ/mol Reaction-2: C--> 2 A + B  ΔG°rxn=?

Q: Determine whether each of the following salts will form a solution that is acidio, basic, or pH-neut...

A: By dissolving of salt into water form base and acid  If they dissociate equally , then they form neu...

Q: You have a 0.189 M solution of propanoic acid.  You add enough sodium propanoateto make the solution...

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Q: c) Given that only 11.2 % of 1.0 M ammonium hydroxide, NH4OH, ionizes in water. Calculate the base d...

A: given, initial concentration of ammonium hydroxide (c) = 1.0M degree of dissociation (α) = 11.2% = 0...

Q: Describe transition equilibrium and the condition for this state.

A: According to the question, here we have to describe the Transition State Equilibrium.  

Q: Choose the correct optionsSingle choice. 1.Na4[Mo(CN)8] and Na3[TaF8] has same structure 2.K4[V(CN)7...

A: For answering this question, we need to know the complex ions present in each case, and then check t...

Q: Predict the product and draw the mechanism of its formation. Include lone pairs, charges, wedges, an...

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Q: 3¹ electrochemistry question solve with complete solution and explanation.

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Q: Determine the temperature of a reaction if K = 1.2 x 10-6 when AG° = +20.6 kJ/mol.

A: Given: ΔGo=+20.6 kJ/mol=+20.6 x 103 J/mol K=1.2 x 10-6  Temperature, T=?

Q: Only number 15

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Q: A balloon originally had a volume of 4.39 L at 44 °C and a pressure of 729 torr. The balloon must be...

A: The given data is as follows: The initial volume of the balloon V1= 4.39 L The initial temperature T...

Q: ∆Svap for butane at its boiling point (-1ºC) and 1 atm is (∆Hvap of butane = 24 kJ/mol)   -88 J/...

A: The entropy change accompanying the change in phase from liquid phase to vapor phase is called the e...

Q: When 4.970 grams of a hydrocarbon, C,Hy, were burned in a combustion analysis apparatus, 15.23 grams...

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Q: Please answer parts 4-6: Br2 (excess), H2, Pt catalyst, and NaNH2, NH3 (liq.)

A: In this question, we want to draw a product for each Reaction from 4-6  You can see details Solution...

Q: Part A Drag the appropriate labels to their respective targets. Reset Help Bronsted-Lowry acid Brons...

A: Bronsted lowry acid are those who donate proton and form conjugate base. Bronsted lowry base are tho...

Q: 7) (+)-Carvone (C10H14O) is a principal component of caraway and dill seed and is used as a food fla...

A: We have carvone as C10H14O of mass 2.63g, in 14.6 ml of ethanol . We have to calculate the molality ...

Q: Draw the products obtained in each of the following reactions, and then circle the major product.

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Q: Hydrocarbons, compounds containing only carbon and hydrogen, are important in fuels. The heat of com...

A: Given  Heat of Combustion of Cyclohexane  = Kcal/mole  Balance reaction for complete combustion of C...

Q: Need help

A:   Chemical kinetics deals with the rates of reaction various factors that influences the rate of re...

Q: Only question44 please

A: 44. Given that : Mass % of N = 30.45 % An oxide of Nitrogen will consist of N and O only. So, Mass %...

Q: only question 30 please

A: Given density of galena = 7.46 g/cm3 a. volume of galena = 1 ft3 b. volume of galena = 1 dm3

Q: Assume the reaction: CH3CH=CHCOONa + H2 + Ni ----> ??? a. Determine the correct rate law expressi...

A: The question is based on the concept of chemical kinetics. we have to write transition state,  rate ...

Q: Calculate ∆Sº for the reaction below: N2(g)+2O2(g)⇄2NO2(g)  where ∆Sº for N2(g), O2(g), & NO2(g)...

A: The given chemical equation is: N2(g)+2O2(g)⇌2NO2(g) The given standard entropy change (∆Sº) values ...

Q: Propose a structure for a compound of molecular formula C,H1402 with an IR absorption at -1 1740 cm ...

A: We have compound of M.F C7H14O2 , we have to predict the structure for it .  

Q: 1 Compound X has a molar mass of 135.12 g•mol 'and the following composition: element mass % carbon ...

A: Molar mass or  molecular mass :-       It is the sum of atomic masses of the elements present in tha...

Q: Explain the following for a chromatogram:  a-“retention time”,  b-“resolution”,  c- “theoretical pla...

A: A) Retention time It is the measure of the time between the injection of the solute and the detectio...

Q: Draw the following compounds and rank them according to their ElectrophilicAromatic Substitution rea...

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Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".