How many grams of ethylene (C2H4) would have to be burned to produce 450 kJ of heat? C2H4(g) + 302(g) 2C02(g) + H20(1) AH°rxn = -1411 kJ/mol

Q: How do you account for the observed solubility of naphthalene and sodium chloride in water and in  e...

A: As we know like dissolves like, same applies in solutions. A substace having zero dipole moment is c...

Q: Given the reaction: PCl3(g) + Cl2(g) ⇌ PCl5(g) Kc = 24.3 Suppose the system at that particular tempe...

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Q: Using the 13 rule and Hydrogen deficiency indicator (HDI) determine the Molecular formula and propos...

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Q: Determine the product of the following reaction! 1. OH 2. CH3I

A: In presence of base , acidic proton is taken up. OH- is smaller in size , thus it can easily takes t...

Q: km Calculate the kinetic energy of a 4.1 x 10" kg satellite moving at a speed of 8.5 Round your answ...

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Q: metal-catalyzed hydrogenation of 4-methyl-2-pentyne yields  a. (Z)-4-methyl-2-pentene b. 2-methyl-2...

A: Metal Catalytic hydrogenation of alkyne produce alkane.  

Q: 26. Calculate the empirical formula from the information given below: a. 63.5% Fe; 36.5 % S d. 25.9%...

A: Calculation of empirical formula:   As per our guideline we have to answer first three questions onl...

Q: conjugate base

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Q: How do solve for the atomic radius if the given are: it's crystal structure, atomic weight and densi...

A: Density of unit cell = Z * Molar mass / (Cell edge length)^3 * Avagadro No Z = No of atoms for the c...

Q: Find the product of the following reaction!! OH A

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Q: Sulfur dioxide and nitrogen dioxide react at 298 K via the reaction so,() + NO,(g) SO,(g) + NO(g) A ...

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Q: 2) What impurity might be found in the benzoic acid prepared from benzonitrile? How does this impuri...

A: We have find out impuity during the preparation of benzoic acid 

Q: At constant Temperature, a sample of 6.0L of nitrogen gas at 2.0 atm pressure was allowed to expand ...

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Q: Consider a 1.0 L buffer containing 0.113 mol L HOCI and 0.081 mol L OCI. What is the pH of the solut...

A: In question 1 we will be dealing with a buffer solution and will calculate the pH after certain mole...

Q: Solve the problems and show your solutions. a) At 600°C, methane, CH4 reacts with elemental sulfur,...

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Q: e molar mass C

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Q: 10 grams of glucose (CGH12O6) is dissolved in 90 grams of water. The density of the solution is 1.03...

A: We have to find Molarity , molality of the solution.

Q: Which of these bonds is the most polar? The least polar? (a) C------N (b) C------C (c) C------O

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Q: Complete and balance the following acid-base neutralization reactions: 1) HClO4 + NaOH (perchloric a...

A: Complete and balance the following acid-base neutralization reactions:

Q: button e app.101edu.co Question 6 of 10 What ratio of CH NH, to CH3NH is needed to prepare a pH 9.70...

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Q: A common laboratory preparation of oxygen gas is the thermal decomposition of potassium chlorate (KC...

A: given :- mass of KClO3 = 29.82 g  to calculate :- amount of O2 produced by thermal decomposition of ...

Q: Aluminum Arsenide (AlAs) has a lattice constant a=7 A°, Answer the following: Calculate the atomic d...

A: Aluminium Arsenide (AlAs) has crystal structure similar to Zinc Blende.

Q: If 2.21 grams of strontium combines with 1.79 grams of chlorine to form a chloride, calculate the pe...

A: Given: Mass of strontium = 2.21 g Mass of chlorine = 1.79 g

Q: Enter your answer in the provided box. One of the reactions that occurs in a blast furnace, in which...

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Q: 100-g of MgSO4•7H2O is dissolved in 900 g of water. If the density of the solution is 1.047 g/mL, wh...

A: Given data,Mass of MgSO4.7H2O=100gMass of water=900gDensity of solution=1.047g/mL

Q: Use the chemical equation and the table to answer the question. Pb(NO3)2(aq) + 2KBr(aq) → PbBr2(s) ...

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Q: At constant volume, a sample of an oxygen gas with a temperature of 27°C and pressure of 2 atm is in...

A: Gay-Lussac’s Law: According to Gay-Lussac’s law, if we increase the temperature of a definite amount...

Q: A commercial vinegar is analyzed for the percent acetic acid present. The data for the first trial i...

A: Our first step will be to write the reaction of NaOH and acetic acid. The chemical formula of acetic...

Q: Calculate potentials after the addition of 10.00, 25.00, 50.00, and 50.10 mL of the reagent. Where n...

A: "Since you have asked multiple questions, we will solve the first question (4a) for you. If you want...

Q: 6. Who discovered the nucleus of the atom? A. Dalton B. Rutherford C. Millikan D. Thomson

A: Given,  Who discovered the nucleus of the atom. 

Q: Complete the following? Name the type of reaction? Draw the reactants and products? Name all the pro...

A: We have to answer the following questions.

Q: 12. The electron on a hydrogen atom moves from n=4 to n=2 energy level. Calculate the wavelength in ...

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Q: A 50.0-mL volume of 0.15 mol L-HBr is titrated with 0.25 mol L¬'KOH. Calculate the pH after the addi...

A: 1.)  HBr is a strong acid and KOH is a strong base, so they would dissociate completely into their i...

Q: Write a precipitation reaction for potassium nitrate and magnesium sulfate. Identify the precipitate...

A: Potassium nitrate + Magnesium sulfate

Q: Lewis structure

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Q: How many constitutional isomers would be possible for a five-carbon monofluoroalkane?

A: Constitutional isomers are isomers which shares same molecular formula but different atomic and bond...

Q: Lewis structure

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Q: gold(I) oxide Express your answer as a chemical formula.

A: The gold(I) oxide is also known as gold oxide. Which have molecular formula of Au2O. This is because...

Q: Styles Editi Please calculate the final maltose concentrations for the tubes you created today. Volu...

A: To Calculate the maltose concentration in diluted solution , we would use given equation. 

Q: m Calculate the kinetic energy of a 159.0 g baseball moving at a speed of 42.0 Round your answer to ...

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Q: A tank contains 13.0 L of oxygen gas at 25°C and 35.0 atm. Helium gas is added until the mole fracti...

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Q: How to balance Ca+As in a chemical equation predict the probability of the reaction Predict the prod...

A: A compound is formed by the electrostatic interaction between the cation and the anion. The cation i...

Q: If the acid ionization constant for HX is 1.60 x10 10 at 25 °C what is the ionization constant for t...

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Q: Based on the cell potential, what is the concentration of Cu2+ in this solution? Express your answer...

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Q: compared to HCO3-, H2co3 has a A Stronger conjugated base B Weaker conjugated base C Higher ka D...

A: Acid can be defined as the substance that give hydrogen ions in a solution and base is a substance t...

Q: 3. What is the equilibrium-constant expression of the dissociation of HASO4 to H;O" and AsO, ? [H3o*...

A: Equilibrium constant (K) :-  It is defined as the ratio of product of concentration of Products to t...

Q: changed to 12.0 L and 452K, if the initial volume of the sample was 18. 0 L. What is the initial tem...

A: Initial Volume = 12.0 L Initial Temperature = 452 K Final Volume = 18.0 L Now, Using Charles law, V1...

Q: Use the Debye-Hückel equation to calculate the activity cocfficient of each ion at the given ionic s...

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Q: Select the gas that would have the highest average molecular speed. Assume all are at the same tempe...

A: Average molecular speed (Cavg): The average speed of the molecule can be determined by using the for...

Q: Use the standard reduction potentials shown here to answer the questions. A copper, Cu(s), electrode...

A: Given data : E cell = 0.052 V