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Chemical Engineering Chemistry Organic Chemistry

07/27/22

• The mass of CaCO3 (AR grade) solid to prepare a 1000 ppm Ca solution in a 500 mL volumetric flask.

The mass of CaCO3 (AR grade) solid to prepare a 1000ppm Ca solution in a 500mL volumetric flask

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Chemical Engineering Chemistry Organic Chemistry

07/27/22

The mass of KCl solid(AR grade) to prepare a 1000 ppm K solution in a 500 mL volumetric flask

The mass of KCl solid (AR grade) to prepare a 1000ppm K solution in a 500mL volumetric flask

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Chemical Engineering Chemistry Biochemistry Organic Chemistry

05/11/22

Basic Chemistry

Please do show the complete solution and answer, that's all and thank you. 7.50 g of sodium chloride are added to 3200 mL of water. Find the mole fraction of the sodium chloride and of the water in... more

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Chemical Engineering Chemistry

04/20/22

Cell Potential question

The standard electrode potential for Aluminum is found in Appendix 13 of the e-book (page 1107). Find the potential if the concentration of the ions in the solution is 0.546 M and the... more

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Chemical Engineering Chemistry Biochemistry Organic Chemistry

04/12/22

AP Chem Need Help Urgent (Titration)

1. Answer all parts of the following question:a) The graph below shows the titration curves of a 1 M solution of a weak acid with strong base and 1 M solution of a strong acid with the same base.... more

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Chemical Engineering Chemistry Biochemistry Organic Chemistry

04/07/22

Phase Changes : How much heat must be lost to freeze 75.3 g of water at 11°C?

How much heat must be lost to freeze 75.3 g of water at 11°C?

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Chemical Engineering Algebra 2 Calculus Chemistry

03/28/22

At a festival, spherical balloons with a radius of 160. cm are to be inflated with hot air and released. The air at the festival will have a temperature of 25°C

It must be heated to 100°C to make the balloons float. 1.00kg of propane C3H8 fuel is available to be burned to heat the air. Calculate the maximum number of balloons that can be inflated with hot... more

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Chemical Engineering Algebra 2 Calculus Chemistry

03/28/22

On a 5 day wilderness expedition you'll need to heat 4.0 kg of water to the boiling point each day. The air temperature will average 25°C.

You have available canisters of compressed butane C4H10 fuel, which you'll burn to heat the water. Each canister has 100.g of butane in it. What is the minimum number of fuel canisters you must... more

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Chemical Engineering Chemical Reaction Engineering Reactor Design

03/27/22

PLEASE HELP ME SOLVE THIS REACTOR DESIGN PROBLEM ASAP

A decomposition reaction (A →2P) takes place in a variable volume batch reactor in gas phase at 40°C and 303.39 kPa conditions and the following data are collected. The inititial molar percentage... more

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Chemical Engineering Chemistry Biochemistry Organic Chemistry

03/15/22

Calculate the pH of a 0.0175 M solution of arginine hydrochloride ( arginine·HCl , H2Arg+ ). Arginine has p𝐾a values of 1.823 ( p𝐾a1 ), 8.991 ( p𝐾a2 ), and 12.01 ( p𝐾a3 ).

Calculate the pH of a 0.0175 M solution of arginine hydrochloride (arginine·HCl, H2Arg+). Arginine has p𝐾a values of 1.823 (p𝐾a1), 8.991 (p𝐾a2), and 12.01 (p𝐾a3).pH=Calculate the concentration of... more

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Chemical Engineering Chemistry

03/08/22

Phosphoric acid production

Impure phosphoric acid for use in the manufactureof fertilizers is produced by the reactionof sulfuric acid on phosphate rock, ofwhich a principal component is Ca3(PO4)2.The reaction isCa3(PO4)2(s)... more

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Chemical Engineering Chemistry Biochemistry Organic Chemistry

03/02/22

A 7.00 L tank at 7.66 degrees C is filled with 4.90 g of dinitrogen monoxide gas and 4.66 g of chlorine pentafluoride gas. You can assume both gases behave as ideal gases under these conditions.

Calculate the mole fraction and partial pressure of each gas, and the total pressure in the tank. Round each of your answers to 3 significant digits.= _____

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Chemical Engineering Calculus Precalculus Differential Equations

02/28/22

A chemist prepares a solution of nickel(II) chloride NiCl2 by measuring out 79.2μmol of nickel(II) chloride into a 400 mL volumetric flask and filling the flask to the mark with water.

Calculate the concentration in m/molL of the chemist's nickel(II) chloride solution. Round your answer to 3 significant digits.

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Chemical Engineering Calculus Chemistry Precalculus

02/13/22

A chemist prepares a solution of silver(II) oxide (AgO) by measuring out 0.00339 μmol of silver(II) oxide into a 450. mL volumetric flask and filling the flask to the mark with water.

Calculate the concentration in mmol/L of the chemist's silver(II) oxide solution. Round your answer to 3 significant digits.= ____ mmol / L

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Chemical Engineering Science Science Chemistry

02/12/22

How do you balance these redox reactions by the half-reaction method?

How do you balance these redox reactions by the half-reaction method?Na + Hg2Cl2 → NaCl + Hg

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Chemical Engineering Chemistry Stoichiometry Chem

02/11/22

I need help in my Chemistry...

What is the procedure and solution in performing these? How many mL of 0.310 M barium nitrate are required to precipitate as barium sulfate all the sulfate ions from 28.0 mL of 0.380 M aluminum... more

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Chemical Engineering Calculus Chemistry Precalculus

02/10/22

A chemist prepares a solution of copper(II) sulfate by measuring out 45.0 μmol of copper(II) sulfate into a .450 ml volumetric flask and filling the flask to the mark with water.

Calculate the concentration in μmol / L of the chemist's copper(II) sulfate solution. Round your answer to 3 significant digits.= ____ μmol / L

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Chemical Engineering Algebra 1 Algebra 2 Calculus

02/09/22

Aqueous hydrobromic acid (HBr) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium bromide (NaBr) and liquid water (H2O).

If 2.56g of sodium bromide is produced from the reaction of 6.5g of hydrobromic acid and 5.7g of sodium hydroxide, calculate the percent yield of sodium bromide. Round your answer to 2 significant... more

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Chemical Engineering Algebra 2 Calculus Chemistry

02/09/22

Liquid octane (CH3(CH2)6 (CH3) reacts with gaseous oxygen gas (O2) to produce gaseous carbon dioxide (CO2) and gaseous water (H2O).

If 8.68g of water is produced from the reaction of 29.7g of octane and 43.7g of oxygen gas, calculate the percent yield of water. Round your answer to 3 significant figures.= ____ %

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Chemical Engineering Algebra 1 Algebra 2 Calculus

02/07/22

Liquid octane (CH3(CH2)6 (CH3) reacts with gaseous oxygen gas (O2) to produce gaseous carbon dioxide (CO2) and gaseous water (H2O).

If 8.68g of water is produced from the reaction of 29.7g of octane and 43.7g of oxygen gas, calculate the percent yield of water. Round your answer to 3 significant figures.= ____ %

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Chemical Engineering Algebra 2 Calculus Chemistry

02/07/22

Gaseous butane (CH3(CH2)2 CH3) reacts with gaseous oxygen gas (O2) to produce gaseous carbon dioxide (CO2) and gaseous water (H2O).

If 18.5g of water is produced from the reaction of 34.3g of butane and 87.1g of oxygen gas, calculate the percent yield of water. Round your answer to 3 significant figures.= _____ %

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Chemical Engineering Calculus Chemistry Precalculus

02/06/22

Gaseous butane (CH3(CH2)2 CH3) reacts with gaseous oxygen gas (O2) to produce gaseous carbon dioxide (CO2) and gaseous water (H2O).

If 18.5g of water is produced from the reaction of 34.3g of butane and 87.1g of oxygen gas, calculate the percent yield of water. Round your answer to 3 significant figures.= _____ %

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Chemical Engineering Algebra 2 Calculus Chemistry

02/06/22

Aqueous sulfuric acid (H2SO4) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium sulfate (Na2SO4) and liquid water (H2O).

If 3.23g of sodium sulfate is produced from the reaction of 2.9g of sulfuric acid and 3.3g of sodium hydroxide, calculate the percent yield of sodium sulfate. Round your answer to 2 significant... more

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Chemical Engineering Calculus Chemistry Precalculus

02/04/22

Aqueous hydrobromic acid (HBr) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium bromide (NaBr) and liquid water (H2O).

What is the theoretical yield of sodium bromide formed from the reaction of 4.0g of hydrobromic acid and 3.4g of sodium hydroxide? Round your answer to 2 significant figures.

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Chemical Engineering Algebra 2 Calculus Chemistry

02/02/22

Gaseous butane (CH3(CH2)2 (CH3) reacts with gaseous oxygen gas (O2) to produce gaseous carbon dioxide (CO2) and gaseous water (H2O)

What is the theoretical yield of water formed from the reaction of 4.65g of butane and 26.5g of oxygen gas? Round your answer to 3 significant figures.= _____ g

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