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Sulphuric acid is produced by complex industrial processes like contact process.Why sulphuric acid cannot be produced through the protonaction of sulphate ions, for example, by mixing HCl and Na2SO4. After

Kpucha asked Dec 3, 2024

by Kpucha

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1. A researcher raises the temperature from 32.0 to 45.9 ⁰ C and finds that the rate of the reaction doubles. What was the activation energy (in kJ/mol) for this reaction? (R = 8.3145 J/mol K) 2. A researcher

Isakbob asked Dec 3, 2024

by Isakbob

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Pyruvic acid is converted to ____________ following the loss of one carbon dioxide molecule and 2 hydrogen molecules. a. Acetic acid b. Lactic acid c. Ethanol d. Citric acid

Sports asked Dec 3, 2024

by Sports

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what is the geometry of the methyl group ( -ch3) on the left at the carbon atom in the cocaine molecule:____

Poovaraj asked Dec 3, 2024

by Poovaraj

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5 votes

3.1k views

I need the answer of that figure please

Kenneth Salomon asked Dec 3, 2024

by Kenneth Salomon

8.4k points

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3 votes

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# Problem 1. The temperature of 8.4 L of SF6 is changed from 919.3 K to 304 K. What is the new volume of the gas in milliliters?

Awithrow asked Dec 3, 2024

by Awithrow

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5 votes

141k views

Consider the same reaction: 2 molecules of ethylene (C₂H₄) react with 1 molecule of oxygen (O₂) to produce some amount of acetaldehyde (C₂H₄O). Use the number of atoms in the products to answer the question

Shanera asked Dec 3, 2024

by Shanera

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1 vote

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Find the conditional formation constant for Mg(EDTA)²⁻ at pH 9.00.

Nikolay Dimitrov asked Dec 3, 2024

by Nikolay Dimitrov

8.4k points

1 answer

2 votes

4.3k views

A chemical formula includes the blank for each element followed by a blank number that stands for the number of blank of that element in the compound

Arc asked Dec 3, 2024

by Arc

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1 answer

4 votes

54.1k views

A person pushes a box. He applies a force of 400 newtons, and he pushes the box for a distance of 4 meters After he stops pushing, the box slides forward another meter. How much work was done by the person?

Carleny asked Dec 3, 2024

by Carleny

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1 vote

139k views

Which ion is an oxyanion? a) NH₄⁺ b) Cl⁻ c) E²⁺ d) PO₄³⁻

Dinocarl asked Dec 3, 2024

by Dinocarl

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1 vote

227k views

Which of the following weak acids would be the best to use to make a buffer solution of pH = 4.8? a. Acetic acid (Kₐ = 1.75 × 10⁻⁵) b. Formic acid (Kₐ = 1.8 × 10⁻⁴) c. Dihydrogen phosphate (Kₐ = 6.2 ×

Virsha asked Dec 3, 2024

by Virsha

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What is the most abundant anion in the ECF? A. HCO₃ B. PO₄₃ C. HPO₄₂ D. H2PO₄ E. Cl-

Kamiel asked Dec 3, 2024

by Kamiel

7.7k points

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3 votes

214k views

Hydrogen occurs mainly in combination with oxygen and water,as well as in organic matter such as living plants, coal and petroleum. A. True B. False

Chuck Le Butt asked Dec 3, 2024

by Chuck Le Butt

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2 votes

131k views

Explain how aromatic amines can be prepared.

Samuel Everson asked Dec 3, 2024

by Samuel Everson

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1 vote

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A multi-nutrient fertilizer contains several different nitrogen containing compounds. The fertilizer is 52.2% CH4N2O (urea), 22.0% KNO₃ , and 12.0% (NH₄)2HPO₄ by mass. The remainder of the fertilizer consists

Bhaller asked Dec 3, 2024

by Bhaller

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1 vote

112k views

How much ice can be melted with 560 joules of heat?

Petar Bivolarski asked Dec 3, 2024

by Petar Bivolarski

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2 answers

1 vote

35.7k views

Polysulfide rubber (mercaptan) Working and setting times can be shortened by ___.

Manish Nahar asked Dec 3, 2024

by Manish Nahar

7.6k points

1 answer

2 votes

74.3k views

A student is making a solution of sugar in water. If the student uses 0.28 moles of sugar and enough water to make 354.39 milliliters of solution, what is the molarity of the student's sugar solution?

LazerSharks asked Dec 3, 2024

by LazerSharks

8.8k points

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1 vote

9.3k views

Ozone depletion occurs when chlorofluorocarbons (cfcs) and halons—gases formerly found in aerosol spray cans and refrigerants—are released into the atmosphere in simple words. a. True b. False

Michael Ma asked Dec 3, 2024

by Michael Ma

8.2k points

1 answer

3 votes

5.7k views

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