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the common ion effect and ph buffers. what masses of bromoacetic acid and sodium bromoacetate are needed to prepare 1.00 l of ph 3.00 buffer if the total concentration of the two components is 0.200 m?

Ulf Jaehrig asked Oct 15, 2024

by Ulf Jaehrig

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4 votes

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Arrange the following in the increasing order of the strength of ionic bond- a K₂O b CaO c MgO d KCl A cdba B bcda C dabc D acdb

Ratchet Freak asked Oct 15, 2024

by Ratchet Freak

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5 votes

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Soaking items for sanitation is acceptable at what temperature, for how long ?

Oliver Weichhold asked Oct 15, 2024

by Oliver Weichhold

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4 votes

138k views

CO Poisoning Situations—Slow Speed or Station Wagon Effect Options: A) Engine maintenance B) Air circulation C) Speed regulations D) Ventilation techniques

Nikes asked Oct 15, 2024

by Nikes

8.4k points

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5 votes

204k views

What is one thing that abscisic acid affects?

Wikichen asked Oct 15, 2024

by Wikichen

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1 answer

3 votes

211k views

Which quantum number is represented by 'n' in quantum mechanics? a) Principal quantum number b) Magnetic quantum number c) Spin quantum number d) Angular momentum quantum number

Harsha R asked Oct 15, 2024

by Harsha R

7.9k points

1 answer

0 votes

223k views

Instruments need to be bagged before steam sterilization to A) Prevent contamination B) Promote drying C) Allow for easy identification D) Facilitate air circulation

Twiggeh asked Oct 15, 2024

by Twiggeh

8.4k points

1 answer

3 votes

8.2k views

An aerated lagoon (a sewage treatment pond that is mixed with air) is being proposed for a small lake community in northern Wisconsin. The lagoon must be designed for the summer population but will operate

Joe Amenta asked Oct 15, 2024

by Joe Amenta

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1 answer

4 votes

161k views

The greater color change in the bromothymol blue experiment when running showed an increased rate of production. A. oxygen C. glucose B. water D. carbon dioxide --

Taks asked Oct 15, 2024

by Taks

8.2k points

1 answer

5 votes

95.1k views

In my lab manual this is written but I can’t see how this is true The heat of neutralization of weak acids by strong bases is less than 13.7 Cal/mole because the weak acid becomes completely ionized before

Kajiyama asked Oct 15, 2024

by Kajiyama

8.1k points

1 answer

0 votes

171k views

An equation for the reaction of cuprous chloride with 1-phenylpropylene

Yoann Buzenet asked Oct 15, 2024

by Yoann Buzenet

7.6k points

1 answer

3 votes

86.1k views

Convert: 5.378 mol K2O = _____ g K2O

Chandrika asked Oct 15, 2024

by Chandrika

7.4k points

1 answer

5 votes

206k views

A galvanic cell runs for 1.0 minute with a current of 0.20 A. How much charge passed through the cell in that time? (F = 96,500 C/mol)

KarimS asked Oct 15, 2024

by KarimS

8.0k points

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4 votes

161k views

The number of moles of oxygen in 2 moles of magnesium sulfate is: A) Mole4 B) Mole6 C) Mole8 D) Mole2

VivekDas asked Oct 15, 2024

by VivekDas

8.2k points

1 answer

5 votes

40.2k views

You should know the outage needed for the liquids you carry because 1. Some of the heaviest liquids do not need any outage 2. some liquids expand more than others when they get warm . 3. tank baffles are

Skyfoot asked Oct 15, 2024

by Skyfoot

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3 votes

161k views

2) why is it important to maintain the reaction temperature low and the addition of nitric acid-sulfuric acid mixture carried out slowly?

Andrey Gagan asked Oct 15, 2024

by Andrey Gagan

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5 votes

24.5k views

For the given zero-order reaction A→B+C, if the initial concentration of A is 2 M and the rate of reaction is 2 M/s, then: a) The reaction has a half-life of 1 second. b) The reaction has a half-life of

Siim Kallari asked Oct 15, 2024

by Siim Kallari

8.8k points

1 answer

2 votes

105k views

Assertion (A): Noble gases have positive electron gain enthalpy. Reason (R): Noble gases have stable closed-shell electronic configuration. (a) Both (A) and (R) are true, and (R) is the correct explanation

Christok asked Oct 15, 2024

by Christok

8.2k points

1 answer

3 votes

125k views

Which of the following statements is true about the average kinetic energy of the particles of a gas? It is directly proportional to the size of the particles. It is inversely proportional to the size

Kirby Todd asked Oct 15, 2024

by Kirby Todd

9.3k points

1 answer

4 votes

119k views

Calculate the normality of 0.5M Na2CO3 solution

Siros Fakhri asked Oct 15, 2024

by Siros Fakhri

7.9k points

1 answer

1 vote

154k views

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