Recent questions in Chemistry

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How would you distinguish between the following pair of compounds using 1H NMR spectroscopy? 1) By comparing the chemical shifts of the protons in each compound 2) By analyzing the splitting patterns of

JII asked Oct 9, 2024

by JII

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the metal cesium crystallizes in a body-centered cubic lattice. if the density of cesium is 1.88 g/cm3, what is the unit cell volume?

Daniel Harris asked Oct 9, 2024

by Daniel Harris

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1 answer

2 votes

73.4k views

What are phosphoserine, phosphothreonine and phosphotyrosine used for?

Mosby asked Oct 9, 2024

by Mosby

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3 votes

230k views

Which one of the following statements is true about the SF4 and PF5 molecules 1. both molecules are polar 2. SF4 is nonpolar while PF5 is polar 3. both molecules have lone pairs on the central atom 4.

TJ Seabrooks asked Oct 9, 2024

by TJ Seabrooks

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41.7k views

Discuss the organization of the elements on the Periodic Table and the properties the elements in each period share. How are elements arranged on the periodic table? What can you learn about elements from

Lathy asked Oct 9, 2024

by Lathy

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1 answer

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218k views

Calculate the reaction rate at absorbance 0.50 in Experiment 2. (make sure to look at the units of the graph if already in M-1, follow these steps).

Katty asked Oct 9, 2024

by Katty

8.7k points

1 answer

3 votes

66.6k views

Which idea can be stated as, "A change in pressure applied to a fluid is transmitted throughout the fluid with a constant magnitude"? A. Archimedes' principle B. Bernoulli's principle OC. Flow rate equation

Iolo asked Oct 9, 2024

by Iolo

8.0k points

1 answer

5 votes

32.5k views

if you mix 11 grams of H2SO4 and 11 grams of potassium hydroxide and collected 2 grams of potassium sulfate, what was your percent yield

Greg Reda asked Oct 9, 2024

by Greg Reda

7.8k points

1 answer

0 votes

60.3k views

What is the mass percent of hydrogen in diethyl ether (C₂H₅)2O? (a) 12.08% (b) 24.16% (c) 36.24% (d) 48.32%

Afterlame asked Oct 9, 2024

by Afterlame

8.2k points

1 answer

1 vote

123k views

Draw ethanol, which is the alcohol needed to form the ester that smells like grape. A) CH₃OH B) CH₃CHO C) C₂H₅OH D) CH₃COOH

Markmnl asked Oct 9, 2024

by Markmnl

8.7k points

1 answer

2 votes

143k views

For each of the following chemical reactions, discuss the change in oxidation number of the metal atom: 2Al₂O₃ → 4Al+3O₂ 1) O is reduced from +2 to -1 2) Al is reduced from +1 to -2 3) Al is reduced from

Roxanne asked Oct 9, 2024

by Roxanne

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2 votes

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An unknown metal element is combined with chlorine to form the compound XCl. What is the oxidation state (charge) on the unknown element X? a) +1 b) -1 c) +2 d) -2

Sensanaty asked Oct 9, 2024

by Sensanaty

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1 vote

215k views

In an electrolytic cell what charge does the anode have?

GPierre asked Oct 9, 2024

by GPierre

7.4k points

1 answer

5 votes

143k views

Predict the major product formed in the oxidation reaction of 3-ethyl-2-hexanol. determine the correct iupac name of the product.

Leremjs asked Oct 9, 2024

by Leremjs

8.3k points

1 answer

3 votes

2.0k views

What kind of bonds were involved in S2O and H2O

Oldfart asked Oct 9, 2024

by Oldfart

9.1k points

1 answer

3 votes

81.1k views

What is atomic number

James Walford asked Oct 9, 2024

by James Walford

7.5k points

1 answer

5 votes

61.3k views

Describe the cooling process during a recrystallization. Why is a slow cooling process important?

Johnpolacek asked Oct 9, 2024

by Johnpolacek

7.8k points

1 answer

1 vote

177k views

Density is a measure of mass per volume, and the equation is d= v/m. You have an unmarked beaker of liquid, and you need to determine the volume of the liquid. The density for this liquid is 1.40 grams

Ossmalpha asked Oct 9, 2024

by Ossmalpha

8.7k points

1 answer

5 votes

110k views

At high temperatures, nitrogen dioxide decomposes into which of the following? 1) Nitric oxide 2) Oxygen gas 3) Nitric oxide and oxygen gas 4) None of the above

MsBugKiller asked Oct 9, 2024

by MsBugKiller

7.5k points

1 answer

4 votes

96.2k views

What is the use of Te in CD

Solomon Slow asked Oct 9, 2024

by Solomon Slow

8.4k points

1 answer

4 votes

233k views

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