Recent questions in Chemistry

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In the word explosion, What does the suffix -sion mean?

Mrmashal asked Oct 5, 2024

by Mrmashal

8.6k points

1 answer

2 votes

93.5k views

What is your hypothesis for what will happen to the egg soaked in vinegar? (Research on how many ml of water are found in vinegar?) A. The egg will expand due to osmosis. B. The egg will shrink due to

Setmax asked Oct 5, 2024

by Setmax

8.5k points

1 answer

2 votes

33.1k views

50 mg of Penicillin powder is mixed with 250 mL of water. The resulting concentration in w/v is _____%.

Dgzz asked Oct 5, 2024

by Dgzz

8.4k points

1 answer

5 votes

161k views

DNA double helix does not have which of the following? a) Sugar-phosphate backbone b) Complementary base pairing c) Antiparallel strands d) Single-stranded regions

Jimmy Mattsson asked Oct 5, 2024

by Jimmy Mattsson

7.2k points

1 answer

3 votes

14.2k views

What kind of oil has a fruity flavor and green color?

Steven Hovater asked Oct 5, 2024

by Steven Hovater

8.2k points

1 answer

1 vote

141k views

Matt has 100 grams of Nitrogen. He is wondering how much volume the Nitrogen will take up if it maintains its normal density. Calculate the volume, and show your work.

Fenceop asked Oct 5, 2024

by Fenceop

8.1k points

1 answer

4 votes

167k views

What is a non-spontaneous reaction that results in an increase in molecular order, requiring energy? The reverse reaction releases energy (and is spontaneous).

Thedanotto asked Oct 5, 2024

by Thedanotto

7.1k points

1 answer

2 votes

170k views

What is mZSRW? A. 18° B. 54° C. 126° D. 108°

Eklektek asked Oct 5, 2024

by Eklektek

7.9k points

1 answer

2 votes

111k views

Chemicals that are used to dilute an illicit drug and to give it more a). Excipients b). Diluents c). Adulterants d). Thinners e). Weakeners

Easeccy asked Oct 5, 2024

by Easeccy

8.2k points

1 answer

1 vote

45.6k views

In S2Cl₂, what is the hybridization of the interior atoms and what is the geometry based on VSEPR theory?

Chrisdembia asked Oct 5, 2024

by Chrisdembia

8.2k points

1 answer

2 votes

188k views

What functional group forms in an acid-catalyzed reaction between a secondary amine and a ketone? 1) Enamine 2) Nitrile 3) Imine 4) Alkene

Alex Griffis asked Oct 5, 2024

by Alex Griffis

8.4k points

1 answer

1 vote

165k views

A protein made up of 125 amino acids contains an isoleucine residue at position 54 in its polypeptide chain. which amino acid could be substituted for this isoleucine and be expected to cause the least

Annisha asked Oct 5, 2024

by Annisha

7.8k points

1 answer

1 vote

166k views

What is the amount of water that is moved out of the way when the object is placed in Water called

Kalbsschnitzel asked Oct 4, 2024

by Kalbsschnitzel

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1 answer

1 vote

150k views

Which of the following is NOT a conjugate acid-base pair? 1) CH3COO- and CH3COOH 2) F- and HF 3) H₂O and H3O+ 4) NH₃ and H3O+

Web Student asked Oct 4, 2024

by Web Student

8.6k points

1 answer

0 votes

77.4k views

All pesticide labels must include: A. Directions for use B. Precautionary statement C. Disposal instructions D. All of the above

Ben Flynn asked Oct 4, 2024

by Ben Flynn

8.0k points

1 answer

3 votes

183k views

Calculate the normal boiling point of a solution made by dissolving 21.2g of nacl in 135 ml of water

Siva Tumma asked Oct 4, 2024

by Siva Tumma

8.7k points

1 answer

4 votes

8.9k views

How many sheets does an M8 chemical detector paper typically have? A) 10 sheets B) 15 sheets C) 20 sheets D) 25 sheets

John Scalo asked Oct 4, 2024

by John Scalo

7.9k points

1 answer

5 votes

7.9k views

PLEASE ANSWER QUICKLY, THIS NEEDS TO BE DONE BY TOMORROW!!!

SLLegendre asked Oct 4, 2024

by SLLegendre

8.1k points

1 answer

3 votes

63.6k views

Pb(SO₄) 2+2Zn→2ZnSO⁴ +Pb If 0.417 mol of zinc reacts with excess lead(IV) sulfate, how many grams of zinc sulfate will be produced in the reaction? a) 25.16 g b) 50.32 g c) 75.48 g d) 100.64 g

Ido Sela asked Oct 4, 2024

by Ido Sela

8.6k points

1 answer

5 votes

29.2k views

Calculate the concentration of a standard if 2.03 ml of 5.502 x 10⁻⁵ m stock solution was diluted with 8.10 ml of water?

Tim Scollick asked Oct 4, 2024

by Tim Scollick

8.0k points

1 answer

5 votes

198k views

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