Recent questions in Chemistry

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At relatively low substrate concentrations, the rxn velocity _____ as the substrate concentration ______.

Gatti asked Oct 8, 2024

by Gatti

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What is the half-life of a piece of wood that retains 0.7813% of the carbon-14 content found in a living organism? A) 2,570 years B) 5,140 years C) 7,710 years D) 11,460 years

Otterb asked Oct 8, 2024

by Otterb

8.3k points

1 answer

4 votes

93.9k views

For the deprotonation of a terminal alkyne, why is it that NaNH_2 in liquid ammonia is used and not NaNH_2 in water? a) NaNH_2 in water causes excessive side reactions. b) Liquid ammonia acts as a better

Kekomal asked Oct 8, 2024

by Kekomal

8.2k points

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5 votes

66.9k views

Draw all isomers of c₆h₁₂ with a cyclopropane ring

Mike Baxter asked Oct 8, 2024

by Mike Baxter

9.0k points

1 answer

3 votes

139k views

Is there a pattern for all the molecules when there are three total atoms

Vadim Eisenberg asked Oct 8, 2024

by Vadim Eisenberg

8.2k points

1 answer

4 votes

71.1k views

The student used 15.0 cm³ of 2.00 mol/dm³ sulfuric acid to prepare the crystals. Calculate the maximum mass of hydrated copper(II) sulfate crystals that could be made. a) 320 g b) 80 g c) 160 g d) 40 g

Michel Borges asked Oct 8, 2024

by Michel Borges

8.2k points

1 answer

0 votes

197k views

How are the following similar, and how do they differ? a) Atomic orbitals and molecular orbitals b) Ionic and covalent bonds c) Resonance and isomerism d) Sigma and pi bonds

Kevorski asked Oct 8, 2024

by Kevorski

7.8k points

1 answer

2 votes

114k views

calculate the minimum ph needed to precipitate from a 0.1000-m solution so completely that the concentration of the remaining ions is less than 0.2 mg per litre.

Shivansh Goel asked Oct 8, 2024

by Shivansh Goel

8.9k points

1 answer

5 votes

74.0k views

How is the acidic concentration of a solution determined? How do you know when the endpoint is reached in a titration? When does this occur? PLEASE BE ACCURATE! THANK YOU!!:)

Atif Tariq asked Oct 8, 2024

by Atif Tariq

8.4k points

1 answer

5 votes

50.4k views

How do you describe plastic pollution in your own words!? PLS IT URGENT!!

Alex Nuts asked Oct 8, 2024

by Alex Nuts

8.0k points

2 answers

3 votes

153k views

What is the pH of a solution prepared by mixing exactly 30.0 mL of 0.200 M HC₂H₃O₂ with 15.0 mL of 0.400 M KOH?

Alan Hensel asked Oct 8, 2024

by Alan Hensel

7.7k points

1 answer

2 votes

60.3k views

Use the data in the simulation to find the concentration of hydroxide, OH−, ions in a 0.100 M solution of HF, hydrofluoric acid.Express your answer to three significant figures, and include the appropriate

Pvans asked Oct 8, 2024

by Pvans

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1 answer

2 votes

58.4k views

Temperature ranges must support life ~0°C --- 45°C (some rare cases are lower and some are higher) A. Geosphere B. Atmosphere C. Biosphere D. Hydrosphere

Blablaenzo asked Oct 8, 2024

by Blablaenzo

7.9k points

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1 vote

203k views

Respiratory Pathogens can exit the body most effectively by ________

Vallllll asked Oct 8, 2024

by Vallllll

8.2k points

1 answer

5 votes

211k views

What is the difference between 2 O2 and O2?

Adam Staszak asked Oct 8, 2024

by Adam Staszak

7.9k points

1 answer

2 votes

28.2k views

I jus need help w my science stuff☠️

Chris Hinton asked Oct 8, 2024

by Chris Hinton

8.0k points

1 answer

1 vote

91.7k views

What is the predominant bonding type for mg2pb?

Ancestral asked Oct 8, 2024

by Ancestral

7.8k points

1 answer

2 votes

100k views

Convert the weight of a neonate from 3100 grams to pounds and ounces.

Abaracedo asked Oct 8, 2024

by Abaracedo

8.4k points

1 answer

1 vote

210k views

What is the best order of separation techniques of a mixture of rubbing alcohol, water, salt, iron filings, and wood shavings? Filter wood and iron from liquids Evaporation to separate salt from water

Chirag Shah asked Oct 8, 2024

by Chirag Shah

7.9k points

1 answer

4 votes

81.4k views

a metal block with dimensions 2.5dm x 5.8cm x 50mm has a mass of 7.56kg. calculate the desity of the block in g/cm^3

Murali Allada asked Oct 8, 2024

by Murali Allada

7.9k points

1 answer

0 votes

203k views

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