Recent questions in Chemistry

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Determine the volume of 1400g of CH4 gas at STP

Steve Melnikoff asked Sep 27, 2024

by Steve Melnikoff

7.8k points

1 answer

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Mnemonic for Short/Medium Chain FA Carbon's

Missuse asked Sep 27, 2024

by Missuse

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1 answer

1 vote

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How can others farmers be affected of another regions cloud seeding

Iwasrobbed asked Sep 27, 2024

by Iwasrobbed

8.3k points

1 answer

1 vote

185k views

Choose 1 type of electromagnetic wave. Write 3 sentences about that type of wave. Describe the wave's frequency and wavelength as well as what the wave is used for in the real world.

Apanatshka asked Sep 27, 2024

by Apanatshka

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2 answers

4 votes

223k views

Which of the following is true for a reaction at equilibrium? (a) ΔG = ΔG° (b) ΔG° + RT ln [X]/[Y] = 0 (c) RT ln [X]/[Y] = 0 (d) ΔG + ΔG° = RT ln [X]/[Y]

Thomasleveil asked Sep 27, 2024

by Thomasleveil

7.7k points

1 answer

5 votes

149k views

Is the sun a planet ?

Rahul Bobhate asked Sep 27, 2024

by Rahul Bobhate

8.4k points

2 answers

5 votes

130k views

A 52.0-mL volume of 0.350 mol L^−1 CH3COOH (Ka=1.8×10^−5) is titrated with 0.400 mol L^−1 NaOH. Calculate the pH after the addition of 29.0 mL of NaOH.

Alonza asked Sep 27, 2024

by Alonza

8.1k points

1 answer

2 votes

150k views

When a Carbon Dioxide molecule combines with a 5-Carbon compound, how many 3-Carbon compounds are produced?

Plplmax asked Sep 27, 2024

by Plplmax

8.9k points

1 answer

5 votes

118k views

Calculate the molar mass of a compound if 0.416 mole of it has a mass of 344.0 g. Round your answer to 3 significant digits

Juanpavergara asked Sep 27, 2024

by Juanpavergara

8.6k points

2 answers

4 votes

165k views

Balance and classify the following chemical equations. NaOH(aq)+HCl(aq)→NaCl(aq)+___H2O(l) A) 1, B) 2, C) 3, D) 4.

Zebedee asked Sep 27, 2024

by Zebedee

8.8k points

1 answer

2 votes

191k views

What is the Ka for an acid HA, if the equilibrium concentrations are [HA]=0.822 M, [H3O+]=1.15×10−4 M, and [A−]=1.15×10−4 M? Report your answer in scientific notation. Your answer should have three significant

Antejan asked Sep 27, 2024

by Antejan

9.1k points

2 answers

5 votes

96.3k views

What would make a heavy, positive alpha particle bounce back like that? A. The alpha particle collided with an electron. B. The alpha particle collided with some negatively charged particle. C. The alpha

Robnick asked Sep 27, 2024

by Robnick

8.9k points

1 answer

3 votes

71.5k views

Which type of bond will be formed if x²−y² is approached by px along the x-axis? a) Sigma (σ) bond b) Pi (π) bond c) Delta (δ) bond d) Double bond

Imi Borbas asked Sep 27, 2024

by Imi Borbas

8.4k points

1 answer

1 vote

134k views

Discuss the method of preparation of suppositories and pessaries including their displacement value and evaluation.

Broo asked Sep 27, 2024

by Broo

8.4k points

1 answer

4 votes

37.5k views

Compare and contrast between Daniel cell and Leclanche cell.

Shubham Mittal asked Sep 27, 2024

by Shubham Mittal

7.6k points

1 answer

3 votes

113k views

Benzene can be prepared from acetylene. Determine the equilibrium constant at different temperatures. Is the reaction spontaneous at either of these temperatures? Why is all acetylene not found as benzene?

Jwwnz asked Sep 27, 2024

by Jwwnz

7.9k points

1 answer

1 vote

152k views

How many moles are contained in each number of grams of table sugar (c12h22o11, molar mass 342.3 g/mol)? A) 1 moles B) 10 moles C) 5 moles D) 15 moles

Tobymackenzie asked Sep 27, 2024

by Tobymackenzie

7.7k points

1 answer

3 votes

144k views

What is the electron configuration of the oxide ion (O²–)? a) 1s²2s²2p² b) 1s²2s²2p⁴ c) 1s²2s² d) 1s²2s²2p⁶

Nfernandez asked Sep 27, 2024

by Nfernandez

7.9k points

1 answer

4 votes

155k views

Calculate the molar ratio of NaF to HF required to create a buffer with pH=4.20. Ka(HF)=6.8x10^(-4)

Didil asked Sep 27, 2024

by Didil

8.1k points

1 answer

3 votes

160k views

Which process would most likely be employed to separate a mixture of sand and water? a.) osmosis b.) filtration c.) fractionation d.) chromatography

Ashish John asked Sep 27, 2024

by Ashish John

7.8k points

1 answer

0 votes

228k views

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