Recent questions in Chemistry

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Which process is spontaneous?

Trivunm asked Dec 24, 2024

by Trivunm

9.0k points

1 answer

5 votes

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What are the Ways and ideas to study ym rough surfaces with scanning tunneling microscopy?

Frank DeRosa asked Dec 24, 2024

by Frank DeRosa

7.9k points

1 answer

0 votes

77.8k views

In order to determine the rate at which a gas dissolves in a liquid, you need both the partial pressure of the gas in the liquid as well as the ______________ of the gas.

Rifferte asked Dec 24, 2024

by Rifferte

8.0k points

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1 vote

15.0k views

The ___________ in Group 8A are colorless and odorless and extremely unreactive. a) halogens b) noble gases c) transition metals d) alkali metals

Ninjakannon asked Dec 24, 2024

by Ninjakannon

7.4k points

1 answer

3 votes

123k views

If a K value (equilibrium expression value) is greater than 1, what does it mean?

Rufus Pollock asked Dec 24, 2024

by Rufus Pollock

7.8k points

1 answer

3 votes

194k views

In eukaryotes, what is the DNA wrapped around? a) Histones b) RNA polymerase c) Ribosomes d) Nucleosomes

Leifparker asked Dec 24, 2024

by Leifparker

7.6k points

1 answer

3 votes

98.1k views

If 2.5 moles of hydrogen gas, H2, react in an experiment, how many grams of hydrogen react

Mohit Tomar asked Dec 24, 2024

by Mohit Tomar

8.6k points

1 answer

4 votes

53.7k views

If a gas is cooled from 523 K to 273 K and volume is kept constant what final pressure would result if the original pressure was 745 mm Hg?

Shan Shafiq asked Dec 24, 2024

by Shan Shafiq

8.2k points

1 answer

2 votes

16.4k views

I'm quite new to organic chemistry and want to try menshutkin reaction. Like the reaction in an attachment. I use that recipe: I do everything in a 60ml beaker. I dissolve 18 mmol of pyridine in 35 ml

Luca Marzi asked Dec 24, 2024

by Luca Marzi

8.5k points

1 answer

1 vote

71.9k views

How many lithium atoms are present in of lithium? Round your answer to significant figures.

Rex Morgan asked Dec 24, 2024

by Rex Morgan

8.4k points

1 answer

2 votes

148k views

If X and Y are CW complex's, define the attaching maps for the CW complex X x Y, and the characteristic maps.

Levk asked Dec 24, 2024

by Levk

7.8k points

1 answer

3 votes

99.5k views

An 8.60 gram sample of a hydrated crystal is heated to a constant mass of 5.9 grams. Calculate the percent, by mass, of water in the hydrate.

Jamie Curtis asked Dec 24, 2024

by Jamie Curtis

8.6k points

1 answer

5 votes

149k views

What information is conveyed by the endings -ide, -ate, and -ite in the name of an anion?

Kris Wallsmith asked Dec 24, 2024

by Kris Wallsmith

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1 answer

1 vote

219k views

How many rings does Tetracycline and Zoloft have?

Messy asked Dec 24, 2024

by Messy

8.9k points

1 answer

4 votes

193k views

How many moles CO2 obtained when 5.63 moles C5H12 react with excess O2? C5H12 + 8O2 —> 6H2O + 5CO2

Timaktimak asked Dec 24, 2024

by Timaktimak

8.6k points

1 answer

5 votes

137k views

What is the net ionic equation for the acid/base neutralization reaction described below? 50 mL of 1 M NaOH are added into the calorimeter with a temperature of 23.5 degrees Celsius. 50 mL of 1 M HCl with

Fedest asked Dec 24, 2024

by Fedest

7.9k points

1 answer

4 votes

147k views

Which of the following chemicals can be made of amino acids, is stored in glands, and is secreted into the bloodstream to regulate body functions? buffer enzyme antibody hormone

Duncan Hoggan asked Dec 24, 2024

by Duncan Hoggan

8.5k points

2 answers

5 votes

224k views

What is the net charge of the ionic compound calcium fluoride? (a) 0 (b) 2− (c) 1 (d) 1−

Fugogugo asked Dec 24, 2024

by Fugogugo

8.6k points

1 answer

5 votes

112k views

Ammonium nitrate → Nitrous Oxide + water. Write balanced chemical equations.

Shabenda asked Dec 24, 2024

by Shabenda

8.5k points

1 answer

2 votes

56.4k views

Choose the paramagnetic species from below. A. O₂ B. N₂ C. F₂ D. Ne₂

Alex Salom asked Dec 24, 2024

by Alex Salom

7.7k points

1 answer

4 votes

3.0k views

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