Recent questions in Chemistry

Question

What area commonly used lubricants for drilling?

Masika asked Oct 1, 2024

by Masika

8.1k points

1 answer

3 votes

89.9k views

How many particles of gold is 2.7 moles of gold?

Kortina asked Oct 1, 2024

by Kortina

8.4k points

1 answer

0 votes

141k views

A voltaic cell employs the following redox reaction: ( Sn²+(aq) + Mn(s) longrightarrow Sn(s) + Mn²+(aq) ) Calculate the cell potential, in volts, at 25°C under standard conditions. a) +2.71 V b) -2.71

Jcragun asked Oct 1, 2024

by Jcragun

8.4k points

1 answer

3 votes

119k views

What is the stoichiometric ratio of magnesium to magnesium oxide formed when magnesium burns in air? a) 1:1 b) 1:2 c) 2:1 d) 2:3

Notihs asked Oct 1, 2024

by Notihs

9.2k points

1 answer

1 vote

455 views

Why is a beaker not a good vessel for recrystallization? a) It doesn't allow for efficient heat transfer b) It's difficult to clean c) It's prone to breaking d) It doesn't hold enough solvent

Umesh Kadam asked Oct 1, 2024

by Umesh Kadam

8.8k points

1 answer

1 vote

148k views

Most chiral natural amino acids have an R or S configuration?

Petru Tanas asked Oct 1, 2024

by Petru Tanas

7.7k points

1 answer

3 votes

21.6k views

Does MgCl2 contain a metal ion with variable charge?

Can Lu asked Oct 1, 2024

by Can Lu

8.3k points

1 answer

4 votes

87.9k views

At the same temperature, which of the following gases will effuse the slowest? A) Hydrogen B) Oxygen C) Nitrogen D) Helium

Soeren asked Oct 1, 2024

by Soeren

7.6k points

1 answer

3 votes

118k views

Identify a true statement about a redox reaction. a. It is always nonspontaneous. b. It involves a transfer of electrons between two species. c. It creates electrons. d. It involves a transfer of protons

Matt Wolin asked Oct 1, 2024

by Matt Wolin

8.3k points

1 answer

0 votes

154k views

Balance the following equation by choosing the correct coefficient for X, Y and Z. X P (s) + Y O_2 (g) ⟶⟶ Z P_2O_5 (s) X = 4 Y= Z= A. X=4, Y=7, Z=2 B. X=3, Y=5, Z=4 C. X=2, Y=6, Z=3 D. X=1, Y=3, Z=5

MikeHelland asked Oct 1, 2024

by MikeHelland

7.9k points

1 answer

1 vote

207k views

Relative humidity of air at 15C when it’s water vapor content is 7 g/kg

Mihir Patel asked Oct 1, 2024

by Mihir Patel

8.3k points

1 answer

5 votes

108k views

How many moles of NiF2 are in 64.3g NiF2

Riiich asked Sep 28, 2024

by Riiich

8.0k points

1 answer

1 vote

63.4k views

For the following molecule, how many unique signals would you expect to see for 1H NMR? a) 3 b) 4 c) 5 d) 6

Muhammad Adeel Malik asked Sep 28, 2024

by Muhammad Adeel Malik

6.9k points

1 answer

5 votes

210k views

Which classes of hydrocarbons react rapidly at room temperature by addition reactions?

Adrian Mole asked Sep 28, 2024

by Adrian Mole

8.2k points

1 answer

5 votes

14.8k views

100 Points! Chemistry question. Photo attached. Please show as much work as possible. Thank you!

A Aiston asked Sep 28, 2024

by A Aiston

8.1k points

1 answer

0 votes

4.9k views

What are all the elements that can double bond?

Raviraj Jadeja asked Sep 28, 2024

by Raviraj Jadeja

7.4k points

1 answer

3 votes

224k views

My understanding is that hydrogen bonds formed by proteins require the NH2 / COOH to be neutral. Hence to find out when the hydrogen bonds are the strongest will depend on the absolute charge of the protein

Tourniquet asked Sep 28, 2024

by Tourniquet

8.1k points

1 answer

5 votes

17.4k views

Balance the redox reaction occurring in basic solution. Cl2(g) + Mn2+ (aq) + MnO2 (s) + CI+ (aq) Express your answer as a chemical equation. Identify all of the phases in your answer. ΑΣΦ ? A chemical

Joseph Dunn asked Sep 28, 2024

by Joseph Dunn

8.6k points

2 answers

2 votes

162k views

Indirect vaporizers shall be provided with an automatic means to prevent ________.

Nabha Cosley asked Sep 28, 2024

by Nabha Cosley

8.9k points

1 answer

2 votes

176k views

a 10.00 ml sample of nitric acid, hno3, requires 0.108 g of barium hydroxide, ba(oh)2, for titration to the equivalence point. what is the concentration of the nitric acid?

Birone asked Sep 28, 2024

by Birone

8.5k points

2 answers

1 vote

212k views

Page:

« prev
1
...
976
977
978
979
980
981
982
...
1000
...
next »

Ask a Question

Recent questions in Chemistry

Other Questions