Recent questions in Chemistry

Question

Leaving implements in quats for longer than 10 minutes can lead to? 1) Rusting 2) Corrosion 3) Discoloration 4) All of the above

DonLarry asked Oct 7, 2024

by DonLarry

7.8k points

1 answer

4 votes

159k views

What is one of the results of a chemical peel done by a doctor?

Dinky asked Oct 7, 2024

by Dinky

8.5k points

1 answer

2 votes

76.1k views

Calculate the theoretical number of moles of hydrogen gas produced?

Vinay Patil asked Oct 7, 2024

by Vinay Patil

8.1k points

1 answer

3 votes

167k views

Excitation of electrons occurs in special structures of the thylakoid membrane called a) Grana b) Stroma c) Photosystems d) Thylakoid lumen

Zombiesauce asked Oct 7, 2024

by Zombiesauce

8.0k points

1 answer

2 votes

108k views

1. Classify each of the following reactions as endothermic or exothermic. a) CaCO3 (s) -----> CaO (s) + CO2 (g) ΔHrxn = +177 kJ b) 2C (s) + H2 (g) + 21 kJ -------> C2H2 (g) c) H2 (g) + F2 (g) -------->

Brinsley asked Oct 7, 2024

by Brinsley

8.2k points

1 answer

1 vote

183k views

What happens to the ratio of oxygenated HbO₂(aq) to deoxygenated Hb(aq), i.e. when there is a high pressure of oxygen, PO₂(g), in the lungs?

Eyal Golan asked Oct 7, 2024

by Eyal Golan

8.9k points

1 answer

5 votes

55.3k views

An enzyme acts as a catalyst to speed up a reaction without being altered itself?

Josh Harrison asked Oct 7, 2024

by Josh Harrison

7.5k points

1 answer

5 votes

201k views

PLEASE HELP ME ITS DUE IN A COUPLE OF HOURS

Atakann asked Oct 7, 2024

by Atakann

7.2k points

1 answer

0 votes

40.9k views

Using the process of diffusion, what happens when a person in a hospital is given fluid in an IV, and the fluid is typically a saline solution with about the same water concentration as human body tissue?

TheLazyChap asked Oct 7, 2024

by TheLazyChap

8.6k points

1 answer

2 votes

128k views

6 electron pairs give you what molecular geometry and angles? A) Octahedral, 90° B) Trigonal Bipyramidal, 120° and 90° C) Tetrahedral, 109.5° D) Linear, 180°

Riajul Islam asked Oct 7, 2024

by Riajul Islam

7.9k points

1 answer

2 votes

230k views

For the following reaction: 42.1 g KH(SO₄)+20.6 g KOH→K₂SO₄+H₂O What is the maximum amount of potassium sulfate that can be formed in grams? What is the formula for the limiting reagent? What amount of

Xxxmatko asked Oct 7, 2024

by Xxxmatko

7.9k points

1 answer

4 votes

235k views

Immediately after trituration, amalgam is:

J Cena asked Oct 7, 2024

by J Cena

7.4k points

1 answer

5 votes

22.9k views

What causes the pH to drop and turn the neutral red dye red in color? A) Increase in hydrogen ion (H+) concentration B) Decrease in hydrogen ion (H+) concentration C) Introduction of alkaline substances

Thatidiotguy asked Oct 7, 2024

by Thatidiotguy

8.4k points

1 answer

0 votes

86.5k views

But if a cloud has some hot young stars forming within it, it can glow. This type of cloud is called a(n): a) Supernova Remnant b) Hubble Nebula c) Star Cluster d) Emission Nebula

Shawna asked Oct 7, 2024

by Shawna

8.6k points

1 answer

2 votes

108k views

Dinitrogen pentoxide decomposes to form nitrogen dioxide oxygen, following the equation 2n2o5 >4no2 +o2. at a certain timepoint, n2o5 is being consumed at a rate of 0.1 m/s. what's the rate production

Bartosz Blimke asked Oct 7, 2024

by Bartosz Blimke

8.3k points

1 answer

3 votes

32.9k views

What does Anticholinesterase do to acetylcholine?

Kleinfreund asked Oct 7, 2024

by Kleinfreund

8.1k points

1 answer

3 votes

224k views

Which of the following is NOT a substance made of one type of molecule? A) Carbon Dioxide B) Glucose C) Water D) A cell in the human body

Guy Avraham asked Oct 7, 2024

by Guy Avraham

8.8k points

1 answer

3 votes

204k views

Between ccl four and CH₄, which should have the higher boiling point? 1) ccl four 2) CH₄

Cyberzed asked Oct 7, 2024

by Cyberzed

7.7k points

1 answer

0 votes

166k views

According to the ideal gas law, what will be the volume of 0.25 mol of nitrogen at 0.82 atm pressure and 57 C temperature

Nabulke asked Oct 7, 2024

by Nabulke

7.8k points

1 answer

2 votes

142k views

From the Ka values for oxalic acid, Ka1 = 5.62 x 10⁻² and K 2 = 5.42 x 10⁻⁵ calculate the two Kb values of oxalate.

Drazewski asked Oct 6, 2024

by Drazewski

8.4k points

1 answer

0 votes

35.0k views

Page:

« prev
1
...
905
906
907
908
909
910
911
...
1000
...
next »

Ask a Question

Recent questions in Chemistry

Other Questions