Recent questions in Chemistry

Question

What is the key purpose of a functioning hypothesis?

Erica asked Oct 3, 2024

by Erica

8.7k points

1 answer

2 votes

150k views

After a jar of liquid has been sealed, the level of the liquid decreases slightly because of evaporation. After a slight decrease, the level of the liquid ceases to change. Why?

Sethfri asked Oct 3, 2024

by Sethfri

6.9k points

1 answer

0 votes

166k views

Why does things change temperature?

Belal asked Oct 3, 2024

by Belal

7.9k points

1 answer

3 votes

210k views

Glucose, Galactose, Fructose - what kind of sugars are these: aldose or ketose?

Dcrearer asked Oct 3, 2024

by Dcrearer

7.6k points

1 answer

1 vote

121k views

What is the mole ratio between P4 and O2? A) 4:5 B) 5:4 C) 1:2 D) 2:1

Victor Ronin asked Oct 3, 2024

by Victor Ronin

8.0k points

1 answer

5 votes

203k views

analysis of an iron oxide gave the following results: 77.7 iron, 22.3 oxygen. what is the empirical formula of the oxide

Brian Sachetta asked Oct 3, 2024

by Brian Sachetta

8.7k points

1 answer

4 votes

8.3k views

A solution is prepared by mixing 10grams of bezene (C6H6) in 100g of water to create a solution total Volume of 100ml. Calculate the molarity, mass percent, mole fraction, and molality of bezene in the

Igor Turman asked Oct 3, 2024

by Igor Turman

8.3k points

1 answer

1 vote

227k views

If the heat of solution is large and exothermic, then the amount of energy it costs to separate the ions is (less/greater) than the energy released from hydrating the ions?

Shonda asked Oct 3, 2024

by Shonda

7.9k points

1 answer

5 votes

169k views

A party pump, when used, limits the flavor stability of beer to approximately how long since it puts oxygen (O₂) in contact with the beer?

Bes Ley asked Oct 3, 2024

by Bes Ley

9.1k points

1 answer

3 votes

76.9k views

In order, what are the correct coefficients for the following equation? ___E2SO4 + ___SrCl2 → ___ECl + ___SrSO4 Responses 1,1,1,2 1,1,2,1 1,2,1,1 2,1,1,1

Piercove asked Oct 3, 2024

by Piercove

7.8k points

1 answer

3 votes

194k views

How many products will be formed when copper metal reacts with concentrated trioxonitrate(v) acid. Write an equation for the reaction.

Dslosky asked Oct 3, 2024

by Dslosky

8.3k points

1 answer

1 vote

231k views

Help me out please :)

MikeLim asked Oct 3, 2024

by MikeLim

8.2k points

1 answer

1 vote

224k views

Which of these is the most acidic? O Water (pH of about 7) O Blood (pH of about 7.4) W OGastric Juice (pH of about 1.5) Lemon Juice (pH of about 2.3)

Alex Paulino asked Oct 3, 2024

by Alex Paulino

7.7k points

1 answer

1 vote

159k views

Hello I was thinking about two thermodynamics problems and I wanted to get some insights into how to solve them. The first problem was: Suppose we have one mole of ideal gas under constant external pressure

Michael Hoff asked Oct 3, 2024

by Michael Hoff

8.2k points

1 answer

5 votes

38.8k views

What is the C - O bond order in carbon dioxide?

Mathijsuitmegen asked Oct 3, 2024

by Mathijsuitmegen

8.8k points

1 answer

4 votes

167k views

A regular, repeating arrangement of atoms, ions, or molecules is a) a compound b. a crystal c. impossible to break d. a polyatomic ion

Hekevintran asked Oct 3, 2024

by Hekevintran

8.1k points

1 answer

3 votes

160k views

True or false PETCO2 will normally read lower than PaCO2

Dkova asked Oct 3, 2024

by Dkova

8.0k points

1 answer

0 votes

108k views

Select the chemical equation that most likely represents the reaction between the vinegar and the dolomite.

Diniece asked Oct 3, 2024

by Diniece

8.6k points

1 answer

1 vote

141k views

As the temperature of the reaction increases, what happens to the average time for the tablet to dissolve? 1) The average time for the tablet to dissolve increases 2) The average time for the tablet to

Mudit Gulgulia asked Oct 3, 2024

by Mudit Gulgulia

8.7k points

1 answer

2 votes

16.8k views

A 1.00 gram sample of which of the following compounds contains the greatest mass of oxygen? And explain.K2O2

Shagberg asked Oct 3, 2024

by Shagberg

8.8k points

1 answer

2 votes

6.4k views

Page:

« prev
1
...
942
943
944
945
946
947
948
...
1000
...
next »

Ask a Question

Recent questions in Chemistry

Other Questions