Recent questions in Chemistry

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Find the mass in grams of 3.75 mol of sucrose

Michal Kottman asked Dec 28, 2023

by Michal Kottman

3.0k points

1 answer

20 votes

217k views

Which of the following statement is true? If I have the same number of moles I will have different atomic masses If I have the same number of moles have a different number of atoms If I have the same number

Iskramac asked Dec 28, 2023

by Iskramac

3.3k points

1 answer

40 votes

230k views

Need help with balancing equations!

Sander Toonen asked Dec 28, 2023

by Sander Toonen

2.7k points

2 answers

17 votes

379k views

A 11 liter balloon holding 7.7 moles of carbon dioxide leaks. If we are able to determinethat 2.97 moles of carbon dioxide escaped before the container could be sealed, what isthe new volume of the container?

Jazmine asked Dec 28, 2023

by Jazmine

2.5k points

1 answer

20 votes

321k views

In 1-2 sentences, describe what happens to atoms of a compound when a chemical reaction occurs

Nicolas Othmar asked Dec 28, 2023

by Nicolas Othmar

2.6k points

1 answer

1 vote

317k views

As soon as you realize that you are in danger, you feel your heart speed up. You feel very aware of your surroundings. Your whole body is preparing to run or fight for your life. Which of the following

Labs asked Dec 28, 2023

by Labs

2.4k points

1 answer

5 votes

130k views

Describe briefly a chemical test to identify a sample of each of the following gases in the laboratory. For each test include a short description of the procedure (method) and the expected observations.

Thellimist asked Dec 28, 2023

by Thellimist

3.0k points

1 answer

27 votes

486k views

A heterogeneous mixture is: A. composed of atoms bonded together. B. composed of different parts that are indistinguishable in their color, texture, or appearance. C. composed of only one type of element.

Ramashankar asked Dec 28, 2023

by Ramashankar

3.0k points

1 answer

9 votes

187k views

How to describe magnesium and iodine atoms ionize and form the binary compound magnesium iodide

PiyushRathi asked Dec 28, 2023

by PiyushRathi

3.0k points

1 answer

33 votes

37.6k views

How Many grams of H2O are equivalent to 0.4 mole of H2O ?

Foti Dim asked Dec 28, 2023

by Foti Dim

2.6k points

1 answer

26 votes

256k views

Convert 8.75X10^-4 to regular number

Long Luong asked Dec 28, 2023

by Long Luong

2.6k points

1 answer

32 votes

413k views

Antibiotics are drugs used to kill bacteria. Some bacteria develop mutations that make them resistant to antibiotics. Which of the following BEST explains this mutation with respect to bacteria? The mutation

VerizonW asked Dec 28, 2023

by VerizonW

3.3k points

1 answer

36 votes

270k views

Name the alkanes please help

Kasiriveni asked Dec 28, 2023

by Kasiriveni

2.3k points

1 answer

25 votes

128k views

Which term describes this change? deposition evaporation melting sublimation

Jason Weber asked Dec 28, 2023

by Jason Weber

2.4k points

1 answer

26 votes

169k views

How does the kinetic theory of gases explain temperature?

Oliver Bestwalter asked Dec 28, 2023

by Oliver Bestwalter

2.7k points

1 answer

13 votes

330k views

Question 10 of 10 A siren is moving past Mary as she sits stuck in traffic. To Mary, the pitch of the siren changes as it passes her position. What causes this to happen? A. The frequency of the sound

TheJF asked Dec 28, 2023

by TheJF

2.5k points

1 answer

42 votes

293k views

20. You are approaching a downhill. Which configuration woulo help you increase speed of your bicycle the most? A. The freewheel gear is larger than the chainwheel gear. B. The chainwheel gear is smaller

Shishir Kumar asked Dec 28, 2023

by Shishir Kumar

2.6k points

1 answer

28 votes

256k views

You have 500 grams of CaCO3. How many moles are present? a 8 b 5 c 2 d 10

Mastergalen asked Dec 28, 2023

by Mastergalen

2.6k points

1 answer

33 votes

387k views

The amount of energy needed to apply a force of 1 newton over a distance of 1 meter is also called a.

Vesii asked Dec 28, 2023

by Vesii

3.1k points

1 answer

18 votes

27.0k views

A reaction mixture is at equilibrium. What happens when the amount of one of the reactants is lowered? aThe amount of the product increases. bThe rate of reverse reaction increases. cThe amount of the

Scott Driscoll asked Dec 28, 2023

by Scott Driscoll

2.7k points

1 answer

24 votes

520k views

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