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Recent questions in Chemistry
The reaction below is for the combustion of the flammable gasacetylene (C2H2). Which element is oxidized?C2H2 + O2 + CO2 + H2OCarbon is oxidized.Hydrogen is oxidized.Oxygen is oxidized.
Jaycreation
asked
Dec 27, 2023
by
Jaycreation
3.4k
points
Chemistry
college
1
answer
19
votes
29.5k
views
Why is Avogadro's number useful?
Lyrkan
asked
Dec 27, 2023
by
Lyrkan
2.7k
points
Chemistry
high-school
1
answer
40
votes
58.5k
views
What is the independent variable? what is the dependent variable? what are the constants? what equipment and materials will you use? (please include amounts and use SI units if possible) what data and
Tom Walters
asked
Dec 27, 2023
by
Tom Walters
3.1k
points
Chemistry
high-school
1
answer
21
votes
417k
views
2. Fluorine gas exerts a pressure of 1.2 atm. When the pressure is changed to 1.50 atm, its volume is 250 mL. What was the original volume?
Fernando Leal
asked
Dec 27, 2023
by
Fernando Leal
2.3k
points
Chemistry
high-school
1
answer
17
votes
42.6k
views
A technologist is creating a solution that contains 25.5 grams of NaOH that is dissolved in 1 L of laboratory grade water. What is the molarity of the solution that the technologist created
Martineno
asked
Dec 27, 2023
by
Martineno
2.6k
points
Chemistry
high-school
1
answer
41
votes
184k
views
38 Which of the following numbers is equal to 2.70 x 102 A 0.00027 B 270 C 0.675 D.27 x 10
PumpkinSeed
asked
Dec 27, 2023
by
PumpkinSeed
2.2k
points
Chemistry
college
1
answer
2
votes
295k
views
The area around the nucleus of an atom where an electron is moving
Florian Brucker
asked
Dec 27, 2023
by
Florian Brucker
2.5k
points
Chemistry
high-school
1
answer
25
votes
338k
views
Why did Rutherford’s atomic model need to be replaced
Dustyrockpyle
asked
Dec 27, 2023
by
Dustyrockpyle
2.7k
points
Chemistry
high-school
1
answer
31
votes
59.9k
views
How much heat is required to convert 6.83 g of ice at − 12.0 ∘C to water at 20.0 ∘C ? (The heat capacity of ice is 2.09 J/g∘C , ΔHvap(H2O)=40.7kJ/mol , ΔHfus(H2O)=6.02kJ/mol ) Express your answer with
Alexey Sidorov
asked
Dec 27, 2023
by
Alexey Sidorov
2.4k
points
Chemistry
college
1
answer
22
votes
59.7k
views
Is Fluorine is considered a molecular compound?
IYoung
asked
Dec 27, 2023
by
IYoung
3.0k
points
Chemistry
college
2
answers
45
votes
499k
views
500.0 mL of a 0.205 M solution of LiBr is diluted to 700.0 mL. What is the new concentration of the solution?
Andrei Sedoi
asked
Dec 27, 2023
by
Andrei Sedoi
2.7k
points
Chemistry
college
1
answer
10
votes
88.5k
views
What reagent are needed for cyclohexene to cyclohexane.
Neutral Penguin
asked
Dec 27, 2023
by
Neutral Penguin
2.4k
points
Chemistry
high-school
1
answer
24
votes
390k
views
What happens when CHCl3 reacts with Benzene in the presence of anhydrous Aluminum trichloride. Give chemical equation
Shivang MIttal
asked
Dec 27, 2023
by
Shivang MIttal
2.7k
points
Chemistry
college
1
answer
20
votes
509k
views
What is another way to measure the average kinetic energy of a substance?
Jschmier
asked
Dec 27, 2023
by
Jschmier
3.6k
points
Chemistry
high-school
2
answers
20
votes
298k
views
Ideal Gas Law PV = nRT I have 5 moles of a gas at a pressure of 155 kPa and a volume of 10 liters, what is the temperature
Daniel Grezo
asked
Dec 27, 2023
by
Daniel Grezo
2.6k
points
Chemistry
high-school
1
answer
22
votes
299k
views
During a chemical reaction ____ is never created or destroyed
Not Link
asked
Dec 27, 2023
by
Not Link
2.2k
points
Chemistry
high-school
1
answer
30
votes
431k
views
What causes water to form on glass?
Kamagatos
asked
Dec 27, 2023
by
Kamagatos
2.6k
points
Chemistry
high-school
1
answer
39
votes
535k
views
Mode for O2!!!!!!!!!!!!!
Chunky Chunk
asked
Dec 27, 2023
by
Chunky Chunk
2.8k
points
Chemistry
high-school
1
answer
31
votes
264k
views
Question Look at the periodic table. Find the element oxygen. What is its symbol? Os No Uuo O
Mousey
asked
Dec 27, 2023
by
Mousey
2.7k
points
Chemistry
college
1
answer
4
votes
195k
views
How many moles of c2h2 are needed to react completely with 84. 0 mol o2?.
Nocturnal
asked
Dec 27, 2023
by
Nocturnal
2.2k
points
Chemistry
high-school
1
answer
13
votes
518k
views
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