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Recent questions in Chemistry
When a solid produced by a chemical reaction separates from the solution it is called A. a precipitate. B. a reactant. C. a molecule. D. the mass of the product.
Landonandrey
asked
Jul 6, 2023
by
Landonandrey
2.3k
points
Chemistry
high-school
1
answer
6
votes
483k
views
What volume of water must be added to 85.0mL of a 0.400 mol/L solution of sodium carbonate to make a 0.250 mol/L solution?
RajeshVijayakumar
asked
Jul 6, 2023
by
RajeshVijayakumar
2.8k
points
Chemistry
college
1
answer
34
votes
287k
views
Equilibrium Learning Check #1Sulfuric acid is an important industrial chemical that is usually produced by a series of reactions. One of these involves and equilibrium between gaseous sulfur dioxide, oxygen
Czerasz
asked
Jul 6, 2023
by
Czerasz
2.7k
points
Chemistry
college
1
answer
17
votes
174k
views
When heated zinc carbonate decomposed to form zinc oxide and carbon dioxide gas how do you knke decomposition is complete
Shireef Khatab
asked
Jul 6, 2023
by
Shireef Khatab
3.3k
points
Chemistry
high-school
2
answers
44
votes
346k
views
What is an individual living entity called?
Amarendra Kumar
asked
Jul 6, 2023
by
Amarendra Kumar
3.2k
points
Chemistry
high-school
1
answer
45
votes
16.8k
views
How many atoms are there in 12 moles of sulfur
Jsxt
asked
Jul 6, 2023
by
Jsxt
2.4k
points
Chemistry
high-school
1
answer
45
votes
375k
views
Draw the lewis structure of sf2, showing all lone pairs.
Galarant
asked
Jul 6, 2023
by
Galarant
2.9k
points
Chemistry
high-school
1
answer
32
votes
253k
views
How would you distinguish between hydrogen and carbon dioxide being evolved from a reaction?
Tim Van Uum
asked
Jul 6, 2023
by
Tim Van Uum
3.0k
points
Chemistry
college
1
answer
31
votes
355k
views
In your own words, what do you think an atom is?
Peadar Doyle
asked
Jul 6, 2023
by
Peadar Doyle
2.5k
points
Chemistry
college
1
answer
12
votes
449k
views
Jays instanteous speed at 35 min
Orelzion
asked
Jul 6, 2023
by
Orelzion
2.6k
points
Chemistry
college
2
answers
19
votes
216k
views
Why are the noble gases the most stable elements on the periodic table?
Shoover
asked
Jul 6, 2023
by
Shoover
2.8k
points
Chemistry
high-school
2
answers
38
votes
255k
views
For a gaseous reaction, N2 + 3H2 gives 2NH3. If 20 ml of nitrogen completely reacts with hydrogen, then what is the volume of produced NH3?
Cheny
asked
Jul 6, 2023
by
Cheny
2.5k
points
Chemistry
high-school
1
answer
14
votes
255k
views
What causes cold, deep ocean currents to form in the ocean currents near the poles?
Araks
asked
Jul 6, 2023
by
Araks
3.2k
points
Chemistry
high-school
1
answer
18
votes
204k
views
If the pressure of 1.5 moles of a gas is 2 atm and the temperature is 27°C, what is the volume of the gas? Group of answer choices A. 9.25 L B. 5.0 L C. 37.0 L D. 18.5 L
Tuminoid
asked
Jul 6, 2023
by
Tuminoid
3.4k
points
Chemistry
college
1
answer
8
votes
210k
views
During a blank change, a system absorbs energy from its surroundings.
Taalib
asked
Jul 6, 2023
by
Taalib
2.8k
points
Chemistry
high-school
1
answer
28
votes
130k
views
16. A gas occupies a volume of 777 mL at a temperature of 318 K and a pressure of 299 mm Hg. If the volume remains constant and the temperature is doubled, what will its pressure be?
Ishk
asked
Jul 6, 2023
by
Ishk
2.7k
points
Chemistry
college
1
answer
15
votes
350k
views
Which compound has a covalent bond? H2O Li2O Na2O K2O
Ali Asgari
asked
Jul 6, 2023
by
Ali Asgari
2.7k
points
Chemistry
high-school
1
answer
40
votes
55.6k
views
When heated, KClO3 decomposes into KCl and O2.2KClO3⟶2KCl+3O2If this reaction produced 32.2 g KCl, how many grams of O2 were produced?
Jackdbd
asked
Jul 6, 2023
by
Jackdbd
2.6k
points
Chemistry
college
1
answer
15
votes
50.6k
views
For the following reaction, 5.28 grams of hydrogen gas are allowed to react with 9.91 grams of ethylene (c2h4) . hydrogen(g) + ethylene (c2h4)(g) ethane (c2h6)(g) what is the maximum mass of ethane (c2h6)
Kaps Hasija
asked
Jul 6, 2023
by
Kaps Hasija
2.6k
points
Chemistry
high-school
1
answer
16
votes
397k
views
What is the Range of the relation? { (2, -1), (3, 1), (4, 2), (5, 8) } Question 3 options: {-1, 1, 2, 8} {2, 3, 4, 5} {1, 1, 2, 8} {-1, 1, 4, 8}
Jan Kuiken
asked
Jul 6, 2023
by
Jan Kuiken
2.3k
points
Chemistry
middle-school
2
answers
28
votes
253k
views
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