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Recent questions in Chemistry
136 grams of barium sulfate is used to make a 2.5 M solution. How many liters of water are needed?
Martin Dvorak
asked
Dec 26, 2023
by
Martin Dvorak
4.2k
points
Chemistry
high-school
1
answer
2
votes
186k
views
2. When does an ionic bond form? When electrons are shared by two or more atoms equally. When two positive ions combine to form a polyatomic ion. When electrons are lost by one atom and gained by another
Bruno Caceiro
asked
Dec 26, 2023
by
Bruno Caceiro
3.9k
points
Chemistry
high-school
1
answer
4
votes
130k
views
What is the total mass of reactants in sodium?
Senthilbp
asked
Dec 26, 2023
by
Senthilbp
3.3k
points
Chemistry
college
1
answer
2
votes
204k
views
How are energy and power related
Sherrard
asked
Dec 26, 2023
by
Sherrard
3.7k
points
Chemistry
high-school
2
answers
4
votes
120k
views
How do this I’m in school really don’t know what to do
AKA
asked
Dec 26, 2023
by
AKA
4.1k
points
Chemistry
college
1
answer
13
votes
52.2k
views
Definition a visual representation of data that uses unconnected plotted points
Msrdjan
asked
Dec 26, 2023
by
Msrdjan
4.3k
points
Chemistry
college
1
answer
2
votes
235k
views
If surface area is increased (I.e solid to powder) does that mean more particles will have Kinetic energy greater than or equal to activation energy(reaction rate question)?
Nicoolasens
asked
Dec 26, 2023
by
Nicoolasens
4.1k
points
Chemistry
college
1
answer
4
votes
114k
views
102. What is the Pauli exclusion principle? What is Hund's rule?
Stiger
asked
Dec 26, 2023
by
Stiger
4.1k
points
Chemistry
high-school
1
answer
0
votes
201k
views
Which element is most similar to nitrogen: Carbon or Phosphorus?
Guillem Xercavins
asked
Dec 26, 2023
by
Guillem Xercavins
4.1k
points
Chemistry
college
1
answer
24
votes
113k
views
How do telescopes help astronomers learn more about the universe? a. Telescopes gather more light than the n a k e d eye can see. b. Telescopes gather less light than the n a k e d eye can see. c. Telescopes
RamBabu Pudari
asked
Dec 26, 2023
by
RamBabu Pudari
4.1k
points
Chemistry
middle-school
2
answers
25
votes
44.6k
views
Which of the following can be calculated from the mass of the reactants used in a chemical reaction?Amount of limiting reactant used in a reactionActual yield of productsAmount of excess reactant from
Stephen Connolly
asked
Dec 26, 2023
by
Stephen Connolly
4.2k
points
Chemistry
college
1
answer
3
votes
160k
views
Be sure to answer all parts. Calculate the following values. Enter your answers in scientific notation. (a) What is the Kb of the benzoate ion, C6H5COO^-? (b) What is the Ka of the 2-hydroxyethylammonium
DanielMason
asked
Dec 26, 2023
by
DanielMason
4.7k
points
Chemistry
high-school
1
answer
2
votes
21.2k
views
The diagram illustrates the water cycle. Parts of the water cycle labeled U through Z. U: Water moving from a lake into the clouds. V: Clouds. W: Water falling from clouds as rain and snow. X: Water moving
ZlZimon
asked
Dec 26, 2023
by
ZlZimon
4.2k
points
Chemistry
middle-school
1
answer
4
votes
48.6k
views
Help please!!!!!!!!!!!
Nicola Bizzoca
asked
Dec 26, 2023
by
Nicola Bizzoca
4.2k
points
Chemistry
college
1
answer
15
votes
187k
views
............................
Jon Rose
asked
Dec 26, 2023
by
Jon Rose
3.8k
points
Chemistry
high-school
1
answer
1
vote
7.9k
views
The combustion of propane may be described by the chemical equation C₂H₂(g) +50,( 3 CO₂(g) + 4H₂O(g) How many grams of O₂(g) are needed to completely burn 20.9 g T, H, (g)? mass O₂: go2
Cboler
asked
Dec 26, 2023
by
Cboler
3.8k
points
Chemistry
college
1
answer
0
votes
80.9k
views
A sample of gas in a rigid steel tank is under 157.9 kPa of pressure at 317 Kelvins.If the tank is heated to 358 Kelvins, what would the new pressure be in kilopascals?178144160210
AndyWilson
asked
Dec 26, 2023
by
AndyWilson
4.1k
points
Chemistry
college
2
answers
1
vote
163k
views
How much heat is required to raise the temperature of 1.5 x 103 g of water from 5 °C to 50 °C? The specific heat of water is 4.184 J/g °C.
Vasia
asked
Dec 26, 2023
by
Vasia
4.2k
points
Chemistry
college
1
answer
2
votes
209k
views
The number of hydrogens in (NH4)3PO3
Chrissie
asked
Dec 26, 2023
by
Chrissie
4.7k
points
Chemistry
college
1
answer
4
votes
29.2k
views
what volume of N2 is required to convert 5.0L of hydrogen gas to ammonia? assume that all gases are at the same temperature and pressure and that the reaction is complete
Neil Agarwal
asked
Dec 26, 2023
by
Neil Agarwal
4.0k
points
Chemistry
high-school
1
answer
23
votes
213k
views
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