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Greeley [361]
3 years ago
6

Cuál será la masa molar de una sustancia donde 7 g equivalen a 0,25 mol

Chemistry
1 answer:
Rasek [7]3 years ago
7 0
Sorry I have no idea
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A steel cylinder has a pressure of 550 torr at 177 degrees Celsius. What will be the pressure if the temperature is decreased by
storchak [24]

Answer:

270.34

Explanation:

pressure, 550                pressure, 270.34

______________   =   ___________

177 degree celsius.        87 degree celsius.

550 x 87 / 177 = 270.34

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3 years ago
Which of the following is true for balancing equations? A. The number of products should be equal to the number of reactants. B.
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D.) There must be an equal number of atoms of each element on both sides of the equation

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For any molecule at the surface the resulting surrounding forces equal zero
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False is the correct answer
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3 years ago
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Balancing chemical equations
mojhsa [17]

<span>2H2 + O2 → 2H2O</span>

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3 years ago
Identify the Brønsted-Lowry acid, the Brønsted-Lowry base, the conjugate acid, and the conjugate base in each reaction:
ExtremeBDS [4]

Answer:

C5H5N is the base and C5H5NH+ is the conjugate acid

H2O is the acid and OH− is the conjugate base

Explanation:

<u>Hydrogen + is also called a proton</u>

C5H5N is the base because it receives the proton (H+) and C5H5NH+ is its conjugate acid

H2O is the acid  because it gives up the proton and OH− is the conjugate base because it is capable of receiving the proton

Answer:

HNO3 is the acid and NO3- is the conjugate base

H2O is the base and H3O+ is the conjugate acid

Explanation

HNO3 is the acid and NO3− is its conjugate base, capable of receiving a proton

H2O is the base because it receives the proton and H3O+ is a conjugate acid capable of giving up the proton.

3 0
3 years ago
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