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Amanda [17]
3 years ago
5

Help! 7th grade science!

Chemistry
1 answer:
Eva8 [605]3 years ago
7 0
I think is B not sure but good luck have a nice day
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In science what can only be separated by Chemical methods​
PilotLPTM [1.2K]

Answer:

A mixture is a physical combination of substances thus it only requires physical processes to separate.

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3 years ago
I NEED HELP ASAPPPPPPPPPPPPPPPP
RoseWind [281]

Answer:

i wold think it is C

Explanation:

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What is the effect on the equilibrium when sodium formate is added to a solution of formic acid? hcooh( aq) + h ( aq) right arro
artcher [175]

There is no effect on the equilibrium when sodium formate is added to a solution of formic acid for hcooh( aq) + h ( aq) right arrow choo –( aq).

Equilibrium is characterized as a state of equilibrium or a stable situation in which conflicting forces balance one another out and no changes are taking place. In terms of economics, equilibrium occurs when supply and demand are equal. When you are composed and steady, you are in an equilibrium state.

An object is considered to be in an equilibrium condition when all of the forces acting on it are in balance. If the upward forces are equal to the descending forces and the rightward forces are equal to the leftward forces, then the forces are said to be balanced. Several instances of equilibrium include a book that is open and at rest. a vehicle that is going steadily.

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4 0
1 year ago
if a baloon filled with dry hydrogen weighs 35 gram,but weighs 440 grams when filled with the vapour of an organic compound. cal
Elan Coil [88]

Answer:

1) The vapor density of the organic compound is approximately 12.57

2) The relative molar mass (RMM) of the organic compound is approximately 25.14 grams  

Explanation:

1) The mass of the balloon filled with dry hydrogen = 35 grams

The mass of the balloon filled with vapor of an organic compound = 440 grams

The vapor density = (Weight of a given volume of gas)/(Weight of equal volume of hydrogen)

The vapor density of the organic compound = (440)/(35) ≈ 12.57

The vapor density of the organic compound ≈ 12.57

2) The relative molar mass (RMM) = 2 × vapor density

The relative molar mass (RMM) of the organic compound = 2 × vapor density of the organic compound

The relative molar mass (RMM) of the organic compound ≈ 2 × 12.57 ≈ 25.14 grams  

The relative molar mass (RMM) of the organic compound ≈ 25.14 grams  

6 0
3 years ago
Dimensional Analysis need help solving... Hand write and post image if possible... (both Chem. and Physics) PLS SHOW WORK!
beks73 [17]

Answer:

0.804mph, 9.1lbs/gal

Explanation:

hope this helps

Download pdf
8 0
3 years ago
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