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Nostrana [21]
3 years ago
14

Which of the following is not a characteristic of minerals

Chemistry
1 answer:
PSYCHO15rus [73]3 years ago
4 0
What are the following?
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Why do we need an isolated system for the law of conservation of mass to be true?
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The law of conservation of mass states that mass in an isolated system is neither created nor destroyed by chemical reactions or physical transformations. According to the law of conservation of mass, the mass of the products in a chemical reaction must equal the mass of the reactants.

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What is the ionic formula for lithium oxide?
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Enter the net ionic equation, including phases, for the reaction of AgNO3 (aq) and KCl(aq). Refer to the solubility rules as nee
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Explanation: you need to remove the subscript of 5

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The gas arsine, AsH3, decomposes as follows: In an experiment at a certain temperature, pure AsH3(g) was placed in an empty, rig
bazaltina [42]

The equilibrium pressure of H_{2} is 288 torr. and K_{p} for this reaction is 0.786 atm.

from the reaction:-        2AsH_{3} ⇄ 2As + 3H_{2}

initial concentration     392 torr.              0

at equilibrium.              392 - 2x.               3x

and the final pressure in the flask = 488 torr.

Hence,

( 392 - 2x ) + 3x = 488\\ x = 488-392\\x = 96 torr.

The partial  pressure of H_{2} is 3 × 96 =  288 torr.

and AsH_{3} is 392 - ( 2 × 96 ) = 392 - 192 = 200 torr.

Now, to find K_{p} for this reaction, we will use K_{p} = \frac{(P_{H_{2} })^{2}  }{( P_{AsH_{3} } )^{2}}

putting all the values, we get,

K_{p} = \frac{(288)^{3} }{(200)^{2} }

     = 597.1968 torr.

     = 0.786 atm.  ( 1 atm = 760 torr. )

what do you mean by equilibrium?

Equilibrium in chemistry is the phase that exists when a chemical reaction and its opposite reaction happen at the same rates. This word's Latin origin dates back to the prefix aequi-, which means equal, and lbra, that indicates scale or balance.

Learn more about equilibrium reaction here:-

brainly.com/question/15118952

#SPJ4

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Throughout the investigation the ice begins to melt. This is because the thermal energy of the water ___while the thermal energy
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First Blank: decreases

Second Blank: Increases

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