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makkiz [27]
2 years ago
7

Which of the following is an example of physical change

Chemistry
2 answers:
BartSMP [9]2 years ago
8 0
A physical change is like freezing water and it turns into Ice.
jek_recluse [69]2 years ago
4 0

Evaporating rubbing alcohol

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In an ideal situation where no heat energy is produced, what is the relationship between the chemical energy provided by the bat
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Answer:

See explanation

Explanation:

The principle of conservation of energy states that energy can neither be created nor destroyed but can be converted from one form to another. Hence, chemical energy in a battery can be converted to electrical energy.

Usually, the conversion of energy from one form to another is not 100% efficient according to the second law of thermodynamics. Some energy is wasted in the process, sometimes as heat.

Hence, in an ideal situation where no heat energy is produced; all the chemical energy is converted to electrical energy (100% energy conversion). There will be no energy loss if no heat is produced.

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What is the product of 1.65 and 1.05 x 10-27
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What is the equilibrium constant expression for the ksp of sr3(po4)2?
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The equilibrium constant expression for KSP of Sr3(PO4)2 is


KSP={(Sr^2+)^3 (PO4^3-)^2/ Sr3(PO4)2}


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write the ionic equation for Sr3(PO4)2


Sr3(PO4)2 → 3Sr^2+ + 2 PO4^3-


KSP is given by (concentration of the products raised to their coefficient /concentration of reactants raised to their coefficient)

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