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7nadin3 [17]
4 years ago
6

Determine y for the following equation: log(9/8)=y

Chemistry
1 answer:
zalisa [80]4 years ago
8 0
Log(x) can mean log to the base ten (especially in highschool) or natural log (in college).

So solving for y in log(9/8)=y is just an evaluation of log(9/8).

Either
y=log_{10}(9/8)=0.05115 to 5 decimals, or
y=log_{e}(9/8)=0.11778 to 5 decimals
depending the context of the question.
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Do anyone know how to do question B
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Answer:

a) IUPAC Names:

                   1) (<em>trans</em>)-but-2-ene

                   2) (<em>cis</em>)-but-2-ene

                   3) but-1-ene

b) Balance Equation:

                       C₄H₁₀O + H₃PO₄   →   C₄H₈ + H₂O + H₃PO₄

As H₃PO₄ is catalyst and remains unchanged so we can also write as,

                                    C₄H₁₀O   →   C₄H₈ + H₂O

c) Rule:

           When more than one alkene products are possible then the one thermodynamically stable is favored. Thermodynamically more substituted alkenes are stable. Furthermore, trans alkenes are more stable than cis alkenes. Hence, in our case the major product is trans alkene followed by cis. The minor alkene is the 1-butene as it is less substituted.

d) C is not Geometrical Isomer:

        For any alkene to demonstrate geometrical isomerism it is important that there must be two different geminal substituents attached to both carbon atoms. In 1-butene one carbon has same geminal substituents (i.e H atoms). Hence, it can not give geometrical isomers.

7 0
3 years ago
For the reaction H2O) =H% + OH", if x moles of H and y moles of OH are formed K. is y A. *?/(1 – x) C. 1/xy D. xy ​
hjlf

Answer: Correct option is B)

The standard enthalpy change of formation of a compound is the enthalpy change which occurs when one mole of the compound is formed from its elements under standard conditions. The equation showing the standard enthalpy change of formation of water is

H
2
(g)+

2
1

​ O

2

​ (g)⟶H

2                                                                   ↑

​ O(l)                                           1 mole of water formed.

∴   Enthalpy of formation is −X2kJ/mol.

________________________________________________________

Explanation:I hope this helped

5 0
3 years ago
What imformation is contained in a chemical formula
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A chemical formula<span> tells us the number of atoms of each element in a compound. It </span>contains<span> the symbols of the atoms of the elements present in the compound.</span>
5 0
4 years ago
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