Calculate the standard internal energy of formation of liquid methyl acetate `(CH_(3)COOCH_(3))` from its standard enthalpy of foramtion, which is `-4

Question

Calculate the standard internal energy of formation of liquid methyl acetate `(CH_(3)COOCH_(3))` from its standard enthalpy of foramtion, which is `-4

Calculate the standard internal energy of formation of liquid methyl acetate `(CH_(3)COOCH_(3))` from its standard enthalpy of foramtion, which is `-44.291 kJ "mole"^(-1)` at `25^(@)C`
A. `-433`
B. `+433`
C. `-452.82`
D. `452.82`

Monjur Alahi

6 views

2025-01-04 04:42

1 Answers

Related Questions

From the following data : Enthalpy of formation of `CH_(3)CN`=87.86 kJ/mol Enthalpy of formation of `C_(2)H_(6)=-` 83.68 kJ/mol Enthalpy of sublimatio

2 Answers 4 Views

The enthalpy of formation of `C_(2)H_(5)OH(l)` is `-66 k Cal//mol`. The enthalpy of combustion of `CH_(3)-O-CH_(3)` is `-348 k Cal//mol`. Given that t

2 Answers 9 Views

Which would undergo `S_(N^(2))` reaction faster in the following pair and why? `CH_(3)-CH_(2)-Br and CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))

2 Answers 8 Views

Consider the reaction: (i). `(CH_(3))_(2)CH-CH_(2)Broverset(C_(2)H_(5)OH)to(CH_(3))_(2)CH-CH_(2)-O-C_(2)H_(5)+HBr` (ii). `(CH_(3))_(2)CH-CH_(2)Brovers

2 Answers 6 Views

Arrange the following in order of decreasing reactivity towards `S_(N^(2))` reactions: `CH_(3)CH_(2)CH_(2)Cl(I),CH_(3)CH_(2)-CHCl-CH_(3)(II)(CH_(3))_(

2 Answers 4 Views

Which of the following is maximum reactive towards Lucas reagent? `CH_(2)=CH-CH_(2)OH,CH_(3)-underset(OH)underset(|)(C)H-CH_(3),CH_(3)-CH_(2)-CH_(2)OH

2 Answers 5 Views

What is the correct relationship between the following compounds? `CH_(3)-CH_(2)-undersetunderset(CH_(3))(|)(CH)-CH_(2)-CH_(3),CH_(3)-CH_(2)-CH_(2)-CH

2 Answers 6 Views

The standard enthalpy of formation of `NH_(3)` is -46.0 kJ `mol^(-1)`. If the enthalpy of formation of `H_(2)` from its atoms is -436 kJ `mol^(-1)` an

2 Answers 5 Views

Arrange the following esters in the decreasing order of alkaline hydrolysis: (i) `HCOOCH_(3),CH_(3)COOCH_(3),(CH_(3))_(3)C-COOH_(3),(CH_(3))_(2)CHCOOC

2 Answers 4 Views

Rearrange the following compounds in the increasing order of their boiling points : `CH_(3)-CHO,CH_(3)-CH_(2)-OH,CH_(3)-CH_(2)-CH_(3)`

2 Answers 5 Views

Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - A
`3C_((s))+3H_(2(g))+O_(2(g))rarrCH_(3)COOCH_(3)(l)DeltaH_(f)^(0)= -442.91`
`Delta U=DeltaH-Delta n_(g)RT`
`=(-442.91-(-4)xx8.314xx(298)/(1000))kJ "mole"^(-1)`
`= -433 kJ"mole"^(-1)`

6 views Answered 2023-02-05 15:29