Explanation:
In the following reaction;
aA+bB⇌cC+dD
A and B are the reactants while C and D are the products.
a, b, c and d are regarded as coefficients.
The dependence of the reaction on the concentration of the reactants is given by the rate law.
This is given by;
rate= k [A]^m [B]^n
where
K = Rate constant. Constant for the reaction at that temperature.
m = order of reeaction with respect to A
n = order of reaction with repsect to B
Overall order of reaction is given by m + n
Answer: the empirical formula is CH2O
Explanation:Please see attachment for explanation
Answer: T<span>
etrafluoroethene (F</span>
₂CCF₂<span>
) undergoes polymerization describes the formation of Teflon.
Explanation: Polymerization is the process in which small units called as
monomers join together repeatedly and forms a long chain macro-molecule called as
polymer.
In given question the monomer is Tetrafluoroethene because alkenes can undergo polymerization via Addition polymerization via following mechanism.
a) Free Radical Addition Reaction
b) Acid Catalyzed Addition Reaction
c) Base catalyzed Addition Reaction
The formation of
Teflon from Tetrafluoroethene is shown below,</span>
Answer:
Mole fraction H₂O → 0.72
Mole fraction C₂H₅OH → 0.28
Explanation:
By the mass of the two elements in the solution, we determine the moles of each:
25 g . 1 mol/ 18g = 1.39 moles of water (solute)
25 g . 1 mol / 46 g = 0.543 moles of ethanol (solvent)
Mole fraction solute = Moles of solute / Total moles
Mole fraction solvent = Moles of solvent / Total moles
Total moles = Moles of solute + Moles of solvent
1.39 moles of solute + 0.543 moles of solvent = 1.933 moles → Total moles
Mole fraction H₂O = 1.39 / 1.933 → 0.72
Mole fraction C₂H₅OH= 0.543 / 1.933 → 0.28
Remember that sum of mole fractions = 1
I think it is trace evidence since it is really small and hard to find.