Yr1 chemistry (episode VI)

Ket 4 breakfast

Classic
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20:00
HintAnswer
IR breathalysers detect the characteristic absorbance of bonds present in _____
making product faster cuts c____
catalysts are n____ u____ u____ in a reaction
when more reactants exist in an equilibrium than products then Kc is ____ than 1
boltzmann distribution changes as a_____ e____ increase
a catalyst may react with the reactant(s) to form an ___
c6h14->c6h12 + h2
sulfur trioxide catalyst
below ____cm^-1 there is the fingerprint region
IR breathalysers test for ____ of compounds in the breath
delta h is + or - for endothermic reaction
each dip on an IR spectra graph is called a
break down of an intermediate _____ the catalyst
an ______ breaks down to give the product and regenerates the catalyst
spread of molecular energies in gases is called the
name of aA +bB -> cC + dD (reversible reaction)
economic advantages outweigh costs of developing a c______
a substance that changes the rate of reaction without undergoing permanent change
IR spectra of COOH carboxyl group in carboxylic acids. Range:
IR spectra of OH in alcohols can be confused with which other bond (in from x-y)
what value is Kc when equilibrium is half way
greater the value of Kc, then the greater concentration of ____ __ _____
a homogenous catalyst ______ with the substrate
Second technique in sequence of a compounds physical identification
IR spectra range for C-H bonds
__% of chemicals are produced using a catalyst
HintAnswer
pressure of a gas is proportional to its _________
at a higher temperature, the boltzmann distribution peak is at a h____ _____
peaks are clearer outside with IR spectra region
ozone depletion is an example of using cl radicals as a ________ catalyst
catalysts lower the E_____ R______
catalytic converters have a large s____ ______
surface area of catalytic converters for h______ catalysis
difficult to predict identity of a _____ ____ from the fingerprint region
y axis of and IR spectra graph
use of percentage composition data to determine empirical formula
a catalyst may provide a_____ on which the reaction can take place
IR spectra absorbance for aldehydes,ketones and carboxylic acids C=O
a catalyst offers an alternative r____ r_____ and lowers Ae
area under boltzmann distribution curve is the n____ o_ m_______
catalysts of haber process
fingerprint region contains ____ peaks to the molecule
name of device that passes beam of IR radiation through captured breath
use of absorption peaks from IR spectrum- to identify bonds and functional groups present in the molecule
a catalyst will increase the rate at which an e____ i_ e______
IR spectra of carboxylic acid COOH is very _____
remote sensors used to analyse the IR spectra of vehicle ______
delta h is + or - for exothermic reaction
p_____ can be identified by their IR spectral fingerprints
which value gives relative proportions of reactants and products in an equilibrium
more IR radiation absorbed from the breathalyser then the more ______ in the breath
when more products exist in an equilibrium than reactants Kc is ____ than 1
HintAnswer
a ____ catalyst has the same physical state as the reactants
if a chemical process requires less energy, then less f______ f______ have to be combusted
units of transmittance
square brackets infer you are talking about the ____ of a substance
a heterogenous catalyst reacts with substrate forming an _____
increasing the pressure shifts the position of the equilibrium to the side with ____ moles
a catalyst does not affect the p_____ o____ e_______
IR spectra absorbance range of alcohols O-H
First technique in sequence of a compounds physical identification
industrial priority (/3) less p_____
at a higher temperature, the boltzmann distribution peak is _______
hydrogenation of alkenes catalyst
pressure changes the position of equilibrium. The equilibrium changes in order to r_____ p_____ on the system
use of molecular ion peak from a mass spectrum to determine the molecular mass (Mr). Also uses molecular fragments to identify sections of molecule.
esterification (catalysed by h2so4) is an example of using a ______ catalyst
a catalyst speeds up both directions in a reversible reaction e_____
industrial priority (/3) high e______
in an IR spectrometer, the beam of IR radiation is in the range: cm^-1
below 1500cm^-1 exists the _____ region
increasing temperature favours the _______ reaction
catalyst of ozone depletion (2o3->
industrial priority (/3) high a____ e______
in IR spec, which functional group has several peaks
decreasing pressure shifts position of equilibrium to side with ___ moles
at the end of a catalysed reaction, the catalyst is
Third technique in sequence of a compounds physical identification

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