Science Quiz / yr1 chemistry (episode VI)

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Ket 4 breakfast

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

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