Science Quiz / yr1 chemistry (episode VI)

Random Science or Chemistry Quiz

Ket 4 breakfast

 Plays Quiz not verified by Sporcle

Forced Order
Support Sporcle.
Go Orange.
Score 0/78 Timer 20:00
spread of molecular energies in gases is called the
break down of an intermediate _____ the catalyst
use of absorption peaks from IR spectrum- to identify bonds and functional groups present in the molecule
which value gives relative proportions of reactants and products in an equilibrium
IR spectra of carboxylic acid COOH is very _____
use of percentage composition data to determine empirical formula
when more reactants exist in an equilibrium than products then Kc is ____ than 1
catalysts are n____ u____ u____ in a reaction
catalytic converters have a large s____ ______
difficult to predict identity of a _____ ____ from the fingerprint region
IR breathalysers detect the characteristic absorbance of bonds present in _____
economic advantages outweigh costs of developing a c______
pressure changes the position of equilibrium. The equilibrium changes in order to r_____ p_____ on the system
surface area of catalytic converters for h______ catalysis
increasing temperature favours the _______ reaction
use of molecular ion peak from a mass spectrum to determine the molecular mass (Mr). Also uses molecular fragments to identify sections of molecule.
at a higher temperature, the boltzmann distribution peak is at a h____ _____
Third technique in sequence of a compounds physical identification
increasing the pressure shifts the position of the equilibrium to the side with ____ moles
units of transmittance
esterification (catalysed by h2so4) is an example of using a ______ catalyst
hydrogenation of alkenes catalyst
catalyst of ozone depletion (2o3->
IR spectra absorbance for aldehydes,ketones and carboxylic acids C=O
delta h is + or - for exothermic reaction
industrial priority (/3) high e______
a catalyst may provide a_____ on which the reaction can take place
Second technique in sequence of a compounds physical identification
decreasing pressure shifts position of equilibrium to side with ___ moles
below ____cm^-1 there is the fingerprint region
First technique in sequence of a compounds physical identification
sulfur trioxide catalyst
in IR spec, which functional group has several peaks
fingerprint region contains ____ peaks to the molecule
more IR radiation absorbed from the breathalyser then the more ______ in the breath
a homogenous catalyst ______ with the substrate
a catalyst may react with the reactant(s) to form an ___
IR spectra absorbance range of alcohols O-H
y axis of and IR spectra graph
__% of chemicals are produced using a catalyst
at a higher temperature, the boltzmann distribution peak is _______
a catalyst does not affect the p_____ o____ e_______
at the end of a catalysed reaction, the catalyst is
remote sensors used to analyse the IR spectra of vehicle ______
when more products exist in an equilibrium than reactants Kc is ____ than 1
each dip on an IR spectra graph is called a
below 1500cm^-1 exists the _____ region
a heterogenous catalyst reacts with substrate forming an _____
delta h is + or - for endothermic reaction
pressure of a gas is proportional to its _________
IR spectra range for C-H bonds
boltzmann distribution changes as a_____ e____ increase
making product faster cuts c____
catalysts of haber process
a ____ catalyst has the same physical state as the reactants
catalysts lower the E_____ R______
IR spectra of OH in alcohols can be confused with which other bond (in from x-y)
a catalyst will increase the rate at which an e____ i_ e______
a catalyst offers an alternative r____ r_____ and lowers Ae
c6h14->c6h12 + h2
peaks are clearer outside with IR spectra region
if a chemical process requires less energy, then less f______ f______ have to be combusted
p_____ can be identified by their IR spectral fingerprints
IR spectra of COOH carboxyl group in carboxylic acids. Range:
name of device that passes beam of IR radiation through captured breath
a catalyst speeds up both directions in a reversible reaction e_____
name of aA +bB -> cC + dD (reversible reaction)
a substance that changes the rate of reaction without undergoing permanent change
IR breathalysers test for ____ of compounds in the breath
an ______ breaks down to give the product and regenerates the catalyst
square brackets infer you are talking about the ____ of a substance
in an IR spectrometer, the beam of IR radiation is in the range: cm^-1
area under boltzmann distribution curve is the n____ o_ m_______
greater the value of Kc, then the greater concentration of ____ __ _____
what value is Kc when equilibrium is half way
industrial priority (/3) high a____ e______
industrial priority (/3) less p_____
ozone depletion is an example of using cl radicals as a ________ catalyst

You're not logged in!

Compare scores with friends on all Sporcle quizzes.
Log In

From the Vault

Directors by First Names

by Noldeh

Getting 100% doesn't really mean you'll be on a first name basis with them, though.
Remove Ads.
Support Sporcle.
Get the best of Sporcle when you Go Orange. This ad-free experience offers more features, more stats, and more fun while also helping to support Sporcle. Thank you for becoming a member.

Show Comments


Top Quizzes Today

Score Distribution

Your Account Isn't Verified!

In order to create a playlist on Sporcle, you need to verify the email address you used during registration. Go to your Sporcle Settings to finish the process.

Report this User

Report this user for behavior that violates our Community Guidelines.