Science Quiz / yr1 chemistry (episode V)

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HintAnswer
increased ______, leads to a higher frequency of collisions
type of base (/4)
simple molecular lattices are held by ______ i________ f______
rate= change in ______ of reactant or product/time
acetic acid molecular formula
simple molecular lattices have ____ melting and boiling points
min bond enthalpy of a covalent bond (kJmol-1)
a decrease in temperature shifts the equilibrium position in the e______ direction
in the haber process, the reactants and products are all h________
spread of molecular energies in gases is called the
charge of cocl4 ion
example of an organic acid c_____ acid
only a ______ proportion of molecular collisions lead to a reaction
boltzmann distribution: how many molecules have zero energy?
oxidation number of hydrogen (exception)
salt from a nitric acid neutralisation reaction is a _____ salt
Cr2O7(2-) + H2O -> 2_______ + 2H+
type of base (/4)
changing concentration of reactants or products will cause a change the ____ of forward or reverse reactions
acid + m____ o______ -> salt + water
oxidation number of oxygen (normally)
the movement of electrons causes a c______ d______
more electrons leads to a greater _____ dipole
factor affecting rate of reaction (/5)
position of an instantaneous dipole is c_____ s______
number of electrons involved in bonding to a different element
charge of Co(H2O)6
what measures strength of an atomic and intermolecular bonds?
oxidation number of cl-
total charge= sum of ______ _______
nitrogen oxidation number in nitrite
gain an electron and your oxidation number ______ by one
acid + m____ h______ -> salt + water
type of base (/4)
oxidation number of na+
oxidation number of fluorine
the change in concentration of a reactant or product in a given time
rate of a chemical reaction meaurses how ____ fast a product is made or reactant is used
how many products are there from a basic neutralisation reaction
polar covalent substance solubility in polar solvents depends on the ______ of the dipole
titration technique can be used to find the ______ of a substance (/3)
non polar simple molecules can/cannot conduct electricity
hydrophilic molecules are (/2)
induced dipole-dipole interactions occur between polar or non polar or both molecules
oxidation number is _____ for elements
HintAnswer
in a neutralisation reaction, which ions react with the base to form a salt and water?
non polar simple covalent molecules tend to be soluble in ____ _____ solvents
3h2 +___ is the haber reaction
factor affecting rate of reaction (/5)
physical factor of a closed system that is unaffected by external change (/3)
solution of known concentration
salt from a ethanoic acid neutralisation reaction is a _____ salt
when pressure is increased, the _____ number of gas molecules occupy a smaller volume
theory that states that two reacting particles must collide in order for a reaction to occur
salt from a hydrochloric acid neutralisation reaction is a _____ salt
acetic acid also known as
molecular formula of sulfuric acid
forward and reverse directions have the equal and opposite values for _______ _______
x axis of a boltzmann distribution
physical factor of a closed system that is unaffected by external change (/3)
factor affecting rate of reaction (/5)
the salt formed by a neutralisation reaction is the acid with its H+ ions replaced by metal or ____ ions from the base
technique to accurately measure volume of one solution that exactly reacts with another solution
hydrophilic molecules are (/2)
colour of CrO4(2-) chromate ion solution
for a system to contain an equilibrium, it must be a _______ system
in an equilibrium system, the rate of the forward reaction is _____ to the rate of the reverse reaction
a collision will be effective is the particles have sufficient ____ to overcome the Ae barrier
the equilibrium sign indicates that the forward reaction is __________
oxidation number of nitrogen in nitrate
oxidation number of oxygen (exception)
product of haber process
factor affecting rate of reaction (/5)
equilibrium systems are d_______
number of products of haber process
acid + metal oxide -> _____ +water
example of an organic acid m_____ acid
titration technique can be used to find the ______ of a substance (/3)
acid + alkali -> salt + ______
small units containing definite number of atoms with a definite molecular formula
induced dipole-dipole interactions are only t______
simple molecular substances are insoluble in polar solvents because the intermolecular bonds within the polar solvent are too ______ _____ _____
when concentration is increases, there are more reactant particles in the same _______
colour of aqueous [CoCl4](2-) solution
reactant concentration is increased by external influence. which direction will the equilibrium shift (left/right?)
physical factor of a closed system that is unaffected by external change (/3)
most molecules move close to an a______ s_____
boltzmann distribution: there is no m____ e______ of a molecule
endothermic reactions are denoted by _______delta-H
boltzmann distribution: are under curve equal to the
HintAnswer
in an equilibrium system, the concentrations of reactants and products are _______
y axis of boltzmann distribution (n___ o____ m____ of given energy)
more electrons in a molecule, leads to a _______ melting and boiling point
any instant, an i_______ dipole willl exist
a base neutralises an acid to form a _____
max bond enthalpy of a covalent bond (kJmol-1)
label for boltzmann diagram: (two letter abbreviation)
larger no of electrons = larger induced dipoles = increased ________ ________
CoCl4 +6H2O is an e______ reaction
changing dipole is created by the m____ o_____ e______
decrease in oxidation number is also called _____
the salt formed by a neutralisation reaction is the acid with its H+ ions replaced by ammonium or ____ ions from the base
simple molecular substances tend to be insoluble in _______ solvents
Co (H2O)6 +4Cl is an e_____ reaction
instantaneous dipoles i_____ dipoles in other molecules
acid + alkali -> _____ + water
a base that dissolves in water released hydroxide ions into solution, is called an
N2 + 3____ is the haber reaction
acid + _____ _____ -> salt + water +carbon dioxide
a collision will be effective if they collide with c_____ _______
water, nitrogen and bromine are s_____ m______ s_____
colour of Cr2O7 (2-) (dichromate ion solution)
titration technique can be used to find the ______ of a substance (/3)
polar covalent substances may dissolve in polar solvents as the solute and solvent molecules ______
more electrons leads to greater _______ dipoles
p____ o___ e_______ indicated the extent of the reaction
factor affecting rate of reaction (/5)
an example of a hydrophobic chemical group with a gen. formula cnh2n+2
Colour of aqueous [Co(H2O)6](2+) solution
type of base (/4)
induced dipole-dipole interactions are also called
when a system is in equilibrium and is subjected to external change, the system readjusts to minimise the effect of the change
salt from a sulfuric acid neutralisation reaction is a _____ salt
most organic acids are ______
sum of oxidation numbers =
increase in oxidation number is also called _____
molecular formula of nitric acid
oxidation number of hydrogen (normally)
metal + acid-> salt + _______
in a gas, liquid or ______ some molecules move more slowly with low energy and some move quickly with higher energy
ch3cooh is called
rate of reaction slows as the reaction progresses as the _______ of reactants decreases
give an electron away and your oxidation number ______ by one
atoms within simple molecular lattices are bonded s______
increased temperature, shifts equilibrium in e_______ direction

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Created Nov 20, 2016ReportNominate
Tags:Chemistry Quiz, episode, ultra

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