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Rates of reaction Flashcards | StudBud
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Rates of reaction
Rates of reaction
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Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
Where do you find the element carbon?
In milk
In water
In trees
In chalk
2
What will react slowest?
Small Lump of chalk
Powder of chalk
Stick of chalk
Big rock of chalk
3
What is the formula for calculating the rate of reaction?
Distance = Velocity x Time
Change in product / Change in time
Change in product or reactant / Change in time
Change in product / change in reactant
4
Why are chemistry jokes so bad?
Because all the good ones are gone.
Because all the good ones Argon.
5
What if the formula for Nitric Acid
HNO4
H2NO3
HNO3
N(acid)
6
Which of these factors increase the rate of reaction?
Atomic Mass
Volume
Attractiveness of the scientist
Concentration
7
What is the test for hydrogen
Turns limewater cloudy
Relights a glowing splint
Burns with a POP
Burns with a BOOM
8
What is the state symbol for Solution?
s
pH
aq
sol
9
How can an insoluble salt be made?
Adding water
In a precipitation reaction
By evaporation
In a dissolving reaction
10
Why are noble gases noble?
Because helium is awesome
Because they are group 8
They do not react
Because they think they are better than everyone.
11
What is an endothermic reaction?
When it get colder
When it get hotter
A reaction that releases energy into the surroundings
A reaction that takes in energy from surroundings
12
How long is a piece of string?
5 metres
Not applicable
Nope
As long as my ***
13
What element has the symbol "P"
Phosphoros
Phosphorous
Phosphorus
Phosphoris
14
What is this?
3,3-dimethylbut-1-ene
3,3-dimethyl but-1-ene
3,3dimethyl-but-1-ene
33dimethyl-but1-ene
15
What element is this?
Iron
Helium
Hydrogen
Neon
16
What are isomers?
Propane and Cyclopropane
When the cyclo-halogen ignites with phosphorous epicentre.
Compounds - same molecular formula - different structure.
Different forms of the same element.
17
Aren't alkanes not unsaturated?
True
Possibly...
False
What?
18
How is a solution formed?
42
When the solute dissolves in the residue
When the answer of found
When a substance dissolves in a liquid
19
What is a homogeneous catalyst?
A catalyst which is in a different state as the reactants
A catalyst which is in the same state as the reactants
A catalyst which is in the same state as the product
Plasma
20
Which of the following is
NOT
a rate of reaction unit?
cm3/hr
g/s
mol1-1min-1
ms-1
21
Are alkalis soluble bases?
It depends on the pH of the proton's mass * surface area
False
True
Some are
22
What is electronegativity
Gravity mixed with electricity
The atom's relative attractiveness for electrons
Lewis' attractiveness
The charge of electrons
23
Which one of these elements were discovered in ancient times (use data book)
Oldium
Krypton
Helium
Zinc
24
What is a salt?
The thing you put into food
When someone hits someone else
Sodium Chloride
An acid w/ hydrogen ion replaced by metal or an ammonium ion
25
What is a homologous series?
A family of compounds with the same general formula
A family of elements with the same chemical properies
A catalyst in the same state as the reactants
A catalyst in a different state as the reactants
26
What shape is water
Straight
Tetrahedral
Bent
It depends in the temperature of the ion equivalent reaction
27
If it takes 10 seconds for 30g of hydrogen to be made, what is the rate of reaction?
3g/s
30g/s
1/3g s-1
1/3g/s
28
Why does the reaction slow down over time?
Just cuz
Because attractiveness of the atom is lower
There are less collisions
There are more collisions
29
What is an example of a biological catalyst
Amylase
Iron
Enzyme
Sugar
30
What is the first process of a heterogeneous catalyst?
Desorption
Adsoption
Absorbtion
Adsorbsion
