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Chemistry Review Flashcards | StudBud
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Chemistry Review
Chemistry Review
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1
Who's the Father of Organic Chemistry?
Farnsworth
Tony Stark
Friedrich Whöler
August Kekulé
2
Calculate the m/v% concentration of 2.5 g of NaOH added to 30 mL of water
2.5%
12%
7.7%
8.3%
3
Which stoichiometric law states:
"When elements form a compound, they do it in the same ammount"?
Law of Centesimal Proportion
Law of conservation of matter (Lavoisier)
Law of multiple Proportions (Dalton)
Law of Definite Proportions (Proust)
4
State the distribution of the following Aromatic molecule
Meta
Ortho
Para
Xeno
5
Challenge: Complete the table
OH= 2.85x 10^-9 M; pH= 5.45; pOH= 8.54; acid
OH= 2.85x 10^-2 M; pH= 8.54; pOH= 5.45; base
OH= 2.85x 10^-7 M; pH= 5.45; pOH= 8.54; acid
OH= 1.0 x 10^-7 M; pH= 7; pOH= 7; neutral
6
Type of Alyphatic Hydrocarbon that contains at least one double bond
Alkenes
Benzenes
Alkynes
Alkanes
7
Is the substance that changes its color depending on the pH of the solution tested
Conjugated Acid
pH Indicator
pH meter
Acid Rain
8
Final Challenge: Name the following molecule
4,5-diisopropyl-8,9-dimethyl-1,6-decdiene
6,7-diisopropyl-2,3-dimethyl-4,9-decdiene
4,5-dipropyl-8,9-dimethyl-1,6-decdiene
6,7-dipropyl-2,3-dimethyl-4,9-decdiene
9
Which evidence of reaction is shown?
Formation of a solid
Release of a gas
Release of light
Change of color
10
Challenge: Answer the following problem
12.95 mol O2
9.25 mol O2
1.85 mol O2
1.48 mol O2
11
The following is an example of what structure?
Developed Structural
Molecular
Line structure
Condensed structural
12
Determine the solubility of K2Cr2O7 at 40°C in 100 g of H2O
15 g
22 g
40 g
60 g
13
Is the reactant that is
completely consumed
during a reaction. Responsible to determine the actual amount of product.
Excess Reactant
Theoretical Yield
Percent Yield
Limiting Reactant
14
Determine the type of solution if we have 70 g of KClO3 in 100 g of H2O at 80°C
supersaturated
unsaturated
saturated
insoluble
15
Calculate the amount of moles in 90 g of this compound. Atomic masses in g/mol: C=12 H=1, Cl= 35.5
5805 mol
2.53 mol
1.85 mol
1.39 mol
16
Balance the following equation (Select the order of coefficients)
3, 4, 1, 4
1, 4, 3, 4
6, 8, 2, 8
The equation is already balanced
17
Is the
symbolic representation
of a chemical change. Shows the reactants and the products that will form in a reaction.
Chemical Reaction
Evidence of Reaction
Chemical Equation
Chemical Coefficient
18
This concept means that each Carbon can form 4 covalent bonds
Concatenation
Covalency
Hybridization
Tetravelency
19
How can you increase the solubility of a solid?
High temperatures / Low agitation / Big sized particles
High temperatures / High agitation / Small size of particle
Low temperatures / High agitation / Small size of particle/
Low temperatures / Low agitation / Big sized particles
20
Select the odd one out. Characteristics of water
Made up of Hydrogen and Oxygen
Has an ionic bond
Considered the Universal Solvent
Can create hydrogen bonds
21
Branch of chemistry that studies processes of elaboration of chemical products obtained from petroleum.
Biochesmitry
Organic Chemistry
Bed Chem by Sabrina Carpenter
Petrochemistry
22
Main element in Organic Chemistry
Potassium, K
Hydrogen, H
Calcium, Ca
Carbon, C
23
What conclusion can be made of this equation?
The reactants are liquids
Iron is in a solid state
Fe and CO are the products
The equation isn't balanced
24
Who said that a
Base is a H+ Receptor?
Lewis
Brønsted-Lowry
Arrhenius
Dr Doofenshmirtz
25
Are categories of hydrocarbons, except...
Aromatics
Alicyclic
Alkanes
Alyphatics
