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Category > Chemistry Posted 13 Feb 2024 My Price 8.00

Chemistry Principles EHS - Final Exam EESXVI

Question 1

 

The study of the reactivity and structure of almost all carbon containing compounds is __________ chemistry.

 

  covalent 

  hybridization 

  organic 

  inorganic 

 

Question 2

 

The ratio of particles of solute to the total particles quantity in a solution can be expressed as __________.

 

  weight percent 

  molarity 

  parts per million 

  molality 

 

Question 3

 

__________ is calculated by dividing the moles of a solute by the volume of the solution in liters.

 

  weight percent 

  parts per billion 

  molarity 

  partial pressure 

 

Question 4

 

A(n)  __________ cell uses the reaction between oxygen and hydrogen gases catalyzed by platinum to generate power.

 

  lead 

  acid 

  fuel 

  redox 

 

Question 5

 

An example of __________ is when a helium filled balloon loses helium gas through the small pores of the balloon.

 

  absolute zero 

  mole fraction 

  diffusion 

  effusion 

 

Question 6

 

In a chemical reaction, a __________ system is one in which matter cannot enter or leave.

 

  gaseous 

  open 

  free 

  closed 

 

Question 7

 

A pH of __________ would be considered acidic.

 

  7 

  9 

  1 

  14 

 

Question 8

 

An organic compound where each carbon is bonded to an oxygen is called a __________.

 

  nucleic acid 

  fat 

  carbohydrate 

  protein 

 

Question 9

 

The overall reaction rate of a chemical reaction is directly dependant on the __________ of the rate-determining step. 

 

  volume 

  weight 

  mass 

  speed 

 

Question 10

 

The antimatter version of an electron is called a(n) __________.

 

  neutron 

  proton 

  positron 

  ion 

 

Question 11

 

Which of the following is a typical unit of pressure?

 

  torr 

  meters 

  kilograms 

  joules 

 

Question 12

 

The __________ of a solution refers to the number of solute moles that are mixed with every single solvent kilogram. 

 

  partial pressure 

  molarity 

  molality 

  volume 

 

Question 13

 

In an aqueous solution, if [H3O+]=[OH-] then the solution is called __________.

 

  basic 

  acidic 

  radioactive 

  neutral 

 

Question 14

 

If a hydrocarbon does not contain any multiple bonds then it is called __________.

 

  unsaturated 

  alkyne 

  alkyne 

  saturated 

 

Question 15

 

A(n) __________ is used to compare the initial concentrations of the components of a reaction to the concentrations at equilibrium.

 

  fixed temperature 

  ICE table 

  calorimeter 

  volumeter 

 

Question 16

 

Which term is used to describe an exploration of the relationship between work, heat, and different types of energy?

 

  Potential energy 

  Thermodynamics 

  Exothermy 

  Endothermy 

 

Question 17

 

__________ Curie showed that radioactivity was caused by the amount of an element in the sample and not by a chemical reaction.

 

  Charles 

  Galvan 

  Marie 

  Heisenberg 

 

Question 18

 

Solutions consist of a solvent and at least one __________.

 

  metal 

  solute 

  electron 

  proton 

 

Question 19

 

__________ potential measures a voltaic cell’s ability to generate an electric current.

 

  Oxidation 

  Active 

  Electrical 

  Positive 

 

Question 20

 

The alkane __________ would have five carbons in its structure.

 

  hexane 

  pentane 

  butane 

  methane 

 

Question 21

 

In batteries, __________ cells generate an electron flow via oxidation reduction reactions.

 

  external 

  neutral 

  galvanic 

  circuit 

 

Question 22

 

A(n) __________ battery contains a positive electrode made of paste.

 

  closed system 

  open system 

  dry cell 

  wet cell 

 

Question 23

 

According to __________ Law, the enthalpy change between products and reactants is equal regardless of the multiple steps of a reaction.

 

  Hess's 

  Charles's 

  Vant Hoff's 

  Avogadro's 

 

Question 24

 

An Arrhenius acid is one that produces _________ when dissolved in water.

 

  OH-

  H+

  NaOH 

  Ca 

 

Question 25

 

A reducing__________ is one that makes reduction possible.

 

  anion 

  agent 

  cation 

  isotope 

 

Question 26

 

Which equation is typically used to express the ideal gas law?

 

  PV=nRT 

  P - V=nRT 

  P + V=nRT 

  PV=n +R/T 

 

Question 27

 

The __________ of reaction can enable one to tell whether a reaction is exothermic or endothermic.

 

  enthalpy 

  entropy 

  coefficient 

  thermochemistry 

 

Question 28

 

Hydrocarbons with carbons connected by a double bond are called __________.

 

  alkynes 

  saturated 

  alkenes 

  alkanes 

 

Question 29

 

The process of _____________   involves the net H2 addition across a dual bond.

 

  sublimation 

  evaporation 

  halogenation 

  hydrogenation 

 

Question 30

 

An oxidizing __________ is one that makes oxidation possible.

 

  anion 

  isotope 

  cation 

  agent 

 

Answers

(118)
Status NEW Posted 13 Feb 2024 03:02 AM My Price 8.00

  ----------- Ch-----------emi-----------str-----------y P-----------rin-----------cip-----------les----------- EH-----------S ------------ Fi-----------nal----------- Ex-----------am -----------EES-----------XVI-----------

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1707795636-Chemistry Principles EHS - Final Exam EESXVI Chemistry Principles EHS.pdf
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