General organic chemistry Questions and Answers

Mots come tut Tilmene In OUT Can we ad al What predominate intermolecular force is in NH3 Alone Fille Ohydrogen bonding London forces O covalent bond MARC AUX CHIGENTES dipole dipole

Which of the noble gases should show the greatest deviation All deviate equally Rn Ar He None of these

O dipole dipole O covalent bond London forces hydrogen bonding

What predominate intermolecular force is in CH3CH CH3 Ohydrogen bonding O covalent bond London forces dipole dipole

The volume of 350 mL of gas at 25 C is decreased to 135 mL at constant pressure What is the fina temperature of the gas

Which of the following substances is an acid O H O O NaCl O HC H302 O NaOH O KOH

According to the kinetic molecular theory the pressure of a gas in a containe volume of the container decreases number of collisions with the container wall increases None of these number of moles of the gas increases temperature of the gas decreases Teas

Some assumptions from the kinetic molecular theory are listed below Which one is most frequently cited to explain diffusion of a gas Collisions of gas particles are elastic and total kinetic energy of the gas is constant None of these The average kinetic energy of gas particles is proportional to the Kelvin temperature The volume of the particles is negligible compared to the volume of the gas A gas consist of tiny particles moving in random straight line motion

Sodium chloride changing from a solid to a gas is an example of boiling Omelting evaporation sublimation

57 What is the intermediate of this reaction Br A C O Br B D Br Br Br Br

When 5 0 g of S is reacted 46 kJ of energy is produced Determine the enthalpy change per mole of sulfur reacting S s O2 g SO2 g 46 kJ mol 230 kJ mol 296 1 kJ mol 9 2 kJ mol

53 What is the most likely product of this reaction D C A B N N NH Holz N 2 H O LOH LOH NH NH

What is the total pressure in a 15 0 L flask which contains 0 127 mol of H2 g and 0 288 mol of N2 g at 25 0 C

A 10 03g sample of high fructose corn syrup concentrates is burned in a bomb calorimeter containing 200 0 g H O The temperature of the water increased by 15 53 C If the molar mass of this nutrient substance is 198 17 g mol what is the fuel value in nutritional Cal g 1Cal 1000 cal 1 kcal Specific heat of water 1 00 cal g C A 0 159 Cal g B 0 310 Cal g C 3 11 Cal g D 3 08 Cal g E 0 786 Cal g

Write the equilibrium constant expression for the reaction shown in terms of A B C and D A g B g 2 C g D g Note that Ke which is sometimes symbolized as K or Keq denotes that the equilibrium constant is expressed using molar concentrations For this question K means the same thing as K and Keq

Lesson 4 How to Write Chemical Formulas 18 Write the formula of the following acids Acid name ex carbonic acid hydrofluoric acid citric acid acetic acid hydroiodic acid Positive ion Base name ex sodium hydroxide strontium hydroxide lithium hydroxide potassium hydroxide H 19 Write the formula of the following bases Positive ion Na Negative ion CO32 Negative ion OH Acid formula H CO3 Base formula NaOH

What is the number of formula units in a 8 13 mol sample of FeCl number of formula units

If a scientist mixed hydrochloric acid HCI with calcium hydroxide Ca OH 2 what products would form O Water and Calcium Chloride O Water O Water and Calcium Hydride O Water and Calcium Hydroxide O Water and Calcium Bromide O Hydrochloric acid and Base

Br2 light

Question 53 of 66 Provide the correct IUPAC name for the skeletal line bond structure shown here Stereochemistry is ignored 3 4 3 4 2 2 3 tri di iso tert hept methyl ethyl

Chemistry VI Answer the following questions 20 pts b What is the IUPAC name of the following compounds b Cu l es el nombre IUPAC del siguiente compuesto H H H C OH OH OH OH CH3 CH3 CH3

Write the rate law for the following reaction if the order of all reactants is one CH4 g 202 g 2H2O 1 CO2 g What happen to the rate of the reaction if the concentration of methane CH4 doubles OA Rate CH4 02 Doubled B Rate K CH4 02 Doubled OC Rate K CH 4 0 Doubled D Rate k CH4 02 Halved E Rate K CH4 02 Quadrupled

reaction Au s MnO Au Mn is balanced in acid 1 32 2 16 3 12 4 24 5 5 003 10 0 points Some compounds of hydrogen and oxygen are exceptions to the common observation that H has oxidation number 1 and O has oxidation number 2 Assuming that the metal has the oxidation number of its most common ion find the oxidation number of H in the compound NaH 7 10 11 1 2 2 3 3 5 6 7 1181123 M A an 12345

A reaction which releases energy is called Endothermic Cold O Exothermic Isothermic O None of these Hot

A person dissolves 178 39g of sodium chloride NaCl into a solution with a total volume of 7 32L Calculate the concentration molarity of the solution Round to two decimal places

SUV TRANSCE 50 D 4000 Which one of the following compounds is consistent with the following IR spectrum 3000 OH 2000 HAVENUMBER LOH 1500 OH E OH IV 1000 OH V H 500

1 Name the following compound F 2 Rank the following from least to most water soluble Explain i OH 1 IONE lo ONa

4 Draw and name all products of the following addition reaction Classify each as Major or Minor Product T 4 HCI

Given the equation Q mcAT Q heat in Joules m mass in grams C 4 18 specific heat capacity AT change in temperature C Calculate the number of Joules of heat energy released when 25 grams of water are cooled from 30 C to I

A solution is A single substance A mixture of two substances A homogenous mixture of two substances O None of these 0 1

Question 8 Heat of fusion is defined as the energy required at constant temperature to change a gas to a liquid solid to a gas solid to a liquid gas to a solid

Question 2 What is the molarity of a solution which has a volume of 4 97L and contains 6 85mol of NaC Round to two decimal places

CH3 CH cha 1 CH3 60 CHO CH2 C CH C CH2 CH2 CH 1 CH 5 3

Which of these can not react with a nucleophile O CH3CH CH O OH BH3 H3C CH CI

Question 3 As a substance changes from a liquid to a gas the average distance between molecules increases No answer text provided remains the same decreases

A person has 787 3mL of a 3 5M KNO3 solution How many moles of potassium nitrate KNO3 are present in the solution Round to 2 decimal places The next question will ask you to upload your work for this problem

Question 5 Which substance has no definite shape but does have definite volume O AICI3 s O Cl 8 O CCL 1 O NaCl s

Which unit will be the nucleophile in the following reaction BrCl CH OH CH3OH Cl from BrCI Br from BrCl OCH 30 Br OCH 3

What mass in grams of solute would be present in 7 13L of a 1 09M copper II chloride CuCl solution Round your answer to two decimal places

Which of the bonds pictured in the following diagram is the strongest Reactants H H TH C H 413 C C H O H C O 14 O H 463 Products OEC H H 436 14 H 14 11 CEO 1072

Question 1 Which phase change is exothermic O solid to liquid Oliquid to gas O liquid to solid O solid to gas

When 2 methyl but 1 ene is reacted with which of these reagents a chiral compound is produced 1 BH3 THF 2 H O2 NaOH 1 Hg OAc 2 H O 2 NaBH4 H Pt C ethanol 0 C HBr CCl4

Which of the following molecular compounds have resonance structures a CO b Pl3 c SeO d HOBr As in c As in a As in d As in b

What volume of a 0 166 M potassium hydroxide solution is required to neutralize 18 0 mL of a 0 309 M perchloric acid solution mL potassium hydroxide

What are the total number of occupied principal energy levels in at atom of oxygen in the ground state 6 O 2 8

Question 9 Balance the following equation H H O Fe Answer number What type of chemical reaction is this synthesis decomposition single replacement or double replacement How many grams of H will be produced from 59 6 grams of H O Fe OH 3 with units and element

An aqueous solution of nitric acid is standardized by titration with a 0 140 M solution of barium hydroxide If 16 7 mL of base are required to neutralize 28 3 mL of the acid what is the molarity of the nitric acid solution M nitric acid

Which element is classified as a halogen ON

Question 4 What would be the name of the structure shown below O sulfur dioxide O

Started May 11 at 2 09pm Quiz Instructions This assignment has 22 multiple choice questions and will automatically submit a Question 5 Which element is classified as a noble gas Na ON O Ni