Inorganic Chemistry Questions

1 Setting Describe the setting of Stagecoach Pass How might this new climate affect Aven TYPE HERE 2 Explicit Details What does Gary tell the family about Joe Cavanaugh TYPE HERE 3 Plot Why does Aven go inside the museum TYPE HERE 4 Inference Why do you think that the Cavanaugh s picture is missing in the museum TYPE HERE

Margarines are solid forms of fat made from oils Which of the following processes could be used to give an oil as a spreadable consistency Add hydrogen to the saturated fatty acid chains Remove hydrogen from the saturated fatty acid chains Switch the bonds from trans to cis None of these options is correct Replace saturated fatty acids with unsaturated fatty acids Replace some of the unsaturated fatty acids with saturated fatty acids

concerning fermentation is correct Pickling is a specific term for fermentation of cucumbers Fermented foods have no effect on immunity Fermented foods reduce the concentration of good bacteria in the gut None of these statements is correct Kimchi s high salt content prevents it from acting as a probiotic A number of short chain fatty acids can be produced Question 44 1 point Which one of the following vitamins is fat soluble Vitamin D None of these options is correct O Vitamin C O Vitamin B3 Vitamin B12

For assessments in lab and lecture you must have these conversions memorized 1 m g L 10 m X 106 X 10 n X Show your work 1 Convert 100 um to a nm c m b mm 2 Convert 350 mL to A liter is a unit of volume a L b nL

According to Coulomb s law if the separation between two particles of the same charge is tripled the potential energy of the two particles is triple as high as it was before the distance separation is nine as high as it was before the distance separation O is one third as high as it was before the separation Odoes not change

5 fluid oz of a 2 acid solution was mixed with 11 fluid oz of a 66 acid solution Find the concentration of the new mixture

Compared to ionic and covalent bonds the strength of intermolecular forces are substantially greater Oslightly greater slightly less O substantially less the same

Ultraviolet radiation and radiation of shorter wavelengths can damage biological molecules because they carry enough energy to break bonds within the molecules A carbon sulfur bond requires 272 kJ mol to break What is the longest wavelength of radiation with enough energy to break carbon sulfur bonds Express your answer using three significant figures View Available Hint s Hint 1 Convert the energy needed to break a carbon sulfur bond from kJ mol to J photon xa AEO Xb a x x x x 1X1 X 10n X

What does a pH of 3 00 mean about a solution options The solution is a strong acid The solution is a strong base The solution is mostly acidic The solution is mostly basic Impossible to answer with the given information Question 14 What answer below best describes nuclear fission options A nuclear reaction where two small atoms merge together to form a new atom and absorb a significant an heat A nuclear reaction where two small atoms merge together to form a new atom and release a significant ar heat A nuclear reaction where one large atom breaks apart and releases significant amount of heat A nuclear reaction where one large atom breaks apart and absorbs a significant amount of heat Question 16 Analyze the word problem and match the vocabulary terms to the chemicals in the word problem 5 00 grams of solid citric acid is dissolved in 500 00 ml of water to make aqueous citric acid options 500 00 ml of water 5 00 grams of solid citric acid aqueous citric acid 1 2 3 Solute Solvent Solution

A sample of water molar mass 18 02 g mol containing 2 00 moles is initially at 30 0 C If the sample absorbs 2 00 kJ of heat what is the final temperature of the water specific heat of water 4 184 J g C A 15 3 C B 30 2 C C 43 3 C D 46 7 C F 63 7 C

7 32 moles of sodium phosphate reacts with excess calcium chloride producing calcium phosphate and odium chloride as shown in the reaction equation below Na3PO4 CaCl Ca3 PO4 2 NaCl Balance the chemical reaction equation and calculate the number of moles of sodium chloride produced

Use the information and table to answer the question A chemistry company is hired to produce sodium chloride NaCl using the following equation HCl aq aq Na s The team of chemists recorded Mass of Na 14 25 g NaCl H g the following data Total Mass of Products 23 75 g Mass of HCI Solution 9 50 g Develop a plan the company can use to test and justify that a chemical reaction has

Hot dogs are mostly protein fat and water After removing the water from a hot dog it weighs 100 grams The label says 80 fat free by weight How many calories come from fat 720 calories 320 calories 180 calories 900 calories 90 calories None of these options is correct

The accepted value of the melting point of pure flurbiprofen is 390 K Trying to verify that value you obtain 389 K 391 K 386 K and 394 K in four separate trials Your partner finds 394 K 394 K 394 K and 392 K a Calculate the average value and percent error for your data and your partner s data Your average value K Your partner s average value Your percent error K

How much energy in J is contained in 1 00 mole of 552 nm photons Chapter 2 3 60 10 28 J 2 17 x 105 J 3 60 10 19 J 5 98 10 43 J Correct E 3 59857x10 19 hc 1 6 626 10 J 6 x 2 9979 10 552x10 m 7 J 6 022 x10 photons 2 17 10 J 3 59857x10 J photon

Which of the following represents the spin quantum number Oms

Which electron is most shielded from nuclear charge O an electron in a 4p orbital an electron in a 3p orbital O a an electron in a 2p orbital an electron in the 1s orbital

Use the ideal gas law to calculate the pressure inside of a IL compressed gas tank with a temperature of 273 15K filled with 13moles of CO R 8 31 options 567 74 kPa 21 01 kPa 3550 95 kPa 0 05 kPa None of the above Question 4 Does the water temperature change when a pot of water is hoiling options No all of the heat that is added to the water while the water is boiling is converting the liquid water to ga Yes temperature gets higher because you are adding more heat Yes the temperature gets lower because you are removing heat from the system Cannot answer this question with the information given Question 5 L kPa K mol Below is the thermochemical equation for the combustion of octane 2C8H18 1 2502 g 16CO2 g 18H O I AH 10 941 kJ How much heat is released during the combustion of 4 moles of octane C8H18 options 10 941 kJ 2 735 kJ 5 470 5 kJ 21 882 kJ

of figurative language used in the paragraph Megan s children were a headache Although she loved them dearly she always felt like she was dealing with a minor crisis They would often bang and crash around the house and sometimes she felt like she was a clean up crew She was exhausted at the end of every day and her bed would groan as she sank down into it FIG LANGUAGE 1 Type here Type here FIG LANGUAGE 2 Type here Type here FIG LANGUAGE 3 Type here Type here FIG LANGUAGE 4 Type here Type here FIG LANGUAGE 5 Type here Tyne here

You synthesize a new radon compound in which the central radon atom is bonded to four fluorine atoms and two oxygen atoms How many valence electrons does its Lewis structure contain 48 32 28 12

Calculate the wavelength of light emitted when an electron in the hydrogen atom makes a transition from an orbital with n 5 to an orbital with n 3 Chapter 2 1 55 x 10 19 m 2 28 10 6 m 6 04 x 10 7 m 1 28 x 10 6 m

Diagrammatically represent the detailed reactions for the biosynthesis of the fatty acid linoleate 18 3w3 in the human liver starting from acetyl CoA T R 11 1 JE GO

Calculate the wavelength of an electron traveling at 2 85 x 107 m s Hint mass of electron 9 11 x 10 31 kg h 6 626 x 10 34 kg m s 5 55 x 10 8 m 02 2 55 x 10 10 m 2 74 x 10 9 m 3 75 x 10 9 m 5 95 x 10 10 H 3 D2L Quizze

Gaseous methane CH4 reacts with gaseous oxygen gas O to produce gaseous carbon dioxide CO and gaseous water H O If 6 49 g of carbon dioxide is produced from the reaction of 4 17 g of methane and 10 6 g of oxygen gas calculate the percent yield of carbon dioxide Round your answer to 3 significant figures m

Paper clips are made of iron If the average paper clip weighs 2 grams how a mole of iron weigh How many paper clips would be needed for a mole of iron

How much energy is required to ionize a hydrogen atom containing an electron in the n 2 level Express your answer in joules to three significant figures xa AEO x vx x IXI PIZZZA X 10n X

Write the 4 quantum numbers for Cadmium s LAST valence electron 4 T

The strategy I am using is Set a clock for every 30 minutes of me doing chores Date May 1 H Date May 2 Date May 3 Date May 4 Date Ma

5 5 missing apostrophes and explain them below I couldnt believe we received an invitation to the Smiths holiday party They had the most elaborate parties with fireworks gourmet food and live music It wasn t really a childrens event but my parents agreed to let me attend There werent going to be a lot of kids there but I didn t want to miss it Its the best party of the year and I am so excited to go APOSTROPHE ERROR 1 Type here Correction Type here APOSTROPHE ERROR 2 Type here Correction Type here APOSTROPHE ERROR 3 Type here Correction Type here APOSTROPHE FRROR 4 Tyne here

Let k and n be integers with 0 k n Find a formula for n n 1 7 ik i 0 in terms of k and n Partial credit for a correct statement without proc

2 Dilute your acid solution from part A to make 500 0 mL of a 0 200 mol L acid solution Complete the dilution calculation below to determine the amount of stock acid solution required in mL 3

14 The empirical formula of a certain hydrocarbon is CH When 0 125 moles of this hydrocarbon is completely burned with excess oxygen it is observed that 8 40 Liters of CO gas are produced at STP What is the molecular formula of the unknown hydrocarbon a CH h C H d C3H6 e C4H8 c C H3

select select a What is the most abundant isotope of magnesium Bis the most abundant isotope b What is the least abundant isotope of magnesium Bis the least abundant isotope Magnesium 24 has 24 Magnesium 25 has Magnesium 26 has c Will the relative atomic mass of magnesium be closer to a value of 24 or 25 or 26 The relative atomic mass will be closer to select d List the number of protons electrons and neutrons in each of the ions shown in the mass spectrum protons 10 13 protons 25 Mass charge protons electrons and electrons and 11 17 electrons and 26 neutrons neutrons neutrons

What is the isotope symbol for atoms that contain the following numbers of subatomic particle Click in the answer box to open the symbol palette a 1 proton 1 electron and 2 neutrons b 4 protons 4 electrons and 5 neutrons c 15 protons 15 electrons and 16 neutrons

Complete the following table by selecting true or false for each statement always an integer rarely an integer a measurement the sum of the number of protons and neutrons The mass number of an atom is select B select B select B select B The mass of an atom is select B select B select B select B

Determine the number of protons electrons and neutrons present in the following ions 37 CI protons electrons 40 Ca neutrons protons electrons neutrons

2 This element is select 8 Identify the element from the atom shown What are the atomic number neutron number and number of this isotope The atomic number of this isotope is The neutron number of this isotope is The mass number of this isotope is Check my work electrons Expanded view

Write the symbol for the ion that is formed after each of the following changes Identify each ion cation or an anion a An oxygen atom gains two electrons The ion is select 8 The symbol is b A mercury atom loses two electrons The ion is select 8 The symbol is

Calculate the value of AHO kJ for the following reaction using the listed mochemical equations 2NO2 g N2O4 g N2 g 2O2 g 2NO2 g N2 g 2O2 g N2O4 g AHO kJ 67 8kJ AHO kJ 9 67kJ

Complete the following table for the designated atoms Isotope Symbol Number of Protons Number of Neutrons Number of Electra 56 Mn 25 23 Na 11 12 Check my work 11 6

Suppose that the isotope abundance of magnesium on another planet has been determined to different from that on Earth as shown in the following table Calculate the relative atomic ma magnesium on this planet Isotope Mass amu Natural abundance 24 Mg 23 985 20 00 25 Mg 24 985 20 00 25 983 60 00 26Mg amu

Be sure to answer all parts How many protons neutrons and electrons are in each of the followin a an oxygen atom with a mass number of 15 b a silver atom with a mass number of 109 c a chlorine atom with a mass number of 35 a b Protons Neutrons Electrons

Determine AHO kJ for the following reaction using the listed enthalpies of reaction 2NO2 g 4 H O 1 AHO kJ 180kJ AHO kJ 112kJ AHO kJ 571 6kJ N2 g 2O2 g N2 g O2 g 2NO g 2NO2 g 2NO g O2 g 2H2 g O2 g H O l

Identify the type of organic compound shown CH3 C O CH3 O aldehyde O ester O amine O ketone none of these

Determine AH kJ for the following reaction using the listed enthalpies of reaction 2NO2 g 4 H O 1 AHO kJ 180kJ AHO kJ 112kJ AHO kJ 571 6kJ N2 g 2O2 g N2 g O2 g 2NO g 2NO2 g 2NO g O2 g 2H2 g O2 g H O l

Allange the Following Substances In order of Increasing boiling Point a CH3OH b CO C CH4 CH3 2 Lowest bp CO CH3OH higest bp What is the conjugate base of the following acids 1 H PO4 HPO4

3 8242 110 5 10 3 Fe O3 s CO g 2 Fe3O4 s CO g AH AH Products AH Reactants 4 H 2 1118 4 393 5 31 824 2 110 5 AH 2 1118 4 393 5 3 824 2 110 5 AH 499 2 4

8 Three Letter Crossword Entries Excluding J Q X and Z how many 3 letter crossword puzzle entries can be formed that contain no repeated letters It has been conjectured that all of them have appeared in puzzles over the years sometimes with painfully contrived definitions shable 11 letter

10 3 Fe O3 s CO g 2 Fe3O4 s CO2 g 4H 4H Products AH Reactants 4H 26 1118 4 393 5 31 829 2 110 5 AH 2 1118 4 393 5 31 824 2 110 5 AH 499 2 4 L

a b 4 Where do molecules store chemical energy when their atoms are bonded together In their valence electrons In their nucleus c In their bonds d a In their subshells 5 How would heat flow when a pan is placed on a hot stove Heat would not flow in this scenario From the cold pan to the warmer stove From the cold stove to the warmer pan d From the hot stove to the cooler pan