Classification of Elements and Periodicity Questions and Answers

Which of these types of particles are capable of experiencing dispersion forces Nonpolar molecules Polar molecules Individual neutral atoms

A solid has a regular ordered structure This means that its interactions are uniform across the substance unlike solids

Molecules with unequal electron distribution can cause unequal elecron distribution in their neighbors O True O False

28 72 What is a major function of cholesterol in your body cids e hormone and a female sex hormone of the sex hormones named in EN TER

Detergents and soaps have similar properties and functions Name one chemical similarity and one similar physical property What advantage is there to using a detergent for cleaning rather than soap

3 104 The concentration of cholesterol in the blood serum of a normal adult is approximately 200 mg dL How many grams of cholesterol does a person with a blood volume of 5 75 L have circulating in his or her blood You may need to review Chapter 1

Describe the similarities and differences between a liposome and a micelle relt mer socanalinide are pro

The compositions of the inner and outer surfaces of the lipid bilayer are different Why do these differences exist and how might they be of use to a living cell

23 32 Differentiate between saturated monounsaturated and polyunsaturated fatty acids 235 SIMO PA asides COON z Turca RAI trans

a Which animal fat has the largest percentage of saturated fatty acids b Which vegetable oil has the largest percentage of polyunsaturated fatty acids c Which fat or oil has the largest percentage of the essential fatty acid linoleic acid

5 Your reflection What did you think of Caine and his arcade After watching the Caine s Arcade video I found it very inspiring and very interesting to see how Caine an ingenious 9 year old boy with his imagination his creativity was able to design and create an arcade I think the best part of the story was seeing Caine s effort come to fruition There were a lot of positive changes like Caine suddenly reaching a lot of clients creating a fundraising foundation for Caine studies and seeing a child s creativity result in the making of a filmmaker s story 6 How can teachers use this information to create innovative hands on learning experiences for children Watch the second video for ideas before responding Teachers can use this information 7 Why is it important to give children opportunities to learn through building and constructing things Look in the book and review content from previous modules to support your ideas Children can learn by creating and constructing things because they must apply reasoning and critical thinking abilities every time they build and develop a structure or even a whole planet They must also solve problems when something does not work as they expected These abilities are what allow children to grow into self sufficient and successful people

This questions are according to Caine s Arcade 1 Cognitive Development list three ways Caine s cognitive development was impacted through designing and building his arcade Please use complete sentences and give detailed responses in all areas One way Caines cognitive development was impacted was in the way he was sad when he started his innovation because no customers arrived and 2 Social Development list three ways his social development was impacted through designing building and sharing his arcade Please use complete sentences 3 Emotional Development list three ways his emotional development was impacted through designing building and sharing his arcade Please use complete sentences Caine s emotional development changed drastically Caines after his achievements improved notoriously he was super happy and after being a lonely boy his social skills improved 4 Physical Development list three ways his physical development was impacted through designing and building his arcade Please use complete sentences

1 Cognitive Development list three ways Caine s cognitive development was impacted through designing and building his arcade Caine wanted to experiment with his arcade and he challenged his own intellect by creating a claw machine instead of buying one that would be expensive Along with this Caine is faced with people who don t want to participate in his arcade and he tries to find a reason behind it Never discouraged by it though Caine thought of his own shirt and designed it allowing his involvement in his activity to grow 2 Social Development list three ways his social development was impacted through designing building and sharing his arcade Caine s social development improved throughout the time he was creating his arcade games It is said by Caine s father that he would ty to talk to the customers that would walk into his shop and ask them to play He did his best to encourage these people into playing He became independent with his imagination creating arcade games for others to play He soon eventually was able to use his social skills when it came to everyone coming to play his arcade games He took initiative and worked and showed his new customers how to play

2 What substance s functions as the stationary phase and what substance s functions as the mobile phase in this TLC experiment

20 At equilibrium at 2500 K HC 0 0625 M and H Cl 0 00450 M for the reaction H g Cl g 2HCl g a Calculate the equilibrium constant for the reaction as written above Show all necessary work no work no credit If necessar do the problem on a separate sheet of paper and insert a photo of it in the designated space

3 What is meant by enzyme specificity Give some examples 4 Which group of organic compounds includes the enzymes

8 Define the following terms a Enzyme b Coenzyme c Cofactor d Allosteric effects e Reversible and irreversible inhibitors

For the below reaction calculate the alkalinity produced in mg L CaCO if the influent methanol CH OH concentration is 4 mM Ca 40 C 12 H 1 0 16 N 14 SCH OH 6NO 3N SCO 7H 0 60H

5 An enzyme that hydrolyzes proteins will not act upon starch What does this fact imply abou enzymes

1 Enzymes are divided into 6 main classes What are those classes And what are their functions a b d GAR 201 200 square son HO HO D O PW

Rank the following diatomic species of boron in order of bond length and bond streng A B2 B B C B Bond Length Bond Strength E Use this template to help answer the question 2p Longest Next Shortest 2s Strongest Next Weakest 0 20 n 2p 020 1 p 0 25 2s 2p

Review Topics References Use the molecular orbital energy diagram below to answer the questions about bond order for the positive ion Number of Bonding Number of Antibonding Ne Valence Electrons Valence Electrons This corresponds to A Single bond B Double bond C Triple bond D Half of a bond E neonA 2p 2s E Between a single and double bond F Between a double and a triple bond G No bond Ne does not form MO s 0 2p n 2p p 020 OF 25 neonB Bond Order 2s 2p

Rank the following diatomic species of fluorine in order of bond length and bond s A F2 B F C F Bond Length Bond Strength E Use this template to help answer the question 2p Longest Next Shortest 2s Strongest Next Weakest 0 2p n 2p 12p 020 0 25 025 2s 2p

Number of Bonding Number of Antibonding N2 Valence Electrons Valence Electrons This corresponds to A Single bond B Double bond C Triple bond D Half of a bond E nitrogen A 2p 2s E Between a single and double bond F Between a double and a triple bond G No bond N does not form MO s n 2p 02p 1 p 0 25 Bond Order nitrogen 2s 2p dions about bona ora for the mole

2 A sample of methane gas CH4 occupies 3 50 L at a temperature of 20 0 C If the pressure is held constant what will be the volume of the gas at 100 C

Which of the following represents an acceptable set of quantum numbers for an electron in an atom arranged as n I mi ms O 2 1 0 1 2 O 0 0 0 1 2 O 2 1 2 0 O 3 2 1 1 2 33 3 1 1 2

Use the molecular orbital energy diagram below to answer the questions about bond order for the positive ion Number of Bonding Number of Antibonding B Valence Electrons Valence Electrons This corresponds to A Single bond B Double bond C Triple bond D Half of a bond 1 E boronA 2p 2s E Between a single and double bond F Between a double and a triple bond G No bond B does not form MO S 0 2p 2p 02p p 0 2s Bond Order borong 2p 2s

E neonA 2p 2s r MO S neon B 2s 2p

What is the conjugate acid in the following equation CH3COOH NH3 NH4 CH3COO NH3 0 CH3COO NH4

Write the chemical formula for the compound barit b Calculate the molar mass of barium sulfate trihydrate show your work c Calculate the percentage by mass of barium in the compound barium sulfate trihydrate show your work

How many atoms are in 7 2 moles of Potassium 720 atoms O 39 1 atoms O 4 3 x 1024 atoms 1 2 x 1023 atoms X

How many grams of NaCl are required to make 0 500L of 0 25M NaCI

11 Name the process that enables us to break down glucose to get energy 12 Name the organelle where most of our ATP is generated

When a substance reaches its vapor pressure the evaporation of liquid molecules to the gas phase stops O True O False

What is the correct Lewis structure for hydrocyanic acid HCN including the formal charges if any CH 1 H C N A O A B OC D H C N B H C N C H C N H C N D E

What is a good mnemonic device that will help you remember the nutrients that all needs carbon hydrogen oxygen nitrogen phosphorus and sulfur

Given that Urms 3RT molarmass and R 8 314 J mol K find the root m square velocity of nitrogen gas at 905 K

At extremely high pressures the volume taken up by the actual gas particles becomes relevant and cause gases to behave less like ideal gases True O False

is the process of gas particles spreading out to evenly distribute across all available space

At low temperature the interactions between molecules become more relevant and cause gases to behave less like ideal gases O True O False

4 98 moles of gas occupy 51 7 L in a flexible container If another 3 01 moles are added to the container what will the total volume in L be

The melting point of a substance is the point where the vapor pressure is equal to the ambient atmospheric pressure O True O False

A 3 00 L rigid container holds 6 26 moles of neon gas at 1 255 K What is the pressure in the container in atm

Convert 33 5 psi to bar Unit Pascal 1 N m Pounds per square inch Torr 1 mmHg Inches of mercury Bar Atmosphere Abbreviation Pa psi torr in Hg bar atm Average Air Pressure at Sea Level 101 325 Pa 14 7 psi 760 torr exact 29 92 in Hg 1 013 bar 1 00 atm

After boiling mercury it is held as a monatomic gas at 49 2 kPa and 995 K If the gas occupies 0 0281 L how many grams of mercury are present

Which of the following statements is incorrect O Potassium K has a larger atomic radius than titanium Ti Olonization energy values are always greater than zero O Bromine Br has a higher electronegativity than iodine 1 O Electron affinity values are always greater than zero O Nitrogen N has a higher ionization

In 1662 Robert Boyle and an assistant carried out an experiment in which a sample of gas was subjected to a steadily increased applied pressure The results are presented in the graph below Experimental data was collected and tabulated The graph below shows the relationship between the experimental pressure and what variable Variable 10 Boyle s Gas Law Experiment 200 Pressure in mig 40 50 60 Temperature in Kelvin O Amount in moles Volume in litres O Pressure in atmospheres

3 Convert each of the following to mass in grams a 0 150 mol Ba OH 2 b 4 850 mol CCl4 c 1 355 x 1024 atoms Sr 4 Convert each of the following a 4 72 g Kr b 15 6 g He mol Kr c 12 4 mol carbon monoxide CO b 3 7 mol Na mol He 5 Calculate the following conversions a 200 0 g FeCl c 250 0 mol Al O3 g Na

Which of the following has exactly two unpaired electrons in the ground state OF O O Ne

Examine the three molecules below Jose De Bur Which of the following functional groups is found in all three molecules O ether O carboxylic acid O ketone O amide ester