- Study guides, Class notes & Summaries

OCR A Level Business- H431/01 Operating in a local business environment - May 2025 – Question Paper and Making Scheme Combined

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38 pages

Written in 2025/2026

Grade A+

kithomefrank

Question 1 What units are represented by the numbers marked on the meterstick? Correct Answer centimeters Question 2 What do the small lines marked on the meterstick represent? Correct Answer millimeters Question 3 There are ___________ centimeters (cm) in 1 meter (m). Correct Answer 100 centimeters Question 4 There are ___________________ millimeters (mm) in 1 meter (m). Correct Answer 1000 Question 5 There are ______________ millimeters (mm) in 1 centimeter (cm). Correct Answ...

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16 pages

Written in 2026/2027

Grade A+

LectScotty

Question 1 A property of a substance that depends on the amount of the substance is a(n) Correct Answer extensive property Question 2 Which of the following is an extensive property? volume solubility in water density melting point Correct Answer volume Question 3 A property of a substance that does not depend on the amount of the substance is a(n) Correct Answer intensive property Question 4 Which of the following is an intensive property? mass volume thickness melting poin...

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21 pages

Written in 2026/2027

Grade A+

LectScotty

Question 1 Propinaldehyde Correct Answer propanol- propane with aldehyde at the end Question 2 If you used a bromine test to distinguish between hexane and 2-hexene, in which would the red color of the bromine persist? Correct Answer Hexane would persist because it is saturated. 2-hexene would have the red disappear because it is unsaturated Question 3 Using the equation of Kw, explain how OH- changes when more H3O+ is added Correct Answer Kw is the ion constant product of water. Th...

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20 pages

Written in 2026/2027

Grade A+

LectScotty

Question 1 location of safety feature: fire ext. fume hood; eye wash safety shower and exit Correct Answer draw evacuation path Question 2 Describe the steps to be taken in the event of a 10 ml of ethanol in a 50 ml beaker ignites in the lab Correct Answer aslert, inform instructor and neighbors; then confine locate a watch glass over the beaker let it burn Question 3 identify two important reasons for notifying the lab instructor of any incidents that occur in lab Correct Answer th...

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13 pages

Written in 2026/2027

Grade A+

LectScotty

Determine whether each statement describes an anode or a cathode in a voltaic cell Where the oxidation occurs The positive terminal The negative terminal Where the electrons flow from Where the electrons flow to Where the reduction occurs Correct Answer-anode-cathode-anode-anode-cathode-cathode Question 2 The product of the molarities of the dissolved ions, raised to a power equal to the ion's coefficient in the balanced chemical equation. Correct Answer Solubility product constant ...

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21 pages

Written in 2026/2027

Grade A+

LectScotty

Question 1 What is chromatography? Correct Answer A technique by which the components of a mixture, dissolved in a fluid solvent, are separated through differences in adsorption to a solid surface (components of a mixture are separated) Question 2 Chromatography: as the fluid is passed through the solid... Correct Answer The stronger the interaction of the components with the solid surface, the slower the components pass by or through the solid compared to the solvent Question 3 How i...

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21 pages

Written in 2026/2027

Grade A+

LectScotty

Question 1 Which statement is true about a chemical reaction at equilibrium? Correct Answer The forward reaction rate is equal to the reverse reaction rate. Question 2 Consider the two reactions of iron ions, one with thiocyanate (SCN−) ions and one with chloride (Cl−) ions. If you create an equilibrium mixture from Fe3+ and SCN− ions, adding Cl− ions will _____________________ because ______________________________. Correct Answer-shift the iron-thiocyanate equilibrium to the r...

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21 pages

Written in 2026/2027

Grade A+

LectScotty

REVISED MSIS 3223 – EXAM QUESTIONS AND ANSWERS DescriptiveNanalyticsNhelpsNdetectNhiddenNpatternsNinNlargeNquantitiesNofNdataNtoNgroupNdataNuntoNsetsNt oNpredictNbehavior.N-NCORRECTNANSWER-False. ANmanagerNatNAcademyNwishesNtoNknowNtheNcompany'sNrevenueNandNprofitNinNitsNpreviousNquarter.NPred ictiveNanalyticsNisNwhatNtheNmanagerNshouldNuseNforNthisNtask.N-NCORRECTNANSWER-False. PrescriptiveNanalyticsNcanNhelpNaNcompanyNaddressNtheNbestNwayNofNshippingNgoodsNfromNtheirNfactoriesN to...

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5 pages

Written in 2024/2025

Grade A+

ameliashamash

IMPROVED MSIS 3223 QUIZZES QUESTIONS AND ANSWERS FalseM-MCORRECTMANSWERDescriptiveManalyticsMhelpsMdetectMhiddenMpatternsMinMlargeMquantitiesMofMdataMtoMgroupMdataMintoMset sMtoMpredictMbehaviorM(T/F). FalseM-MCORRECTMANSWERAMmanagerMatMAcademyMwishesMtoMknowMtheMcompany'sMrevenueMandMprofitMinMitsMpreviousMquarter.M PredictiveManalyticsMisMwhatMtheMmanagerMshouldMuseMforMthisMtaskM(T/F). TrueM-MCORRECTMANSWERPrescriptiveManalyticsMcanMhelpMaMcompanyMaddressMtheMbestMwayMofMshipping...

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13 pages

Written in 2024/2025

Grade A+

ameliashamash

ENHANCED MSIS 3223 EXAM QUESTIONS AND ANSWERS Celllreferencesl-lCORRECTlANSWER- _____linlformulaslcanlbelwrittenlwithleitherlrelativeladdresseslorlabsoluteladdresses. Relativel-lCORRECTlANSWERA(n)l_____laddresslusesljustlthelrowlandlcolumnllabellinlthelcelllreferencel(forlexamplelA4lorlC23). Absolutel-lCORRECTlANSWERA(n)l_____laddressluseslaldollarlsignl($)lbeforeleitherlthelrowlorlcolumnlorlbothl($A2,lC$23,lorl$B$15). B$4l-lCORRECTlANSWERUsinglaldollarlsignl($)lbeforelalrowllabell(for...

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11 pages

Written in 2024/2025

Grade A+

ameliashamash

Chemistry Package, Question & Answers

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59 items

EddieBestStudy

General Chemistry Questions & Answers 1000L in m^3 - CORRECT ANSWER - 1000L = 1m^3 1L in cm^3 - CORRECT ANSWER - 1L = 1000cm^3 1mL in cm^3 - CORRECT ANSWER - 1mL = 1cm^3 Acidity - CORRECT ANSWER - - Measure of how well a compound donates protons. Bottom Right are most acidic. Adding Electrons to orbitals & Removing them - CORRECT ANSWER - Fill 4s, then 3d, then 4p Remove 4p, then 4s, then 3d Afbau principle - CORRECT ANSWER - Electrons occupy lowest energy orbitals available Alpha Deca...

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11 pages

Written in 2023/2024

Grade A+

EddieBestStudy

General Chemistry Questions & Answers Absorption frequency - CORRECT ANSWER - Each atom has a characteristic absorption frequency at which it absorbs energy acid dissociation constant - CORRECT ANSWER - Ka = [H3O+][A-]/[HA] Since stronger acids dissociate more readily, the dissociation reaction of a strong acid favors the products. Thus, the resulting Ka value is higher. Acidity trend - CORRECT ANSWER - Adiabatic system - CORRECT ANSWER - no heat exchanged ΔU=w, Q=0 alkali metals (grou...

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23 pages

Written in 2023/2024

Grade A+

EddieBestStudy

GENERAL CHEMISTRY 1305 QUESTIONS & ANSWERS A group of covalently bonded atoms that has an overall electrical charge is called a(n) - CORRECT ANSWER - polyatomic ion A polar bond is found in which of these compounds? a) H2O b) F2 c) NaCl d) H2 e) N2 - CORRECT ANSWER - a) H2O A(n) ___________ is the smallest neutral unit of two or more atoms held together by a covalent bond. - CORRECT ANSWER - A MOLECULE is the smallest neutral unit of two or more atoms held together by a covalent bond....

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7 pages

Written in 2023/2024

Grade A+

EddieBestStudy

MCAT General Chemistry Questions & Answers "fawn-cull-brisch" - CORRECT ANSWER - F O N Cl Br I S C H... These are the electronegative atoms in descending order starting from most electronegative; bonds between H and anything before C will give H a 1+ oxidation state 1amu= - CORRECT ANSWER - Approximately 1 proton or 1 neutron. Hence 1 C atom is 12 amu Acidity - CORRECT ANSWER - acidity increases from left to right across a period and increases down a group or family in the periodic tabl...

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12 pages

Written in 2023/2024

Grade A+

EddieBestStudy

General Chemistry Questions & Answers ... configurations most commonly have isomers - CORRECT ANSWER - square planar ... has the same number of protons but a different number of neutrons - CORRECT ANSWER - isotope ... is a component of the nucleus (proton or neutron) - CORRECT ANSWER - nucleon ... is a compound with the same formula but a different arrangement of atoms - CORRECT ANSWER - isomer ... is a compound with the same number of electrons - CORRECT ANSWER - isoelectronic ... is a ...

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12 pages

Written in 2023/2024

Grade A+

EddieBestStudy

General Chemistry Final Questions & Answers - CORRECT ANSWER - 3.13 if 856 g of C6H12O6 is consumed, what is the mass of CO2 produced? - CORRECT ANSWER - 3.15 In one process, 637.2 g of NH3 are treated with 1142 g of CO2 - CORRECT ANSWER - 3.2 How many moles of He atoms are in 6.46 g of He? - CORRECT ANSWER - 3.3 How many grams of Zn are in 0.356 mole of Zn? - CORRECT ANSWER - 3.4 How many atoms are in 16.3 g of S? - CORRECT ANSWER - 3.6 How many moles of CH4 are present in 6.07 g of...

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8 pages

Written in 2023/2024

Grade A+

EddieBestStudy

DAT General Chemistry Questions & Answers 1ug = xmg 1mg = xg - CORRECT ANSWER - 0.001mg 0.001g Absorption Spectrum - CORRECT ANSWER - Characteristic energy bands where electrons absorb energy Angular Momentum - CORRECT ANSWER - mvr = nh/2pi m: mass of electron v: velocity of electron r: radius of electron orbit h: Planck's constant (6.626 x 10^-34 m^2kg/s) n: quantum number (integer value) Arrhenius Acids and Bases - CORRECT ANSWER - An acid is a species that produces a H+ (a proto...

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6 pages

Written in 2023/2024

Grade A+

EddieBestStudy

General chemistry Questions & Answers A tentative explanation of further facts for further experimentation - CORRECT ANSWER - Hypothesis Amplitude - CORRECT ANSWER - Distance from middle peak Anion - CORRECT ANSWER - A negatively charged ion Cation - CORRECT ANSWER - A positively charged ion Chemical property - CORRECT ANSWER - Properties a substance shows as an interacts with or transformed into other substances composition - CORRECT ANSWER - The types and amount of simpler substances t...

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3 pages

Written in 2023/2024

Grade A+

EddieBestStudy