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AQA A Level Chemistry - Paper 3 100% CORRECT ANSWERS
what colour is {Fe(H2O)6}2+ - ANSWER pale green Transition Metal definition - ANSWER D block elements that form at least one stable ion with a partially filled d orbital Classic elements which are not transition metals despite being D-Block elements - ANSWER Scandium and Zinc properties of transition metals which are NOT shared by other metals - ANSWER multiple oxidation states -coloured ions in solution -great catalysts -form complexes with ligands ligand - AN...
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- • 11 pages •
what colour is {Fe(H2O)6}2+ - ANSWER pale green Transition Metal definition - ANSWER D block elements that form at least one stable ion with a partially filled d orbital Classic elements which are not transition metals despite being D-Block elements - ANSWER Scandium and Zinc properties of transition metals which are NOT shared by other metals - ANSWER multiple oxidation states -coloured ions in solution -great catalysts -form complexes with ligands ligand - AN...
AQA A Level Chemistry Paper 1 2022 SOLUTION 100% REVISED 2023//2024
Bronsted-Lowry acid - ANSWER a proton donor. Bronsted-Lowry base - ANSWER proton acceptor What is H3O+? - ANSWER hydronium ion definition of pH - ANSWER -log10[H+] How do you get [H+] from ph? - ANSWER 10^(-pH) the ionic product of water - ANSWER [OH-][H+] Is dissociation an endo or exothermic reaction? - ANSWER endothermic Why is the concentration of water not included in Kw? - ANSWER The concentration of water is so large and constant the equilibriu...
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- • 9 pages •
Bronsted-Lowry acid - ANSWER a proton donor. Bronsted-Lowry base - ANSWER proton acceptor What is H3O+? - ANSWER hydronium ion definition of pH - ANSWER -log10[H+] How do you get [H+] from ph? - ANSWER 10^(-pH) the ionic product of water - ANSWER [OH-][H+] Is dissociation an endo or exothermic reaction? - ANSWER endothermic Why is the concentration of water not included in Kw? - ANSWER The concentration of water is so large and constant the equilibriu...
AQA A Level Chemistry 2022 Paper 2 SOLUTION 2023//2024
How can we make polymers more flexible? - ANSWER By adding a plasticiser How do plasticisers make polymers more flexible? - ANSWER They stick between the chains and keep the polymers further apart from each other, weakening the van der Waals forces and lets chains slide more easily. Uses of Kevlar - ANSWER bulletproof and used in body armour. Uses of Nylon - ANSWER commonly used in textiles. Why are polymers strong? - ANSWER Polymers are bound by van der Waals for...
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- • 5 pages •
How can we make polymers more flexible? - ANSWER By adding a plasticiser How do plasticisers make polymers more flexible? - ANSWER They stick between the chains and keep the polymers further apart from each other, weakening the van der Waals forces and lets chains slide more easily. Uses of Kevlar - ANSWER bulletproof and used in body armour. Uses of Nylon - ANSWER commonly used in textiles. Why are polymers strong? - ANSWER Polymers are bound by van der Waals for...
AQA A Level Biology Paper 1 100% CORRECT ANSWERS
Water removed from the reactants Condensation The addition of water to the reactants Hydrolysis Add 2cm³ of food sample (in solution). Add 2cm³ of benedict's Reagent. Heat the solution in a water bath for 3 minutes. Change from blue to brick red. CuO formed Test for Reducing Sugars Add 2cm³ of food sample.Add 2cm³ of dilute HCL then heat.Add 2cm³ of NaHCO3.Then do test for reducing sugars. Non-Reducing Sugars Add drops of iodine to starch solution. Colour change to blue-bla...
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- • 25 pages •
Water removed from the reactants Condensation The addition of water to the reactants Hydrolysis Add 2cm³ of food sample (in solution). Add 2cm³ of benedict's Reagent. Heat the solution in a water bath for 3 minutes. Change from blue to brick red. CuO formed Test for Reducing Sugars Add 2cm³ of food sample.Add 2cm³ of dilute HCL then heat.Add 2cm³ of NaHCO3.Then do test for reducing sugars. Non-Reducing Sugars Add drops of iodine to starch solution. Colour change to blue-bla...
Area of Composite Figures-Edge quiz SOLUTIONS 100%
What is the area of the composite figure? 70 cm2 100 cm2 105 cm2 130 cm2 - ANSWER B. 100 cm2 What is the area of the shaded portion of the circle? (16π - 32) in2 - ANSWER A. (16π - 32) in2 A carpenter is making a wooden window frame that has a width of 1 inch. How much wood does the carpenter need to build the frame? 5.5 + 106 square inches 5.5 + 116 square inches 5.5 + 153 square inches 5.5 + 162 square inches - ANSWER A. 5.5 + 106 square in...
- Exam (elaborations)
- • 3 pages •
What is the area of the composite figure? 70 cm2 100 cm2 105 cm2 130 cm2 - ANSWER B. 100 cm2 What is the area of the shaded portion of the circle? (16π - 32) in2 - ANSWER A. (16π - 32) in2 A carpenter is making a wooden window frame that has a width of 1 inch. How much wood does the carpenter need to build the frame? 5.5 + 106 square inches 5.5 + 116 square inches 5.5 + 153 square inches 5.5 + 162 square inches - ANSWER A. 5.5 + 106 square in...
ARDMS SPI Exam Questions and Answers (2023/2024) (Verified)
Which gain will increase the risk of bioeffects? a. transmit b. receive c. gain d. overall gain - CORRECT ANSWER a. transmit Which of the following is considered the memory of an ultrasound instrument? a. pulser b. transducer c. receiver d. beam former e. digital scan converter f. display monitor - CORRECT ANSWER e. digital scan converter Spectral broadening suggest: a. laminar flow b. turbulent flow c. flow away from the transducer d. flow towards the transducer ...
- Exam (elaborations)
- • 6 pages •
Which gain will increase the risk of bioeffects? a. transmit b. receive c. gain d. overall gain - CORRECT ANSWER a. transmit Which of the following is considered the memory of an ultrasound instrument? a. pulser b. transducer c. receiver d. beam former e. digital scan converter f. display monitor - CORRECT ANSWER e. digital scan converter Spectral broadening suggest: a. laminar flow b. turbulent flow c. flow away from the transducer d. flow towards the transducer ...
Ardms Echo 2023//2024 100% CORRECT ANSWERS
Pericardium - ANSWER a fluid filled sac that covers the heart and helps protect it against infection and trauma. fibrous pericardium - ANSWER The outermost layer of the pericardium serous pericardium - ANSWER The innermost layer of the pericardium, it is made up of two layers parietal layer - ANSWER first layer of the serous pericardium that lines the inside of the fibrous pericardium Visceral layer - ANSWER the layer that adheres to the outside of the heart. ...
- Exam (elaborations)
- • 29 pages •
Pericardium - ANSWER a fluid filled sac that covers the heart and helps protect it against infection and trauma. fibrous pericardium - ANSWER The outermost layer of the pericardium serous pericardium - ANSWER The innermost layer of the pericardium, it is made up of two layers parietal layer - ANSWER first layer of the serous pericardium that lines the inside of the fibrous pericardium Visceral layer - ANSWER the layer that adheres to the outside of the heart. ...
ARDMS Adult Echo WITH COMPLETE SOLUTIONS 2023//2024
Where is the CS located - ANSWER posterior to the AV groove Scatters= - ANSWER RBC Most common congenital anomaly most frequently seen in adults - ANSWER Bi cuspid valve In order to record a vegetation of endocarditis by echo the veg must have a diameter of at least how big - ANSWER 3 centemeter Which M mode finding is considered to be a specific indicator of a fenestrated AV - ANSWER diastolic flutter of the aortic valve Fenestrated= - ANSWER window like op...
- Exam (elaborations)
- • 21 pages •
Where is the CS located - ANSWER posterior to the AV groove Scatters= - ANSWER RBC Most common congenital anomaly most frequently seen in adults - ANSWER Bi cuspid valve In order to record a vegetation of endocarditis by echo the veg must have a diameter of at least how big - ANSWER 3 centemeter Which M mode finding is considered to be a specific indicator of a fenestrated AV - ANSWER diastolic flutter of the aortic valve Fenestrated= - ANSWER window like op...
Ammunition Handlers 108 Answered Correctly. REVISED 2023//2024
Which form indicates who is authorized to receive the ammunition issue? - ANSWER DA Form 1687 How does the Stock Control Specialist known which each ammunition items the unit requires for the training exercise? - ANSWER Ammunition requirements are listed on DA Form 581 Which form does the Surveillance Personnel use to review the ammunition restrictions and suspensions before issue? - ANSWER DA Form 3151-R Who is responsible for completing the Destination columns for Secti...
- Exam (elaborations)
- • 3 pages •
Which form indicates who is authorized to receive the ammunition issue? - ANSWER DA Form 1687 How does the Stock Control Specialist known which each ammunition items the unit requires for the training exercise? - ANSWER Ammunition requirements are listed on DA Form 581 Which form does the Surveillance Personnel use to review the ammunition restrictions and suspensions before issue? - ANSWER DA Form 3151-R Who is responsible for completing the Destination columns for Secti...
Ammunition Handler's CORRECT SOLUTION 2023//2024
When using specially controlled training ammunition items, a DA Form 5692 must be used. Who is required to sign this form? - ANSWER Commander The range ammunition NCO asks you to transfer two cases of unopened ammunition to him. Which form would you use to do this? - ANSWER DA Form 581 Before leaving the range, you notice several ammunition items were damaged. Which form will you use to document this? - ANSWER DA 5811 While on the range, one of your soldiers exp...
- Exam (elaborations)
- • 4 pages •
When using specially controlled training ammunition items, a DA Form 5692 must be used. Who is required to sign this form? - ANSWER Commander The range ammunition NCO asks you to transfer two cases of unopened ammunition to him. Which form would you use to do this? - ANSWER DA Form 581 Before leaving the range, you notice several ammunition items were damaged. Which form will you use to document this? - ANSWER DA 5811 While on the range, one of your soldiers exp...
ATI Med Surg Cardiovascular and Respiratory QUESTIONS WITH 100% CORRECT ANSWERS 2023
ACRP CCRC 500 Exam Questions 100% SOLUTION
ATI PN MATERNAL NEWBORN Proctored Exam 2020 VERIFIED COMPLETE VERSION QUESTION AND ANSWERS A GRADE LATEST UPDATE MAY 2023.