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CHEM 103 MODULE 6 2022 Click this link to access the Periodic Table. This may be helpful throughout the exam. List and explain if each of the following solutions conducts an electric current: sodium chloride (NaCl), hydrochloric acid (HCl) and sugar (C6H12O6). Sodium chloride (NaCl) is an ionic compound and conducts since it forms ions in solution. Hydrochloric acid (HCl) is a polar compound and conducts since it forms ions in solution. Sugar (C6H12O6) is a molecular compound but does no...

CHEM 103 MODULE 4 EXAM 2022 Click this link to access the Periodic Table. This may be helpful throughout the exam. Write the subshell electron configuration (i.e.1s 2 2s 2 , etc.) for the Fe26 atom. Fe26 = 26 electrons = 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 6 Click this link to access the Periodic Table.This may be helpful throughout the exam. Write the subshell electron configuration (i.e.1s 2 2s 2 , etc.) for the S16 atom. S16 = 16 electrons = 1s 2 2s 2 2p 6 3s 2 3p 4 C...

CHEM 103 FINAL EXAM Question 1 Click this link to access the Periodic Table. This may be helpful throughout the exam. 1. Convert 845.3 to exponential form and explain your answer. 2. Convert 3.21 x 10 -5 to ordinary form and explain your answer. 1. Convert 845.3 = larger than 1 = positive exponent, move decimal 2 places = 8.453 x 10 2 2. Convert 3.21 x 10 -5 = negative exponent = smaller than 1, move decimal 5 places = 0. Question 2 Click this link to access the Periodic Table. ...

CHEM 103 MODULE 5 EXAM 2022 Question 1 Click thislink to accessthe Periodic Table. This may be helpfulthroughout the exam. Show the determination of the charge on the ion formed by the Se34 atom. Se34 (nonmetal = gain electrons) 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 10 4p 4 gain 2e → Se -2 Question 2 Click thislink to accessthe Periodic Table. This may be helpfulthroughout the exam. H = 2.1 Li = 1.0 Be = 1.5 B = 2.0 C = 2.5 N = 3.0 O= 3.5 F = 4.0 3 3 Na = 1.0 2.1 Mg = 1.2 ...

AQA A LEVEL BIOLOGY PAPER 1 2021 Please write clearly in block capitals. Centre number Candidate number Surname Forename(s) Candidate signature I declare this is my own work. A-level BIOLOGY Paper 1 Time allowed: 2 hours Materials For this paper you must have: • a ruler with millimetre measurements • a scientific calculator. Instructions • Use black ink or black ball-point pen. • Fill within the boxes at the top based on this page. • Answer all questions. • You mu...

CHEM 103 MODULE 3 EXAM 2022 Click this link to access the Periodic Table. This may be helpful throughout the exam. A reaction between HCl and NaOH is being studied in a styrofoam coffee cup with NO lid and the heat given off is measured by means of a thermometer immersed in the reaction mixture. Enter the correct thermochemistry term to describe the item listed. 1. The type of thermochemical process 2. The amount of heat released in the reaction of HCl with NaOH 1. Heat given off = Exo...

CHEM 103 MODULE 2 EXAM 2022 Question 1 Click this link to access the Periodic Table. This may be helpful throughout the exam. Show the calculation of the molecular weight for the following compounds, reporting your answer to 2 places after the decimal. 1. Al2(CO3)3 2. C8H6NO4Cl 1. 2Al + 3C + 9O = 233.99 2. 8C + 6H + N + 4O + Cl = 215.59 Question 2 Click this link to access the Periodic Table. This may be helpful throughout the exam. Show the calculation of the number of moles in th...

PORTAGE LEARNING CHEM 210 - MODULE 7 EXAM. True or False: The ΔG value for a particular reaction is -78kJ/mol. This value indicates the reaction is NOT spontaneous. FALSE True or false: A biochemical metabolic pathway is a single reaction that converts starting material into products. FALSE True or false: Three ATP molecules are used in the energy-investing stage of glycolysis. FALSE True or False: The citric acid cycle occurs in the absence of oxygen. FALSE True or false: The β-ox...

PORTAGE LEARNING CHEM 210 TEST 7. | 2021 Test 7 CORRECT ANSWERS IN RED Question 1 True or False: The G value for a particular reaction is +52kJ/mol. This value indicates the reaction is spontaneous. True False Question 2 3 / 3 pts True or false: A biochemical metabolic pathway is a single reaction that convertsstarting material into products. True False Question 3 True or false: Two ATP molecules are used in the energy-investing stage of glycolysis. True False Question 4 Tru...

AQA A LEVEL BIOLOGY Paper 3 MS 2021 S - The Marketplace to Buy and Sell your Study Material Downloaded by: BetterAcademics | Distribution of this document is illegal S - The Marketplace to Buy and Sell your Study Material MARK SCHEME – A-LEVEL BIOLOGY – 7402/3 – JUNE 2021 Downloaded by: BetterAcademics | Distribution of this document is illegal A-level BIOLOGY 7402/3 Paper 3 Mark scheme June 2021 Version: 1.0 Final 2 S - The Marketplace to Buy and Sell your Study Materia...