So4 - Samenvattingen, Aantekeningen en Examens

Chem 103 Module 1 to 6 Exam with Verified answers (100 OUT OF 100) Portage learning (Latest Update) MODULE 1 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 102 2. Convert 3.21 x 10-5 = negative exponent = smalle...

1. A solution is prepared by dissolving 50 g of KCl (74.6 g/mol) to a volume of 1 L. What is the molarity of this solution? 2. You prepare a solution by dissolving 20 g of NaCl to a volume of 350 mL in water. What is the mass/volume % concentration of this solution? 3. When the following reaction goes in the forward direction, what is the base? 4. You are preparing a buffered solution. So far, your solution contains H2PO4- ions, what would you add to this solution to prepare your buffer sy...

ACH3701 Final Exam (DETAILED ANSWERS) 2024 (OCTOBER/NOVEMBER) 100% TRUSTED workings, explanations and solutions. For assistance call or us on +/ 2/ 5/ 4 /7 /7 /9 /5 /4 /0 /1 /3 /2 . QUESTION 1 [25] ACH3701 OCTOBER/NOVEMBER 2024 2 1.1 Give 3 types of fuels and their explanations. (6) 1.2 Mention 5 fuel sources and example of industries that consume the technology in south Africa. (5) 1.3 Define the law of conservation and make two examples. (4) 1.4 Define Heat in thermodynamics a...

AQA GCSE COMBINED SCIENCE: TRILOGY 8464/C/1H Higher Tier Chemistry Paper 1H Question Paper + Mark scheme [MERGED] June 2022 *junc1H01* IB/M/Jun22/E10 8464/C/1H For Examiner’s Use Question Mark 1 2 3 4 5 6 7 TOTAL Time allowed: 1 hour 15 minutes Materials For this paper you must have: • a ruler • a scientific calculator • the periodic table (enclosed). Instructions • Use black ink or black ball-point pen. • Pencil should only be used for drawing. • Fill ...

ACH3701 ASSIGNMENT 2 2023 100% TRUSTED workings, explanations and solutions. For assistance call or whatsapp us on +25477 954 0132 . Assignment due date: 2023 Assignment unique number: 1. Estimate the solubility of calcium carbonate at 25oC in the presence of 0.09M CaCl2(aq). [7] 2. Will BaSO4 precipitate from a solution containing 1.5 x10-4 M Ba+2, barium ion, if enough soluble salt, Na2SO4, is added to make the solution 2.5 x10-4 M in SO4 -2? [7] 3. Describe oxidation reaction and use a...

AQA GCSE COMBINED SCIENCE: TRILOGY 8464/C/1H Higher Tier Chemistry Paper 1H Question Paper + Mark scheme [MERGED] June 2022 *junc1H01* IB/M/Jun22/E10 8464/C/1H For Examiner’s Use Question Mark 1 2 3 4 5 6 7 TOTAL Time allowed: 1 hour 15 minutes Materials For this paper you must have: • a ruler • a scientific calculator • the periodic table (enclosed). Instructions • Use black ink or black ball-point pen. • Pencil should only be used for drawing. • Fill ...

Periods - Answer-left to right-gradual change Groups - Answer-up and down-super similar Alkali Metals - Answer-Group 1: Very reactive with H2O Usually only form one bond Alkaline-Earth Metals - Answer-Group 2: More stable than group 1 usually form 2 bonds Transition Metals - Answer-Group 3B-2B: Can make any number of bonds Bond like Group 1 & Group 2 Halogens - Answer-Group 7: Can only make one bond Noble Gases - Answer-Group 8: Nonreactive and can't make bonds Atomic Status - Answer-...

AQA GCSE CHEMISTRY 8462/1F Paper 1 Foundation Tier Version: 1.0 Final *JUN2384621F01* IB/M/Jun23/E11 8462/1F For Examiner’s Use Question Mark 1 2 3 4 5 6 7 8 9 10 11 TOTAL Monday 22 May 2023 Morning Time allowed: 1 hour 45 minutes Materials For this paper you must have: • a ruler • a scientific calculator • the periodic table (enclosed). Instructions • Use black ink or black ball-point pen. • Pencil should only be used for drawing. • Fill in the box...

AQA GCSE CHEMISTRY 8462/1F Paper 1 Foundation Tier Version: 1.0 Final *JUN2384621F01* IB/M/Jun23/E11 8462/1F For Examiner’s Use Question Mark 1 2 3 4 5 6 7 8 9 10 11 TOTAL Monday 22 May 2023 Morning Time allowed: 1 hour 45 minutes Materials For this paper you must have: • a ruler • a scientific calculator • the periodic table (enclosed). Instructions • Use black ink or black ball-point pen. • Pencil should only be used for drawing. • Fill in the box...

SO4001 FINAL EXAM WITH 200 QUESTIONS AND ANSWERS ...