Periodic table - Study guides, Class notes & Summaries

CHEM 121 Final Exam Questions and Answers – Portage Learning. Do the three conversions shown below, showing all work: 1. 328 K = ? oC 2. 76oC = ? oF 3. 135oF = ? K Your Answer: 1 - 328 - 273 = 55 C 2 - (76x 1.8) + 32 = 168.8 F 3 - (135 - 32) / 1.8 = 57.2 C + 273 = 330.2 K 1. 328K - 273 = 55 oC K → oC(make smaller) -273 2. 76oC x 1.8 + 32 = 168.8 oF C → o oF (make larger) x 1.8 + 32 3. 135oF - 32 ÷ 1.8 = 57.2 + 273 = 330.2 K oF → oC →K Question 2 Not yet graded / 10...

Well-structured FAC1602 Assignment 2 (ANSWERS) Semester 2 2024 - DISTINCTION GUARANTEED. (DETAILED ANSWERS - DISTINCTION GUARANTEED!)..... Trading under the name Lehumo Bricks, Refentse and Boitshepo are partners in this brick manufacturing company. Over the years, Lehumo Bricks has established itself as a reputable supplier of high-quality bricks used in various construction projects, from residential homes to large commercial buildings. The business has been profi table, with Refentse and ...

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 = smaller than 1, move decimal 5 places = 0. Question 2 Click this link to access the Periodic Table. This may be helpful throughout the exam. ...

This is the original question paper for the OCR A-level Chemistry A Paper 1- Periodic table, elements and physical chemistry 2024

FAC1501 ASSESSMENT 8 SEMESTER 1 2024 Mapungubwe Traders primary business is to buy and sell battery back-up systems and other items to be used during load shedding. Mapungubwe Traders is NOT a registered VAT vendor and applies the principles of the periodic inventory system. On 1 April 2022, Mapungubwe Traders purchased small solar lighting systems from a supplier (registered VAT vendor) to the amount of R13 900 (VAT inclusive) and paid with and electronic funds transfer. Required a. Re...

This document contains workings, explanations and solutions to the FAC1601 Assignment 2 (QUALITY ANSWERS) Semester 2 2024. For assistance whats-app us on 0.6.8..8.1.2..0.9.3.4.. Trading under the name Lehumo Bricks, Refentse and Boitshepo are partners in this brick manufacturing company. Over the years, Lehumo Bricks has established itself as a reputable supplier of high-quality bricks used in various construction projects, from residential homes to large commercial buildings. The business ha...

Show the determination of the charge on the ion formed by the Mg12 atom. Mg has a +2 charge S 2S 2P 3S also you can just look at the periodic table and see that it is in collumn 2 on the left side and would know that it has a +2 charge because the 2 columns on the left are + this is day 1 chem 101 knowledge 12 2 2 6 2 Mg (metal = lose electrons) 1s 2s 2p 3s lose 2e → Mg 12 2 2 6 2 +2 Ques 10 / 10 pts tion 2

Introduction to Chemistry, 5e (Bauer) Chapter 3 Chemical Compounds 1) The figure shows all but which of the following? 1. A) two elements and a compound 2. B) a chemical reaction 3. C) one mixture and one pure substance 4. D) three compounds Answer: D Difficulty: 1 Easy Topic: Study of Chemistry Bloom’s: 2. Understand Gradable: automatic Subtopic: Classification and States of Matter; Properties of Matter Accessibility: Keyboard Navigation 2) Which of the substances shown in the figure is an io...