2023 chem - Study guides, Class notes & Summaries

AQA AS LEVEL JUNE 2023 CHEMISTRY PAPER 1

Well-structured MNG2602 Assignment 1 (ANSWERS) Semester 2 2024 - DISTINCTION GUARANTEED. (DETAILED ANSWERS - DISTINCTION GUARANTEED!)..... Question 1 Consider the “human capital” highlights for 2023 presented on page 6 of the IAR. Which two sources of diversity are evident in this section? (2 marks) Question 2 Consider the Dis-Chem brand in the group profile on page 8 of the IAR. Identify and explain (theoretically) the corporate-level strategy that the Dis-Chem group is following with t...

2 OCR 2023 SECTION A You should spend a maximum of 25 minutes on this section. Write your answer to each question in the box provided. 1 Which statement explains the trend in boiling points down the halogens group? A Covalent bonds become stronger. B Induced dipole–dipole interactions (London forces) become stronger. C Ionic bonds become stronger. D Permanent dipole–dipole interactions become stronger. Your answer [1] 2 A hydrocarbon contains 85.71% carbon by mass. What is the em...

EDEXCEL A LEVEL 2023 CHEMISTRY 9CHO A LEVEL JUNE 2023 PAPER 2 ADVANCED ORGANIC AND PHYSICAL CHEMISTRY

1. Convert 1005.3 to exponential form and explain your answer. 2. Convert 4.87 x 10-6 to ordinary form and explain your answer. Answer: 1. Convert 1005.3 = larger than 1 = positive exponent, move decimal 3 places = 1.0053 x 103 2. Convert 4.87 x 10-6 =negative exponent =smaller than 1, move decimal 6 places = 0. Question 2 Using the following information, do the conversions shown below, showing all work: 2023 Portage Learning CHEM 103 Exam 1-6 Final LATEST Exam 1-6 1 ft = 12 inche...

2 OCR 2023 Section A You should spend a maximum of 20 minutes on this section. Write your answer to each question in the box provided. 1 Which compound is used for proton exchange in NMR spectroscopy? A CCl 4 B CDCl 3 C D2O D Si(CH3 ) 4 Your answer [1] 2 Which compound reacts with 2,4-dinitrophenylhydrazine but does not react with Tollens’ reagent? A C6H5COCOOH B C6H5CH(OH)CHO C CH3COCHO D CH3CH2CH(OH)CH3 Your answer [1] 3 Propyne, CH3C≡CH, is a member of the alkynes ...

CHEM 104 Final Exam QUESTIONS & ANSWERS 2023 ( A+ GRADED 100% VERIFIED)