Chem 1000 exam 1 - Study guides, Class notes & Summaries

CHEM 103 Exam 1-6 Combined with Final Exam 2023 Actual Questions and Answers 100%Correct. Exam 1-6 EXAM 1 Question 1 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 conver...

Chem Exam: Types of Calculation Questions & Answers 100% Verified Calorimetry Calculations: 1. 2.50 kJ of energy changes the temperature of a sample of lead by 8.52 degrees C. What is the mass of the sample? - ANS-Q = mcΔT m=Qc/Δt m = 2500/0.13(8.52) = 2.3×103 g 2. 950.3 J of energy is removed from 28.5 g of water at 80.3 degrees C. What is the final temperature? - ANS-Q = mcΔT −950.3 = 28.5(4.18)(T2 − 80.3) T2 = −950.3/(28.5)(4.18) + 80.3 = 72.3O C 3. A 30.56 g sample...

Chem 210 exam 1 100%Correct 1 calories - ANSWER4.184 joules 1kilogram - ANSWER1000 grams Specific heat - ANSWEREnergy required to raise temperature (j/g x change in temp) 1 regular calorie - ANSWER1 kilocalorie/ 1000 calories Group 1A - ANSWERAlkali metals Group 2A - ANSWERAlkaline metals Group 7A - ANSWERHalogens Group 8A - ANSWERNoble gases Group B - ANSWERTransition elements Nucleus composition - ANSWERProtons and nuetrons

CHEM 103 Exam 1-6 Combined with Final Exam 2023 Actual Questions and Answers 100%Correct. Exam 1-6 EXAM 1 Question 1 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 conver...

CHEM 103 Exam 1-6 Combined with Final Exam 2023 Actual Questions and Answers 100%Correct. Exam 1-6 EXAM 1 Question 1 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 conver...

Fire Officer I ACTUAL EXAM QUESTIONS AND ANSWERS LATEST (100% VERIFIED ANSWERS) What are the 5 types of building construction? - CORRECT ANSWER Type 1- fire resistive Type 2- non combustible Type 3- ordinary Type 4- heavy timber Type 5- wood frame -Type 1 and 2 are non combustible -Type 3, 4, and 5 are combustible Fire drills in schools - CORRECT ANSWER Done monthly, different times of day Rough drawing of building is called - CORRECT ANSWER Field sketch Microwave oven uses - CORREC...

CHEM 110 Final Exam Chemistry (2024/2025) Questions with Verified Answers. Part 1. The questions in this part to be answered on the scan sheet provided. Each question is worth one mark. Questions 1 and 2 refer to the following information: The concentration of gaseous nitrogen dioxide (NO2(g)) was measured as NO2(g) decomposes to form NO(g) and O2(g) according to the reaction: NO2(g) NO(g) + O2(g) The following plot of 1/[NO2] versus time is shown below and the line of best fit yielded a ...

2023 Portage Learning CHEM 103 Exam 1-6 Final LATEST Questions& Answers Exam 1-6 EXAM 1 Question 1 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 follo...

Docu PORTAGE LEARNING CHEM 103 MODULE 4EXAM 2023 WITH QUESTIONS AND CORRECT ANSWERS 100% PASS,PERIODIC TABLE IN THE LAST PAGE 2024ment title]MODULE 1 EXAM Convert 845.3 to exponential form and explain your answer. 1. 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 = 0.0000321 Question 2 ...

2023 Portage Learning CHEM 103 Exam 1-6 Final LATEST Question 1 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 L...