Chem 1000 exam 1 - Study guides, Class notes & Summaries
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CHEM 103 Exam 1-6 Combined with Final Exam 2023 Actual Questions and Answers 100%Correct.
- Exam (elaborations) • 44 pages • 2023
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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...
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Chem Exam: Types of Calculation Questions & Answers 100% Verified
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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...
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Chem 210 exam 1 100%Correct
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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
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CHEM 103 Exam 1-6 Combined with Final Exam 2023 Actual Questions and Answers 100%Correct.
- Exam (elaborations) • 44 pages • 2023
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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...
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CHEM 103 Exam 1-6 Combined with Final Exam 2023 Actual Questions and Answers 100%Correct.
- Exam (elaborations) • 44 pages • 2023
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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...
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Fire Officer I ACTUAL EXAM QUESTIONS AND ANSWERS LATEST 2024-2025 (100% VERIFIED ANSWERS)
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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...
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CHEM 110 Final Exam Chemistry (2024/2025) Questions with Verified Answers.
- Exam (elaborations) • 23 pages • 2024
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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 ...
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2023 Portage Learning CHEM 103 Exam 1-6 Final LATEST Questions& Answers
- Exam (elaborations) • 45 pages • 2023
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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...
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Docu PORTAGE LEARNING CHEM 103 MODULE 4EXAM 2023 WITH QUESTIONS AND CORRECT ANSWERS 100% PASS,PERIODIC TABLE IN THE LAST PAGE 2024ment title]
- Exam (elaborations) • 40 pages • 2024
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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	...
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2023 Portage Learning CHEM 103 Exam 1-6 Final LATEST
- Exam (elaborations) • 44 pages • 2023
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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...
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