Chemistry 103 lab 3 exam Study guides, Class notes & Summaries
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NSG 6340 PREDICTOR STUDY GUIDE 2
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NSG 6340 PREDICTOR STUDY GUIDE 2 
1.	A 37-year-old female patient with a history of a single episode of depression and frequent complaints of PMS is being treated for hypothyroidism. Today she complains of poor concentration and fatigue. Initially, the NP should: 
a.	Question her further 
3.	Which of the following is an example of secondary prevention? 
a.	Annual influenza vaccination 
7.	A 35-year old female with a history of mitral valve prolapse is scheduled for routine dental cleaning. Accor...
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CHEM 103 Lab Exam 3 – Portage Learning
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CHEM 103 Lab Exam 3 – Portage Learning. A 1.1000 gram hydrate sample chosen from Na2CO3∙10H2O, AlCl3∙6H2O, 
MgCl2∙6H2O and BaCl2∙2H2O was heated and found to lose 0.5841 gram of H2O. (1) 
Show the calculation of the % H2O in the unknown hydrate sample. (2) Show the 
calculation of the % H2O in each of the hydrate compounds and identify the unknown 
hydrate from the list. 
Atomic weights: H = 1.008, O = 16.00. MWs: Na2CO3∙10H2O = 286.15, AlCl3∙6H2O = 
241.43, MgCl2∙6H2O = 203.301 ...
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Chem 103 portage learning Lab Exam 3
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Chem 103 portage learning Lab Exam 3
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CHEM 103 Module 2 Exam (Portage Learning)
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CHEM 103 Module 2 Exam (Portage Learning) Show the calculation of the molecular weight for the following 
compounds, reporting your answer to 2 places after the decimal. 
1. Al (SO ) 
2. C H NOBr 
2 4 3 
7 5 
1. Al (SO ) 
Al = 2 x 26.98 = 53.96 
S = 3 x 32.07 = 96.21 
O = 12 x 16.00 = 192 
2 4 3 
M2: Exam - Requires Respondus LockDown Browser + Webcam: General Chemistry I w/Lab-2021- Kozminski 
3/18 
Total Molecular Weight for Al (SO ) = 342.17 
2. C H NOBr 
C = 7 x 12.01 = 84.07 
H = 5 x 1.008 ...
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CHEM 103 Module 2 Exam (General Chemistry) – Portage Learning
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CHEM 103 Module 2 Exam (General Chemistry) – Portage Learning. Al (SO ) 
Al = 2 x 26.98 = 53.96 
S = 3 x 32.07 = 96.21 
O = 12 x 16.00 = 192 
2 4 3 
M2: Exam - Requires Respondus LockDown Browser + Webcam: General Chemistry I w/Lab-2021- Kozminski 
3/18 
Total Molecular Weight for Al (SO ) = 342.17 
2. C H NOBr 
C = 7 x 12.01 = 84.07 
H = 5 x 1.008 = 5.04 
N = 1 x 14.01 = 14.01 
O = 1 x 16.00 = 16.00 
Br = 1 x 79.90 = 79.90 
Total Molecule Weight for C H NOBr= 199.02
And that's how you make extra money
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CHEM 103 Module 2 Exam (General Chemistry) – Portage Learning
- Exam (elaborations) • 19 pages • 2023
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CHEM 103 Module 2 Exam (General Chemistry) – Portage Learning. Show the calculation of the molecular weight for the following 
compounds, reporting your answer to 2 places after the decimal. 
1. Al (SO ) 
2. C H NOBr 
2 4 3 
7 5 
1. Al (SO ) 
Al = 2 x 26.98 = 53.96 
S = 3 x 32.07 = 96.21 
O = 12 x 16.00 = 192 
2 4 3 
M2: Exam - Requires Respondus LockDown Browser + Webcam: General Chemistry I w/Lab-2021- Kozminski 
3/18 
Total Molecular Weight for Al (SO ) = 342.17 
2. C H NOBr 
C = 7 x 12.01 ...
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CHEM 103 Lab Exam 3 – Portage Learning
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CHEM 103 Lab Exam 3 – Portage Learning. A 1.1000 gram hydrate sample chosen from Na2CO3∙10H2O, AlCl3∙6H2O, 
MgCl2∙6H2O and BaCl2∙2H2O was heated and found to lose 0.5841 gram of H2O. (1) 
Show the calculation of the % H2O in the unknown hydrate sample. (2) Show the 
calculation of the % H2O in each of the hydrate compounds and identify the unknown 
hydrate from the list.
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CHEM 103 Lab Exam 3 Questions and Answers Latest 2023/2024 (Portage Learning)
- Exam (elaborations) • 3 pages • 2023
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The sample was coated with carbon in the SEM experiment. 
Answer the following question. 
A 1.1000 gram hydrate sample chosen from Na2CO3∙10H2O, AlCl3∙6H2O, 
MgCl2∙6H2O and BaCl2∙2H2O was heated and found to lose 0.5841 gram of H2O. (1) 
Show the calculation of the % H2O in the unknown hydrate sample. (2) Show the 
calculation of the % H2O in each of the hydrate compounds and identify the unknown 
hydrate from the list. 
Atomic weights: H = 1.008, O = 16.00. MWs: Na2CO3∙10H2O = 286.15,...
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ATLS Case Scenario 2023 CDEM Self Study Modules Approach to Trauma
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ATLS Case Scenario CDEM Self 
Study Modules Approach to Trauma 
APPROVED BY: 
 
DEM Curriculum 
Home The Approach To... Specific Diseases DIEM Cases Downloads ML's Blog 
The Approach to Trauma 
WRITTEN BY: NICHOLAS E. KMAN, MD 
THE OHIO STATE UNIVERSITY 
EDITED BY: DAVID MANTHEY, MD 
WAKE FOREST MEDICAL SCHOOL 
Trauma is the leading cause of death in the first four decades of life in most developed countries. To 
this end, there are more than 5 million trauma-related deaths each year worldwide....
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CHEM 103 Lab Exam 3 – Portage Learning
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CHEM 103 Lab Exam 3 – Portage Learning. Why was the crucible cooled in a desiccator? 
2. With what was the sample coated in the SEM experiment? 
1. The crucible cooled in a desiccator to prevent water from being picked up. 
2. The sample was coated with carbon in the SEM experiment. 
Answer the following question. 
A 1.1000 gram hydrate sample chosen from Na2CO3∙10H2O, AlCl3∙6H2O, 
MgCl2∙6H2O and BaCl2∙2H2O was heated and found to lose 0.5841 gram of H2O. (1) 
Show the calculation of t...
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