Chemistry 103 lab 3 exam Study guides, Class notes & Summaries

CHEM MISC General Chemistry I Spring 2020 – Exam 3 Version A Questions and Answers Instructions: 1. Do NOT open this exam until you are told to do so. Opening the exam before the start of the exam is considered an act of Academic Dishonesty. 2. All answers must be bubbled into the scantron answer sheet. 3. No credit will be given for answers written on this exam. 4. You must use a #2 pencil to bubble in the answers on your scantron. 5. This is a multiple-choice exam consisting of 31 ...

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,...

NHA Phlebotomy certification EXAM LATEST UPDATE 2023/2024 1. 1. What temperature should a semen sample be transported?: 36-38 degrees C 2. 2. Which of the following would result in a grossly hemolyzed specimen? a. Incorrect order of draw b. Incorrect needle gauge c. Applying tourniquet too close to the draw site d. Failure to invert tube: b. Incorrect needle gauge 3. 3. Which of the following is proper procedure after collecting ammonia specimen? a. Protect from light b. Keep spe...

1. Which information is not required for an x-ray log? a. Patient address b. Patient name c. X-ray position d. Body measurements 2. A 7 week old Labrador is coming to the clinic because of vomiting and diarrhea. Upon arrival where should the dog wait for its appointment? a. ICU b. Designated exam room c. Front lobby d. Treatment room 3. A Chihuahua needs a nail trim. Which type of appointment is most appropriate? a. Drop off b. Boarding c. Technician/Assistant d. Surgical 4. ...

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.

CEN Exam 1 Exam Questions With Detailed & Verified Answer 2024 Which dysrhythmia would be identified on an ECG/EKG six-second strip by a heart rate of 76 and a PR interval of 0.24? tachycardia -degree atrioventricular block bradycardia ional escape rhythm Correct Answer: B: First-degree atrioventricular block is diagnosed partially by an EKG showing a PR interval of greater than 0.20 seconds. Which blood test may indicate infection or inflammation and would need to be used as part ...

1. Which information is not required for an x-ray log? a. Patient address b. Patient name c. X-ray position d. Body measurements 2. A 7 week old Labrador is coming to the clinic because of vomiting and diarrhea. Upon arrival where should the dog wait for its appointment? a. ICU b. Designated exam room c. Front lobby d. Treatment room 3. A Chihuahua needs a nail trim. Which type of appointment is most appropriate? a. Drop off b. Boarding c. Technician/Assistant d. Surgical 4. ...

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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