Description
Mercury is poured into a U-tube as shown in Figure a. The left arm of the tube has cross-sectional area A1 of 10.9 cm2, and the right arm has a cross-sectional area A2 of 4.70 cm2. Two hundred grams of water are then poured into the right arm as shown in Figure b.
(a) Determine the length of the water column in the right arm of the U-tube.
cm
(b) Given that the density of mercury is 13.6 g/cm3, what distance h does the mercury rise in the left arm?
cm
cm
(b) Given that the density of mercury is 13.6 g/cm3, what distance h does the mercury rise in the left arm?
cm
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Explanation & Answer
Thank you for the opportunity to help you with your question!
a) 200g = 200cc. volume, so height of water column = (200/4.7) = 42.6 cm. (density water = 1g/cc)
b) 200g. of mercury will be displaced. Its volume = (200/13.6) = 14.7cc.
Height mercury rises = (14.7/10.9) = 1.349 cm
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As part of the annual review conducted by the safety and compliance department at your company, several situations were id ...
I need help with this question
As part of the annual review conducted by the safety and compliance department at your company, several situations were identified as potentially non-compliant.Here are some lab policy breaches that have occurred in a research lab:
taking the backup supply of a critical reagent without reporting to supply personnel
taking a careless approach to using radioactivity (or hazardous materials, including infectious materials)
improperly disposing of hazardous materials (e.g., dumping ethidium bromide solutions in sink)
wearing personal protective gloves, scrubs, or lab coat in the eating areas or bathrooms
using common equipment without adhering to sign-up procedures and not cleaning equipment or area when complete
These are just a few examples of behaviors that can result in lab conflicts. As an example of a possible resolution, when backup supplies of reagents are disappearing, it may become necessary to institute a system in which lab members do not have access to backup supplies, but have to tell a lab manager when they are running low on a reagent so that the lab manager can dispense from the backup and reorder.This assignment has two deliverables: Safety and Compliance Paper and Discussion PlannerSafety and Compliance PaperYou will prepare a Short Paper (A) and complete the Discussion Planner (B) document in response to a breach of lab policy regarding safety. Example breaches are provided or you may select your scenario based on readings or from experience.Post in your completed Paper and Discussion Planner in the corresponding assignment folder by the due date.Part A: In a 2-3 page double-spaced paper:
Select one of the situations listed above for lab policy breeches.
Identify the relevant areas of safety and the appropriate regulatory agencies that would apply to the working environment.
Identify the ways in which this lab does not comply with sound laboratory practices and safety regulations, and what steps would be necessary to bring the lab into compliance.
Describe your strategy to communicate with all laboratory personnel about any instances of noncompliance and the multi-pronged approach you will take to minimize the recurrence of such noncompliance
Part B: Discussion Planner about Non-compliant BehaviorNow that you have examined the safety regulations, you have working knowledge of the importance of compliance in the workplace. Use the background information from Part (A) to help you to complete the Discussion Planner form (see attachment) for the non-compliant behavior that was demonstrated by laboratory personnel. Submit the completed Discussion Planner in your assignment folder by the due date.Your grade will be based upon:Throughout the assignment proper use of grammar, spelling, punctuation, sentence and paragraph construction (10%),Part A Written Paper (40% of grade on assignment)
Identification and explanation of chosen (10%);
Explanation of lab compliance in the safety violation situation (10%);
Identification and explanation of agencies or regulatory organizations concerned for the lab (10%);
Clear description of an effective and appropriate communication strategy (10%)
Part B Discussion Planner (50% of grade on assignment)
Completed Discussion Planner form (5%);
Describe the purpose and importance in the discussion planner Approach (10%),
Provide clarification on the issues and concerns (10%),
Develop ideas for discussion and identify resources needed (10%),
Develop specific measurable actions and contingency plans (10%), and
Summarized the decisions outlined in the Discussion Planner (5%
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I need help with this question
As part of the annual review conducted by the safety and compliance department at your company, several situations were id ...
I need help with this question
As part of the annual review conducted by the safety and compliance department at your company, several situations were identified as potentially non-compliant.Here are some lab policy breaches that have occurred in a research lab:
taking the backup supply of a critical reagent without reporting to supply personnel
taking a careless approach to using radioactivity (or hazardous materials, including infectious materials)
improperly disposing of hazardous materials (e.g., dumping ethidium bromide solutions in sink)
wearing personal protective gloves, scrubs, or lab coat in the eating areas or bathrooms
using common equipment without adhering to sign-up procedures and not cleaning equipment or area when complete
These are just a few examples of behaviors that can result in lab conflicts. As an example of a possible resolution, when backup supplies of reagents are disappearing, it may become necessary to institute a system in which lab members do not have access to backup supplies, but have to tell a lab manager when they are running low on a reagent so that the lab manager can dispense from the backup and reorder.This assignment has two deliverables: Safety and Compliance Paper and Discussion PlannerSafety and Compliance PaperYou will prepare a Short Paper (A) and complete the Discussion Planner (B) document in response to a breach of lab policy regarding safety. Example breaches are provided or you may select your scenario based on readings or from experience.Post in your completed Paper and Discussion Planner in the corresponding assignment folder by the due date.Part A: In a 2-3 page double-spaced paper:
Select one of the situations listed above for lab policy breeches.
Identify the relevant areas of safety and the appropriate regulatory agencies that would apply to the working environment.
Identify the ways in which this lab does not comply with sound laboratory practices and safety regulations, and what steps would be necessary to bring the lab into compliance.
Describe your strategy to communicate with all laboratory personnel about any instances of noncompliance and the multi-pronged approach you will take to minimize the recurrence of such noncompliance
Part B: Discussion Planner about Non-compliant BehaviorNow that you have examined the safety regulations, you have working knowledge of the importance of compliance in the workplace. Use the background information from Part (A) to help you to complete the Discussion Planner form (see attachment) for the non-compliant behavior that was demonstrated by laboratory personnel. Submit the completed Discussion Planner in your assignment folder by the due date.Your grade will be based upon:Throughout the assignment proper use of grammar, spelling, punctuation, sentence and paragraph construction (10%),Part A Written Paper (40% of grade on assignment)
Identification and explanation of chosen (10%);
Explanation of lab compliance in the safety violation situation (10%);
Identification and explanation of agencies or regulatory organizations concerned for the lab (10%);
Clear description of an effective and appropriate communication strategy (10%)
Part B Discussion Planner (50% of grade on assignment)
Completed Discussion Planner form (5%);
Describe the purpose and importance in the discussion planner Approach (10%),
Provide clarification on the issues and concerns (10%),
Develop ideas for discussion and identify resources needed (10%),
Develop specific measurable actions and contingency plans (10%), and
Summarized the decisions outlined in the Discussion Planner (5%
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F
C
B
A
0
1
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Not Submitted
No Pass
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Not Submitted
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Student listed physics principals, including identification of a strong majority of elements, but explanation lacked detail.
Student correctly identified principles used in chosen profession with details.
Not Submitted
Student provided an incomplete explanation of how physical principles are applied.
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Student provided accurate explanation of how physics is applied in chosen profession.
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