specific heat of solids 1. Introduction Heat capacity of a body is the quantity of heat required to raise the temperature of the body by 1oC. The specific heat of a substance is the heat capacity per unit mass. Thus‚ heat capacity = mass x specific heat. The specific heat is essentially a measure of how thermally insensitive a substance is to the addition of energy. Heat and temperature are really different quantities. Heat is a quantity of thermal energy‚ while temperature determines the
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patient harm. Valerie J. Gooder Ph.D.‚ RN reports that the Institute of Medicine in 1999 reported that “nearly a million patients each year are injured in hospitals in the United States due to error. Medication errors occur more often than other categories of preventable errors (19%)‚ and most medication errors occurred during medication administration (34%) where they were more likely to directly impact the patient and cause harm.” (Gooder‚ 2011). Not long after looking at these percentages was the
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the purer the sample is. Since many compounds have similar melting points‚ a mixed melting point can be taken by mixing samples of the unknown with an authentic sample of the known compound and taken the melting point of the mixture. In this experiment‚ unknown #26 had a melting range of 154°-155°C. After looking at known melting points‚ we expected the unknown to be citric acid. While determining the melting point of the authentic citric acid sample‚ we got a melting range of 153°-160°C. The
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References: http://www.zenithinternational.com/articles/1012 www.zenithinternational.com/assets/images/pressreleases/GED_Charts_Page_1.jpg www.zenithinternational.com/assets/images/pressreleases/GED_Charts_Page_2.jpg http://news.bbc.co.uk/1/hi/health/1133348.stm Appendix A Appendix B
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with almost 15 million people" – I’d correct immediately: “The largest city”. This mistake is more related to false cognate usage. • (During a group class activity you hear:) "She leaves in a small house in town." – I’d write this sentence with the error on the board and after the exercise I’d ask to correct. “She lives in a small house in town.” This mistake is more related to L1 pronunciation. • During a debate you hear:) "He can´t play football because of his damaged leg." I’d wait until after
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Errors and Compliance in Coding Lisa rosier HCR/220 August 20‚ 2010 Linda Murray Errors and Compliance in Coding Billing and coding is very important in medical facilities‚ not only to the facility but also the patients and their insurance carriers. Sometimes‚ mistakes are made during this process that can cause delay in payment or denial of a claim. One mistake made in coding is assumption coding.
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Week #7 Chapter 10 Static and Current Electricity Exercises (p.221) 6. Strictly speaking‚ will a penny be slightly more massive if it has a negative charge or a positive charge? Explain. A negative charge because when it is negatively charged electrons are added to the penny. 17. What is the voltage at the location of a 0.0001 C charge that has an electric potential energy of 0.5 J (both voltage and potential relative to the same reference point)? Potential = energy Charge = 0.5 J / 0.0001
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1. Properties of light Reflection The speed of light is measured through the equation: v = λ f. However‚ it turns out that when light is reflected off a surface its speed stays the same. This was first proven by Sir Isaac Newton. Under the assumption of perfectly elastic collision‚ the laws of reflection follow from the laws of motion. To demonstrate‚ consider a particle traveling towards a flat frictionless surface whose horizontal and vertical velocity components are: VX and VY. When the particle
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Experiment 3 Method of Flow Measurement Objective To demonstrate typical flow measurement devices for incompressible fluids: (1) venturi meter‚ (2) orifice plate and (3) rotameter. To compare the difference in flow rate incurred by each of these device. Overview In engineering and industrial practice‚ fluid measurement of many of the variables and properties‚ such as density‚ viscosity‚ pressure‚ velocity‚ flow rate and etc is one of the problems most frequently encountered by engineers
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the period is the reciprocal of the frequency. We will calculate the frequency using formula Frequency(f)=number of dots/ time‚ and then calculate the period using formula Period(T)= per unit time/ frequency. Procedure: 1. Follow instructions and assemble the apparatus. 1. Put a carbon paper disc which is carbon-side-up on the fix shaft between the gates. 2. Place a short strip of timer tape in the recording timer over the paper disc. 3. Make sure the tape is threaded through the gates and
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