On a sunny day, the water in a swimming pool may warm up a degree or two while the concrete around the pool may become too hot to walk on in your bare feet.
This may seem strange because both the concrete and the water are being heated by the same source — the sun. This evidence suggests it takes more heat to raise the temperature of some substance than others.
This, in fact, is true: the amount of heat required to equally raise the temperature of equal masses of different substances depends on what the substances are. The amount of heat that is required to raise the temperature of one gram of a substance by one Celsius degree is called the specific heat capacity, or simply the specific heat, of that substance.
Water, for example, has a specific heat of 4. Other substances, as well as other phases of the same substance, have different specific heats.
The Specific Heat of a Metal Lab
This value is high in comparison with the specific heats for other materials such as concrete. In this experiment you will use a simple calorimeter and your knowledge of the specific heat of water to determine the specific heat of an unknown metal. Using this equation in conjunction with the equation above, you will be able to determine the specific heat of the unknown metal.
Furthermore, since specific heat is a characteristic of a given substance, you will be able to use the value of the specific heat to identify the identity of the metal. MATERIALS LabPro system 1 styrofoam cup TI graphing calculator 1 ring stand temperature probe 1 ring support link cable 1 Bunsen burner 1 - mL beaker 1 striker 1 - mL beaker 1 wire gauze 1 - mL graduated cylinder 1 pair of crucible tongs 1 thermometer cylinder of metal 1 large test tube water 1 utility test tube clamp.
Heat mL of water in a mL beaker on a hot plate until it is boiling gently. While the water is heating, determine the mass of a clean, dry cylinder of metal. Be sure to record the identity of the metal. Gently transfer the cylinder to a large, dry test tube.
Use the test tube clamp to suspend the test tube in the boiling water. The cylinder should be below the level of the water in the beaker. Leave the test tube in the water bath for at least 15 minutes. Place a thermometer into the test tube with the cylinder. Meanwhile, proceed with steps While the cylinder is heating, measure 50 mL of distilled water in a graduated cylinder.
Record the exact value to the maximum precision available. Pour the water into a styrofoam cup and place the cup in a mL beaker for support as shown in Figure 1.How to Calculate the Specific Heat Capacity of an Unknown Metal through Calorimetry
Use the link cable to connect the TI Graphing Calculator to the interface. Firmly press in the cable ends. You are now at the main screen of the program.
Set up the calculator and interface for the Temperature Probe. If it does not, continue with this step to set up your sensor manually. Set up the data-collection mode.
The length of the data collection will be 4 minutes.Jornadas de español en palermo
Select OK to return to the setup screen. Select OK again to return to the main screen. Lower the temperature probe into the water in the styrofoam cup. After the cylinder has heated for about 15 minutes, measure the temperature in the test tube with the thermometer Ti metal.In this lesson students design a lab to determine the identity of an unknown metal through using specific heat calculations.
This lesson builds on the previous lessons in the unit where students have already learned about specific heat capacity and have performed several calorimetry experiments including finding the heat of fusion of ice, the calories in a Cheeto, the calories of food virtuallyand the heat capacity of various substances virtually.
I begin the lesson by having students take several minutes to read over the specific heat of a metal lab paper to themselves. As students perform the lab I walk around to make sure that students are on task, help with questions, and review several parts of the lab that confuse students. From grading the labs I found that the hardest struggle for students was being complete with writing their procedures and correctly plugging in their values for the analysis section.
Empty Layer. Home Professional Learning. Professional Learning. Learn more about. Sign Up Log In. High School Chemistry Rachel Meisner. Student will be able to identify an unknown metal through performing an experiment to gather necessary specific heat data.
Big Idea The specific heat of a substance is unique and allows scientists to determine the substance's identity. Lesson Author. Grade Level. Exothermic Reactions. HS-PS Create a computational model to calculate the change in the energy of one component in a system when the change in energy of the other component s and energy flows in and out of the system are known. SP3 Planning and carrying out investigations. It does so because students use the specific heat equation to calculate the specific heat of an unknown metal.
It does so because students are thinking about specific heat and how energy is transferred between systems. This lesson aligns with the NGSS Science and Engineering Practice 3: Planning and Carrying Out Investigations: It does so because students come up with their own procedures for planning the lab and then carrying out the lab to gather the necessary data.
Explain 10 minutes. After several minutes I get students' attention and review the lab with them. I ask students what the goal of the lab is and call on a student to share out.
I then show students examples of the metals and tell them that this is similar to what they did in Unit 1 where they identified an unknown metal using density see my lesson Density Part II and Reviewbut this time they will be using specific heat.
I explain to students that they will be using calorimetry similar to the labs that they previously did in the unit to come up with their own procedures to perform this lab. I then point out the equations that students will be using to find specific heat capacity.
I tell students that they will be coming up with their own procedures and to make sure that they are written so that somebody else could read through them and perform the lab. I point out that the five measurements indicated on the paper should be able to be found when following their written procedures.If we can't tunnel through the Earth, how do we know what's at its center? A lady introduce her husband's name with saying by which can stop or move train what is that name.
Give points yo advocate thst biology is linked with physics chemistry mathsmatics geography. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Multiply.
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Help with Specific heat lab?
Unanswered Questions. Wiki User The value of the specific heat of a metal depends on the kind of metal, as of any other material it is a specific physical property. Some examples: Iron Fe Accompanied by the term ' specific ' it it expressed as heat capacity per amount mole or mass of the considered substance J. Lithium is the metal that has the highest specific heat capacity.
Asked in Science, Chemistry It takes To compute the specific heat for the metal you need the change in temperature and the mass of the metal. The specific heat of the metal is therefore Asked in Physics, Chemistry The specific heat of which metal is 0. The solid with a specific heat of 0. Asked in Chemistry, Elements and Compounds Which metal has the lowest specific heat capacity? Gold has the lowest specific heat capacity. Asked in Chemistry Describe how you could determine the specific heat of a metal?
Measure the temperature of a sample of metal. Heat it in a degree Celsius bath and then put into a Styrofoam cup of water. Wait for the temperature to reach equilibrium and record the change in the water's temperature. Knowing the specific heat of water, the specific heat of the metal is easily found.
Specific Heat Of A Metal
Asked in Science Why metal feels cold but wood warm? The answer lies in a property called "specific heat". Specific heat describes the amount of energy needed to raise a material's temperature by one degree.
Metal has a low specific heat, so it warms up fast and cools fast. Wood has a higher specific heat, so these processes are slower. Asked in Atomic Mass What type of relationship is there between the specific heat of a metal and its atomic mass? As atomic mass increases, specific heat capacity decreases. Asked in Metal and Alloys What is the specific heat of aluminium metal?
The specific heat of aluminum is 0. The specific heat of water is high. An example of an object with low specific heat would be a metal pan. Since specific heat is the energy needed to raise 1g of something 1 degree Celsius, water would have a high specific heat. Asked in Science, Physics, Chemistry If a student was transferring metal to a calorimeter and water splashes out will it affect the specific heat of the metal?
Asked in Physics, Chemistry Why is measured amount of water is needed to determine the specific heat of a metal object? Asked in Chemistry What metal has a specific heat of 0.Tasha, United States Iceland Full Circle, October 2012 It was a great trip.
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Otherwise, we'll assume you are OK to continue. MenuESPN All cricket scores, fixtures and results here. After a doubt over some paperwork was resolved, Neymar will make his debut for Paris Saint-Germain as the well-fancied title favourites make the trip to Guingamp on Sunday night. While the Premier Legaue may be getting underway over the coming days, there are few doubts that a large section of the world's footballing media will be focused on this Ligue 1 clash.
Geo-blocking restrictions apply in some countries though. There is no need to place a bet on this game specifically, as long as the account is funded and active, then you'll be able to see the action unfolding as Umai Emery's side take to the field. To check if the game is available in your region, simply log in and click on "Live Streaming", this will bring up a schedule of all the available events.
Of course many punters will want to see what price they can get on the 25-year-old Brazilian making an immediate impact.
Think he's set for a dream debut. It's seemingly a two horse race at the top of the Ligue 1 scoring charts too, with the bookmaker unable to split Neymar and team mate Edinson Cavani at this point. Don't forget, if you want to watch Neymar's debut then bet365's live streaming offers a fantastic option to tune into the action on a range of devices. Will it be a dream debut for Neymar at PSG. CARTOON: Time for Suarez to step aside. Watch it live with bet365.
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To ensure all of our online casino reviews are as comprehensive and informative as possible, we like to focus on a range of different areas.Boxing matches often feature money line proposition wagers on knockouts, draws, rounds and the duration of the fight.
Odds vary on each fight. To bet on football, tell the ticket writer the bet number of the team you wish to bet, with the point spread and the amount you wish to wager. The point spread: When betting on football, the team you bet on must "cover the spread. If you bet the Dolphins, the Dolphins must win by 7 points for you to win your bet. If you bet the Jets, any of the following will declare you a winner. The listed point spread at the time you make your bet may be different from the point spread when the game starts.
In some cases, bettors have the option to discard the point spread and bet on which team will win. You may combine several teams into one wager.
Sports books offer a number of different cards, each one having different rules. Rules for parlay cards are placed on the back of each card. Read them carefully before wagering. The cards are simple to fill out.
Simply darken the boxes, or circles, that apply to the teams you wish to parlay. Then darken the amount you want to bet. The following are approximate odds:Sports books offer bettors the opportunity to wager on the outcome of a season -- for example, which team will win the Super Bowl or the Stanley Cup or the American League East pennant. This is known as "futures book" or "future book" betting. As an illustration, let's look at Super Bowl futures.
Sports books list each NFL team with corresponding odds to win the Super Bowl. For example, the Ravens may be 5-1, the Redskins 12-1, the Cardinals 100-1, etc.
It does not matter whether your team covers the point spread in the Super Bowl. For the purposes of future book betting, the team has to win only the Super Bowl.
When you make a futures bet, your odds are "locked in. Futures betting also is offered on the major events in horse racing, such as the Kentucky Derby and Breeders' Cup.
In horse racing futures, if your horse does not start the race due to injury or any other reason, you lose the bet -- there are no refunds. On the other hand, the odds on your horse racing futures bet also are "locked in," regardless of the horse's odds on race day.The Pelicans rank 12th in three pointers attempted per game (30.
Sacramento ranks third in points off turnovers allowed per game (15. The Kings rank 10th in steals per game (8. New Orleans ranks second in points in the paint per game (51.
The Kings rank 12th in fast break points allowed per game (10. New Orleans averages 12. Sacramento ranks 15th in second chance points allowed per game (12. During their last five games, the Pelicans have scored an average of 114. Tags New Orleans Pelicans Sacramento KingsThe Creighton Bluejays (6-2) matchup against the Nebraska Cornhuskers (7-3) at CenturyLink Center Omaha on Saturday night.
The Oklahoma State Cowboys (7-1) welcome the No. ET on Friday, December 8 on NBC Sacramento Kings vs. At home, New Orleans is 6-6 ATS with 7 overs and 5 unders. Sacramento is 3-2 when they allow below 100 points, while New Orleans is 4-0.
When scoring over 100 points, the Kings are 4-4 and the Pelicans are 11-7. New Orleans ranks 14th in rebounds per game (44. The Kings rank fifth in blocks allowed per game (4.Pdf of grade 7
Bettings Trends: In their last five games, Sacramento is 3-1-1 ATS with 4 overs and 1 under. New Orleans is 2-3 ATS with 5 overs over their last five games. About the Author Latest PostsMiami Heat vs. Wichita State Shockers vs. The game starts at 7 p. ET on Friday, December 8, 2017, and will air on NBC Sports Chicago.
Specific Heat of a Metal Lab
The Bulls are hoping for a better outcome after their 98-96 loss to the Indiana Pacers in their last matchup. The Pacers had a rate of 12. Kris Dunn led Chicago in scoring with 18 points on 8-for-14 shooting. The Warriors had a rate of 0. Charlotte should be expected to protect the ball well in this contest. Charlotte ranks first in the league at avoiding errors (turnover percentage of 13. Moreover, the Bulls rank 24th in offensive rebounding percentage (20. Chicago holds records of 3-20 straight up (SU) and 9-11-3 against the spread (ATS).
Meanwhile, Charlotte is 9-14 SU and 10-12-1 ATS. Coinciding with Chicago, a little over half of Hornets games have finished under the total. This will be the second game of the season between these two teams. In the first, the Hornets lost 123-120, unable to cover as 6.
Walker scored a game-high 47 points and also had six rebounds and five assists. The game finished with a total of 243 points, which was 44.
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