NAME DATE LAB PARTNER . EXPERIMENT 7 뎐 OBJECT The object of this experiment is to...
PRE-LAB QUESTIONS: Name: Date: Partner's Name: 1) A 19.29 g of unknown metal is heated to 99.7 "C in a hot water bath. The quickly transferred to a calorimeter containing 500 ml of water at 23 The temperature for the mi (Density of water 1.0 g/mL) metal sample is final maximum xture, from the graph, is 26.4 °C. What is the specific heat of the metal? 2) During the experiment (finding specific heat of unknown metal), when hot metal is...
Calorimetry Materials: Styrofoam cup & lid Digital thermometer Metal sample Graduated cylinder Beaker Test tube with stopper Heating setup for beaker Behind a calorimetry experiment is the known occurrence of heat flow from a warm object to a cooler object. Heat scales with the amount of matter and also depends on the resistance of an object to change temperature. Temperature is just the average of the amount of energy contained inside a given area. Heat is represented by the letter...
i need help on questions 1-5 EXPERIMENT 2 Each person in the lab group should read each measurement and record it in this table to reduce errors t 1 Lab Partner 1 57.7 27.4 24.2 9 242 Partner 121. 100.59 Lab 23.9 1116 2 5 7 Lab Partner 3 57 Average Metal hot lost final T. gained Cup+ Stirrer Ti cold Water % Error QUESTIONS What would be the effect on your calculation of co if there was heat lost...
Name: Date: Section Group: Instructor Data GUAR Copper Mass of copper metal Mass of dry calorimeter Mass of calorimeter + water Mass of water Trial 1 Trial 2 a 0.26 9 34.559 39.80 9 39.05 g 73.82.9 82.19 34.56 9 40.91 . 25.1 °C 24.0°C 101.0°C 100.0 °C 28.9.0 29.5 °C 28.9°C 29.c Water temperature - initial Copper temperature (hot) - initial Water Temperature - final Copper Temperature - final Unknown Trial 1 Trial 2 Mass of unknown sample Mass...
1. An unknown sample is being evaluated in lab. What is the specific heat of the compound if it requires 105.06 J to raise the temperature of 51.68 grams of the unknown from 15.25 °C to 22.9 °C. 2. A 25.00 gram sample of an unknown metal initially at 99.0 degrees Celsius is added to 50.00 grams of water initially at 5.94 degrees Celsius. The final temperature of the system is 20.15 degrees Celsius. Calculate the specific heat of the...
1. An unknown sample is being evaluated in lab. What is the specific heat of the compound if it requires 105.06 J to raise the temperature of 51.68 grams of the unknown from 15.25 °C to 22.9 °C. 2. A 25.00 gram sample of an unknown metal initially at 99.0 degrees Celsius is added to 50.00 grams of water initially at 5.94 degrees Celsius. The final temperature of the system is 20.15 degrees Celsius. Calculate the specific heat of the...
E AFTER COMPLETING LAB. ANSWER IN SPACE PROVIDED. Suppose the heat of neutralization had been determined using a glass beaker instead of a polystyrene coffee cup How would the measured value have been affected? The heat of combustion of octane, C,H,. can be measured in a way similar to the method youC used to measure the heat of neutralization. The bomb calorimeter is used instead of a coffee cup. The reaction is 2C,H,1)+ 25 O, (g) 16 CO, (g) +...
9 Pre-Lab Questions 1. Why can you use a calorimeter to study the exchange of heat? EXPERIMENT A calorimeier is a device u s eol to measure hot of roactisn th lainer wn th vr meni o insulated wall's to prevent hret exchange he enviran 2. Why is specific heat an intensive property? energy at o particular temperature 'is the some Its 9uanhhy towhich no physical alimen sian is agsian eof Nomaler heuw mach alaminunh, Is abiliy to aborb heat...
Please help with completing lab with the following measurements. Thank you. Final Temperature of water is 28 C Mass (9) Water 200 Metal Ball 60 Initial Temperature (°C) Final Temperature (°C) 21 81 21 cusing T-1 cusing T cusing T+1 Lab 9: Specific Heat In this lab, you will measure the specific heat of the metal ball in your kit. To do this, you will heat it up to nearly 100°C and then submerge it in room temperature water. After...
Lab 14 Heat of Reaction Objective: To experimentally determine the heat of reaction for two exothermic reactions. Consider the following equations. (1) Mg(s) + 2HCI → MgCl2(aq) + H2(g) Hz(8) AH = ? (2) MgO(s) + 2HCl(aq) → MgCl(aq) + HOH (1) AH2 = ? The reactions represented by equations (1) and (2) will be our experimental work for today. Background: The heat given off or gained in a reaction is commonly called the heat of reaction. A reaction that...