A 10.95 g sample of lead at 88.0°C was placed into a styrofoam cup calorimeter which...
A 10.95 g sample of lead at 88.0°C was placed into a styrofoam cup calorimeter which contained 15 mL of water at 22.0°C. The final temperature in the calorimeter reached 23.5°C. Calculate the specific heat of lead. The specific heat of water is 4.184 J/g°C.
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A 10.95 g sample of lead at 88.0°C was placed into a styrofoam
cup calorimeter which...
2. A sample of lead is heated to 189.4°C. It is then placed in a cup...
2. A sample of lead is heated to 189.4°C. It is then placed in a cup containing 32.8 g water at 24.3°C. The final temperature of the water and lead is 29.6°C Calculate the mass of the sample of lead. The specific heat of water is 4.184 Jig C and the specific heat of lead is 0.130 J/g .
1 A173.0g lead ball at 155°C is dropped into a calorimeter cup containing 210 g of...
1 A173.0g lead ball at 155°C is dropped into a calorimeter cup containing 210 g of water at 16.0°c. After equilibrium is reached, the temperature of water is increased to 18.2°C. What is the heat capacity of calorimeter? Assume that calorimeter and water are initially at the same temperature. (Specific heat of water is 4186 J/kg. C and specific heat of lead is 128 J/kg.C) 2. An unknown metal sample of 54 g at 108°C is dropped into a calorimeter...
PART A: A student constructs a coffee cup calorimeter and places 50.0 mL of water into...
PART A: A student constructs a coffee cup calorimeter and places 50.0 mL of water into it. After a brief period of stabilization, the temperature of the water in calorimeter is determined to be 19.6 °C. To this is added 50.0 mL of water that was originally a temperature of 54.5 °C. A careful plot of the recorded temperature established T0 as 31.1 °C. What is the calorimeter constant (J/°C)? DensityH2O = 1.00 g/mL Specific HeatH2O = 4.184 J/g·°C PART...
A 69.62 g block of lead is heated to 99.48ºC and is placed into a coffee-cup...
A 69.62 g block of lead is heated to 99.48ºC and is placed into a coffee-cup calorimeter filled with 75.67 g of water initially at 22.07ºC. The final temperature was measured as 24.58ºC. The calorimeter heat capacity is 1.860 J/ºC and the specific heat of water is 4.184 J/ g ºC. Based on this information, what is the specific heat of lead? a.0.1473 J/ g ºC b.0.1481 J/ g ºC c.0.1523 J/ g ºC d.0.1533 J/ g ºC e.0.2109 J/...
4. You placed 43.1 g of an unknown metal at 100 °C into a coffee cup...
4. You placed 43.1 g of an unknown metal at 100 °C into a coffee cup calorimeter that contained 50.0 g of water that was initially at 22.0 °C. The equilibrium temperature of mixing (T0) was determined to be 23.7 °C. The calorimeter constant was known to be 51.5 J/°C. Specific HeatH2O = 4.184 J/g·°C a. What is the total amount of heat (J) lost by the metal? NG 1.5 b. What was the specific heat (J/g·°C) of the metal?...
A calorimeter contained 79.0 g of water at 15.75°C. A 120.-g sample of iron at 63.82°C...
A calorimeter contained 79.0 g of water at 15.75°C. A 120.-g sample of iron at 63.82°C was placed in it, giving a final temperature of 19.06°C for the system. Calculate the heat capacity of the calorimeter. Specific heats are 4.184 J/g·°C for and 0.444 J/g·°C for . Heat capacity of the calorimeter = ________J/°C
4. A styrofoam-cup calorimeter containing 150 g of water is calibrated by generating 1770 J of...
4. A styrofoam-cup calorimeter containing 150 g of water is calibrated by generating 1770 J of heat within it. The temperature increases by 1.67°C. What is the calorimeter constant Ccal (heat capacity of the calorimeter)? c(H20) = 4.184 Jg='K 5. A constant-pressure calorimeter, Where Ccal = 192 JK I. contains 100.0 mL of a 0.200 M aqueous solution of AgNO3. The temperature of the calorimeter and its contents is 22.30°C. Upon addition of 100.0 mL of 0.200 M solution of...
A 19 g sample of an alloy at 98.0°C is placed into 84.6 g of water at 22.0 °C in an insulated coffee cup with a heat cap...
A 19 g sample of an alloy at 98.0°C is placed into 84.6 g of water at 22.0 °C in an insulated coffee cup with a heat capacity of 9.2 J/K. If the final temperature of the system is 35.0°C, what is the specific heat capacity of the alloy in J/(g.K)? Don't include units. cH2O = 4.184 J/g.K
In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently use...
In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used to determine the specific heat of a solid, or to measure the energy of a solutiorn phase reaction. Thermometer Stirring rod A student heats 63.92 grams of iron to 98.03 °C and then drops it into a cup containing 75.92 grams of water at 24.47 °C. She measures the final temperature to be 30.66 °C The heat capacity of the calorimeter (sometimes referred to as the...
2. (15 pts) A 83.5 g sample of a metal alloy is heated to 88.1°C and...
2. (15 pts) A 83.5 g sample of a metal alloy is heated to 88.1°C and it is then placed in a coffee-cup calorimeter containing 30.0 g water at 15.0°C. The final temperature of the metal + water is 25.3 °C. Calculate the specific heat of metal alloy, in J/(g°C), assuming no heat escapes to the surroundings or is transferred to the calorimeter. The specific heat of water is 4.184 J/(g°C).
2. A sample of lead is heated to 189.4°C. It is then placed in a cup containing 32.8 g water at 24.3°C. The final temperature of the water and lead is 29.6°C Calculate the mass of the sample of lead. The specific heat of water is 4.184 Jig C and the specific heat of lead is 0.130 J/g .
1 A173.0g lead ball at 155°C is dropped into a calorimeter cup containing 210 g of water at 16.0°c. After equilibrium is reached, the temperature of water is increased to 18.2°C. What is the heat capacity of calorimeter? Assume that calorimeter and water are initially at the same temperature. (Specific heat of water is 4186 J/kg. C and specific heat of lead is 128 J/kg.C) 2. An unknown metal sample of 54 g at 108°C is dropped into a calorimeter...
4. A styrofoam-cup calorimeter containing 150 g of water is calibrated by generating 1770 J of heat within it. The temperature increases by 1.67°C. What is the calorimeter constant Ccal (heat capacity of the calorimeter)? c(H20) = 4.184 Jg='K 5. A constant-pressure calorimeter, Where Ccal = 192 JK I. contains 100.0 mL of a 0.200 M aqueous solution of AgNO3. The temperature of the calorimeter and its contents is 22.30°C. Upon addition of 100.0 mL of 0.200 M solution of...
In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used to determine the specific heat of a solid, or to measure the energy of a solutiorn phase reaction. Thermometer Stirring rod A student heats 63.92 grams of iron to 98.03 °C and then drops it into a cup containing 75.92 grams of water at 24.47 °C. She measures the final temperature to be 30.66 °C The heat capacity of the calorimeter (sometimes referred to as the...
2. (15 pts) A 83.5 g sample of a metal alloy is heated to 88.1°C and it is then placed in a coffee-cup calorimeter containing 30.0 g water at 15.0°C. The final temperature of the metal + water is 25.3 °C. Calculate the specific heat of metal alloy, in J/(g°C), assuming no heat escapes to the surroundings or is transferred to the calorimeter. The specific heat of water is 4.184 J/(g°C).
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