If 50 calories was applied to an 50 grams unknown metal and changed the temperature from 25C to 35C. What is the specific heat of the unknown metal?
If 50 calories was applied to an 50 grams unknown metal and changed the temperature from...
16. How many calories are required to rise the temperature of 25g aluminum from 293.15 Kelvin to 50°C? Aluminum has specific heat of 0.22 cal/gºC. Show calculation (5pts). 17. If 50 calories was applied to an 50 grams unknow metal and changed the temperature from 25°C to 35°C. What is the specific heat of the unknown metal? Show calculation (5pts).
1. If 10.0 grams of an unknown metal undergoes a temperature change of 8.5°C and absorbs 32.47 J. Calculate the specific heat of the metal and identify the metal.
72.0 grams of an unknown metal at 95.0oC is added to 115.0 grams of water (cs = 4.184 J/g•oC) at 21.0oC in an insulated container. If the final temperature of the metal and water is 27.3oC then what is the specific heat capacity (cs) of the metal?
44.0 grams of an unknown metal at 99.0oC is added to 80.0 grams of water (cs = 4.184 J/g•oC) at 24.0oC in an insulated container. If the final temperature of the metal and water is 28.4oC then what is the specific heat capacity (cs) of the metal?
what is the specific heat of an unknown metal if when 20.0 grams of the metal were heated from 20.0°C to 100.0°C the metal absorbed 618 J of heat?
An unknown sample of metal with a mass of 20.0 grams absorbed 210 joules of energy. The temperature of the metal increased from 25.0°C to 70.0°C. Calculate the specific heat of the metal. What is the identity of the metal? gold silver copper iron aluminum
A piece of metal has mass 100 grams and an initial temperature of 100°C. It is placed in an insulated container of mass 200 grams which contains 500 grams of water at an initial temperature of 17.3°C. The container is made of the same material as the metal sample. If the final temperature is 22.7°C, what is the specific heat capacity of this metal? How many calories (1 cal = 4.186 J) are required to warm the metal sample by...
Calculate the number of calories needed to increase the temperature of 50.0g of copper metal from 21.0 degree Celsius. Given, the specific heat of copper is 0.382cal/g x C
1. A 25 grams piece of unknown metal at 80 ºC is dropped into 50 grams of water at 25.0 ºC. The final temperature of the water is 26.16 ºC. What is the specific heat of the unknown metal? [Report answer to two sig figs and do not add the unit label.] 2. Determine the ∆H º for the third reaction; is it exothermic ? ClO(g) + O3(g) --> Cl(g) + 2 O2(g) ∆Hº = -29.90 kJ/mol 2 O3(g)...
175.0 grams of an unknown metal at 85.0°C is added to 75.00 grams of water (cs = 4.184 J/g.°C) at 21.0°C in an insulated container. If the final temperature of the metal and water is 26.2°C then what is the specific heat capacity (Cs) of the metal? Select one: a. -0.16 J/g.°C b. 0.16 J/g.°C c. 6.3 J/g.°C O d.-6.3 J/g.°C e. 1.4 J/g.°C