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A hot 104.2 g lump of an unknown substance initially at 171.6 °C is placed in...
A hot 105.8 g lump of an unknown substance initially at 179.7 °C is placed in 35.0 mL of water initially at 25.0 °C and...
A hot 105.8 g lump of an unknown substance initially at 179.7 °C is placed in 35.0 mL of water initially at 25.0 °C and the system is allowed to reach thermal equilibrium. The final temperature of the system is 77.4 °C. Substance Specific heat (J/(g·°C)) aluminum 0.897 graphite 0.709 rhodium 0.243 titanium 0.523 tungsten 0.132 zinc 0.388 water 4.184 Using this information and the specific heat values for several metals in the table, identify the unknown substance. Assume no...
the Specific Heat Capicity of Tungsten is given here. 3. Calculate the temperature change when 32...
the Specific Heat Capicity of Tungsten is given here.
3. Calculate the temperature change when 32 grams of tungsten has 21 Joules of heat added to it. temperature be- in between the initial temperatures of the t and will be the same for the metal and the water.) Table 1. Specific heat capacities of various metals and other substances Specific Heat Capacity, C (J/g.°C) 0.129 0.129 0.132 0.133 Specific Heat Capacity, C (3/goC) 0.421 0.444 0.449 0.450 0.460 0.522 0.757...
QUESTION 7 A 437.2 g sample of an unknown substance requires 8460to increase its temperature from...
QUESTION 7 A 437.2 g sample of an unknown substance requires 8460to increase its temperature from 19.3 °C to 68.9 °C. The specific heat of the substance is __J/g °C. QUESTION 8 A 437.2 g sample of an unknown substance requires 8460 ) to increase its temperature from 19.3 °C to 68.9 °C. According to table 5.1 in the text, the sample may be copper lead aluminum iron QUESTION 9 A 30.0 g piece of aluminum (C = 0.897 J/g...
A hot lump of 46.6 g of aluminum at an initial temperature of 72.0 °C is...
A hot lump of 46.6 g of aluminum at an initial temperature of 72.0 °C is placed in 50.0 mL H,O initially at 25.0 °C and allowed to reach thermal equilibrium. What is the final temperature of the aluminum and water, given that the specific heat of aluminum is 0.903 J/(g.°C)? Assume no heat is lost to surroundings °C Trinal
An unknown substance has a mass of 16.7 g. The temperature of the substance increases by...
An unknown substance has a mass of 16.7 g. The temperature of the substance increases by 13.7∘ C when 53.8 J of heat is added to the substance. The table lists the specific heats of select substances lead 0.128 silver 0.235 copper 0.385 iron 0.449 aluminum 0.903 water 4.184 What is the most likely identity of the unknown substance?
The table lists the specific heat capacities of select substances. Substance Specific heat capacity (J/g °C)...
The table lists the specific heat capacities of select substances. Substance Specific heat capacity (J/g °C) lead 0.128 silver 0.235 copper 0.385 iron 0.449 aluminum 0.903 water 4.184 An unknown substance has a mass of 13.3 g. The temperature of the substance increases by 16.7 °C when 52.2 J of heat is added to the substance. What is the most likely identity of the substance? O lead O aluminum iron O copper water O silver
A 125 g sample of an unknown substance is heated to 93.6 °C and then dropped...
A 125 g sample of an unknown substance is heated to 93.6 °C and then dropped into 100.0 g of water at 19.0°C in a calorimeter. The temperature of the water rises to 31.0°C. What is the specific heat of the substance? Assume no heat lost to the surroundings. The specific heat of water is 4.184 J/ (g•°C).
Question 4 of 8 > Substance lead Specific heat capacity (J/g °C) 0.128 0.235 0.385 silver...
Question 4 of 8 > Substance lead Specific heat capacity (J/g °C) 0.128 0.235 0.385 silver copper iron 0.449 aluminum 0.903 4.184 water An unknown substance has a mass of 18.9 g. The temperature of the substance increases by 18.3 °C when 81.3 J of heat is added to the substance. What is the most likely identity of the substance? O aluminum silver O water O copper
A hot lump of 32.3 g of copper at an initial temperature of 96.5°C is placed...
A
hot lump of 32.3 g of copper at an initial temperature of 96.5°C is
placed in 50.0 mL H2O initially at 25.0°C and allowed to reach
thermal equilibrium. What is the final temperature of the copper
and water given that the specific heat of copper is 0.385J/g°C and
the specific heat of water is 4.184J/g°C?
4. A hot lump of 32.3 g of copper at an initial temperature of 96.5°C is placed in 50.0 mL H20 initially at 25.0°C...
An irregular lump of an unknown metal has a measured density of 3.84 g/mL. The metal...
An irregular lump of an unknown metal has a measured density of 3.84 g/mL. The metal is heated to a temperature of 161 °C and placed in a graduated cylinder filled with 25.0 mL of water at 25.0 °C. After the system has reached thermal equilibrium, the volume in the cylinder is read at 33.7 mL, and the temperature is recorded as 37.4 °C. What is the specific heat of the unknown metal sample? Assume no heat is lost to...
the Specific Heat Capicity of Tungsten is given here.
3. Calculate the temperature change when 32 grams of tungsten has 21 Joules of heat added to it. temperature be- in between the initial temperatures of the t and will be the same for the metal and the water.) Table 1. Specific heat capacities of various metals and other substances Specific Heat Capacity, C (J/g.°C) 0.129 0.129 0.132 0.133 Specific Heat Capacity, C (3/goC) 0.421 0.444 0.449 0.450 0.460 0.522 0.757...
QUESTION 7 A 437.2 g sample of an unknown substance requires 8460to increase its temperature from 19.3 °C to 68.9 °C. The specific heat of the substance is __J/g °C. QUESTION 8 A 437.2 g sample of an unknown substance requires 8460 ) to increase its temperature from 19.3 °C to 68.9 °C. According to table 5.1 in the text, the sample may be copper lead aluminum iron QUESTION 9 A 30.0 g piece of aluminum (C = 0.897 J/g...
A hot lump of 46.6 g of aluminum at an initial temperature of 72.0 °C is placed in 50.0 mL H,O initially at 25.0 °C and allowed to reach thermal equilibrium. What is the final temperature of the aluminum and water, given that the specific heat of aluminum is 0.903 J/(g.°C)? Assume no heat is lost to surroundings °C Trinal
The table lists the specific heat capacities of select substances. Substance Specific heat capacity (J/g °C) lead 0.128 silver 0.235 copper 0.385 iron 0.449 aluminum 0.903 water 4.184 An unknown substance has a mass of 13.3 g. The temperature of the substance increases by 16.7 °C when 52.2 J of heat is added to the substance. What is the most likely identity of the substance? O lead O aluminum iron O copper water O silver
Question 4 of 8 > Substance lead Specific heat capacity (J/g °C) 0.128 0.235 0.385 silver copper iron 0.449 aluminum 0.903 4.184 water An unknown substance has a mass of 18.9 g. The temperature of the substance increases by 18.3 °C when 81.3 J of heat is added to the substance. What is the most likely identity of the substance? O aluminum silver O water O copper
A
hot lump of 32.3 g of copper at an initial temperature of 96.5°C is
placed in 50.0 mL H2O initially at 25.0°C and allowed to reach
thermal equilibrium. What is the final temperature of the copper
and water given that the specific heat of copper is 0.385J/g°C and
the specific heat of water is 4.184J/g°C?
4. A hot lump of 32.3 g of copper at an initial temperature of 96.5°C is placed in 50.0 mL H20 initially at 25.0°C...
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