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QUESTION 7 A 437.2 g sample of an unknown substance requires 8460to increase its temperature from...
1) the kinetic energy of a 15.2 kg object traveling at 8.49 m/s is ___ J....
1) the kinetic energy of a 15.2 kg object traveling at 8.49 m/s is ___ J. 2) A 437.2 g sample of an unknown substance requires 8460 J to increase its temperature from 19.3 oC to 68.9 oC. The specific heat of the substance is ___ J/g oC. 3) A 437.2 g sample of an unknown substance requires 8460 J to increase its temperature from 19.3 oC to 68.9 oC. According to table 5.1 in the text, the sample may...
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QUESTION 7 Save Answer A 437.2 g sample of an unknown substance requires 8460 J to increase its temperature from 19.3 °C to 68.9 °C. The specific heat of the substance is __J/g °C. QUESTION 8 0.5 points Save Answer A 437.2 g sample of an unknown substance requires 8460 J to increase its temperature from 19.3 °C to 68.9...
A piece of unknown substance weighs 57.2 g and requires 3210 ) to increase its temperature...
A piece of unknown substance weighs 57.2 g and requires 3210 ) to increase its temperature from 22.6°C to 89.2°C. (a) What is the specific heat (in J/g.°C) of the substance? 493 /9-°C (6) If it is one of the substances found in the table below, what is its likely identity? Specific Heats of Common Substances at 25°C and 1 bar Substance Symbol (state) Specific Heat (1/g.c) gold Au(s) 0.129 copper Cu(s) 0.384 iron Fe(s) 0.449 argon Arg) 0.521 silicon...
DO ALL PARTS OF THE QUESTION AND USE SIGNIFICANT FIGURES!!! IF YOU DO NOT DO THIS...
DO ALL PARTS OF THE QUESTION AND USE SIGNIFICANT FIGURES!!! IF
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QUESTION 9 2 points Save Answer A 30.0 g piece of aluminum (C = 0.897 J/g °C) initially at 94.6 °C is placed in 100.0 g of water initially at 18.2 °C. The system adjusts until the temperature of the aluminum and the water are the same. What is the final temperature?
20. A piece of unknown substance weighs 44.7 g and requires 2110 J to increase its...
20. A piece of unknown substance weighs 44.7 g and requires 2110 J to increase its temperature from 23.2 °C to 89.6 °C. What is the specific heat of the substance?
A hot 104.2 g lump of an unknown substance initially at 171.6 °C is placed in...
A hot 104.2 g lump of an unknown substance initially at 171.6 °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 46.6 °C. Substance aluminum graphite rhodium titanium Specific heat (J/(g•°C)) 0.897 0.709 0.243 0.523 0.132 0.388 Using this information and the specific heat values for several metals in the table, identify the unknown substance. Assume no heat is lost to...
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...
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
Question 24 A 50,0 g sample of an unknown substance requires 2200.J of heat to increase...
Question 24 A 50,0 g sample of an unknown substance requires 2200.J of heat to increase in temperature by 62.0°C. What is the heat capacity of the block? 1.41 [8°C) 0.710 VISC) 6.82x10 1/8 C) 1770 J/ -°C) O 3380 g) Proctorio is sharing your screen Stop sharing Hide DOLL Principles of Chemistry nciples of Chemistry ak acid : HF H3 PO 4 CH₃ Coolt weak Bas: NH₃ Question 27 A 1.25 mol sample of neon gas has a volume...
number 11 (b) dipole-dipole attraction (c) hydrogen bond Define components of this equation: h = (2T...
number 11
(b) dipole-dipole attraction (c) hydrogen bond Define components of this equation: h = (2T cos θ )/ (rp Use the given equation above to answer this question. At 35°C, how high will water rise in a glass capillary tube with an inner diameter of 0.5 mm? For water, T-71.99 mN/m and p-10 g/cm3 8. 9. 10. The density of liquid sample of NH3 is 0.64 g/mL; the density of same sample in gaseaus phase at 25 "C, 1...
DO ALL PARTS OF THE QUESTION AND USE SIGNIFICANT FIGURES!!! IF
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QUESTION 7 Save Answer A 437.2 g sample of an unknown substance requires 8460 J to increase its temperature from 19.3 °C to 68.9 °C. The specific heat of the substance is __J/g °C. QUESTION 8 0.5 points Save Answer A 437.2 g sample of an unknown substance requires 8460 J to increase its temperature from 19.3 °C to 68.9...
A piece of unknown substance weighs 57.2 g and requires 3210 ) to increase its temperature from 22.6°C to 89.2°C. (a) What is the specific heat (in J/g.°C) of the substance? 493 /9-°C (6) If it is one of the substances found in the table below, what is its likely identity? Specific Heats of Common Substances at 25°C and 1 bar Substance Symbol (state) Specific Heat (1/g.c) gold Au(s) 0.129 copper Cu(s) 0.384 iron Fe(s) 0.449 argon Arg) 0.521 silicon...
DO ALL PARTS OF THE QUESTION AND USE SIGNIFICANT FIGURES!!! IF
YOU DO NOT DO THIS I WILL DOWNVOTE YOU!!!!
QUESTION 9 2 points Save Answer A 30.0 g piece of aluminum (C = 0.897 J/g °C) initially at 94.6 °C is placed in 100.0 g of water initially at 18.2 °C. The system adjusts until the temperature of the aluminum and the water are the same. What is the final temperature?
20. A piece of unknown substance weighs 44.7 g and requires 2110 J to increase its temperature from 23.2 °C to 89.6 °C. What is the specific heat of the substance?
A hot 104.2 g lump of an unknown substance initially at 171.6 °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 46.6 °C. Substance aluminum graphite rhodium titanium Specific heat (J/(g•°C)) 0.897 0.709 0.243 0.523 0.132 0.388 Using this information and the specific heat values for several metals in the table, identify the unknown substance. Assume no heat is lost to...
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
Question 24 A 50,0 g sample of an unknown substance requires 2200.J of heat to increase in temperature by 62.0°C. What is the heat capacity of the block? 1.41 [8°C) 0.710 VISC) 6.82x10 1/8 C) 1770 J/ -°C) O 3380 g) Proctorio is sharing your screen Stop sharing Hide DOLL Principles of Chemistry nciples of Chemistry ak acid : HF H3 PO 4 CH₃ Coolt weak Bas: NH₃ Question 27 A 1.25 mol sample of neon gas has a volume...
number 11
(b) dipole-dipole attraction (c) hydrogen bond Define components of this equation: h = (2T cos θ )/ (rp Use the given equation above to answer this question. At 35°C, how high will water rise in a glass capillary tube with an inner diameter of 0.5 mm? For water, T-71.99 mN/m and p-10 g/cm3 8. 9. 10. The density of liquid sample of NH3 is 0.64 g/mL; the density of same sample in gaseaus phase at 25 "C, 1...
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