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8) A 22.44 g sample of iron absorbs 180.8 J of heat, upon which the temperature...
a 32.44 g sample of iron absorbs 190.8 j of heat upon which the temperature of the sample increases from 21.1c to 43.0 c what is the specific heat of iron
help A 22.9 g sample of iron absorbs 155 J of heat, upon which the temperature of the sample increases from 23.9°C to 38.9 °C. What is the specific heat (s) of iron? Hint: s = (m X AT) O 0.451 J/g-°C O 102 J/g-°C 53,200 J/g-°C O 0.451 J/g-°C 237 J/g-90
A sample of aluminum absorbs 50.1 J of heat, upon which the temperature of the sample increases from 20.0°C to 35.5°C. If the specific heat of aluminum is 0.900 J/g- °C, what is the mass, in grams, of the sample?
Question 3 (6 points) A sample of iron absorbs 85 J of heat, upon which the temperature of the sample increases from 20°C to 30 °C. If the specific heat of iron is 0.50 J/g OC, what is the mass (in grams) of the sample? 4.25 0 0.06 0 21 0 19 0 Question 4 (6 points) Il 12 250 mmHe He and 50 mmHg Hz with a total
26. The internal energy can be increased by a) transferring heat from the surroundings to the ystem (b) transferring heat from the system to the surroundings c) doing work on the system A) a only B)b only C) c only D) a and c E) b and e 27. For the species in the reaction below, AHf is zero for 2Co (s) + H2 (3)+ 8PF3 () 2HCo(PF3)4) A) Co (s) B) H2 (3) C) PF3 (8) 1D) HCo(PF3)40 E)...
Home Assignment: Chapter 5: Thermochemistry 12) At what velocity (m/s) must a 20.0 g object be moving in order to possess a kinetic energy of 1.00 )? A) 1.00 B) 100x10 C) 10.0 D) 1.00x10 E) 50.0 13) The value of AE for a system that performs 111 kJ of work on its surroundings and gains 89 kJ of heat A)-111 B)-200 C) 200 D) -22 E) 22 14) The British thermal unit (Btu) is commonly used in engineering applications....
A 150.0 g block of iron absorbs 750.0 J of thermal energy. The specific heat capacity of iron is 0.449 J/(g·◦C). The initial temperature of the block is 20.0 ◦C. What is its final temperature? (A) 111.3 ◦C (B) 31.1 ◦C (C) 22.2 ◦C (D) 20.4 ◦C (E) 8.86 ◦C
The temperature of an object increases by 48.3 °C when it absorbs 3701 J of heat. Calculate the heat capacity of the object. C = 0.240 The mass of the object is 319 g. Use the table of specific heat values to identify the composition of the object. Substance gold silver Specific heat (J/(g · °C)) 0.129 0.240 0.444 0.900 iron aluminum
21. What is the specific heat of copper if a 55.0-g sample absorbs 1,590 J of heat to raise its temperature by 75.0 °C?
The temperature of a sample of iron increased by 24.3 °C when 269 J of heat was applied. What is the mass of the sample? Substance Specific heat J/(g · °C) lead 0.128 silver 0.235 copper 0.385 iron 0.449 aluminum 0.903