A student mixes 76.9 g of water at 71.3°C with 44.9 g of water at 23.1°C in an insulated flask. What is the final temperature of the combined water?

Q: When one mole of C6H6 is burned, 3.27 MJ of heat is produced. When the heat from burning 5.27 g is…

A: Given: 3.27 MJ = 3270000 J molar mass of C6H6 = 78.11 gm/mol that mean 78.11 gm C6H6 = 1 mole then…

Q: A piece of silver of mass 362g has a heat capacity of 85.7 J/degrees Celsius. What is the specific…

A: Specific heat capacity is defined as the amount of heat required to change the temperature of 1 gram…

Q: the laboratory a student finds that it takes 29.3 Joules to increase the temperature of 13.1 grams…

A: Given -> ∆H= 29.3 joule Weight (m) = 13.1 gm T1=20.0°C  T2= 37.9°C

Q: If 50.0 g of water at 15.0°C is added to 40.0 g of water at 85.0°C, what is the final temperature of…

A: The objective of this question is to find the final temperature of the system when two quantities of…

Q: A 30.0 g sample of water at 280. K is mixed with 30.0 g of iron at 330 K. The final temperature of…

A:

Q: A 25.0-g sample of pure iron at 85.0°C is dropped into 75.0 g of water at 20.0°C. What is the final…

A: specific heat iron = 0.46 J/g°C specific heat water = 4.18 J/g°C heat lost + heat gained =0   25.0 x…

Q: A 140.0 g sample of water at 25.0°C is mixed with 100.0 g of a metal at 100.0°C. After thermal…

A: The change in energy of a system is given by,

Q: A 2.74-g sample of a substance suspected of being pure gold is warmed to 72.1 °C and submerged into…

A:

Q: A student mixes 84.3 g of water at 58.9°C with 44.9 g of water at 26.9°C in an insulated flask. What…

A:

Q: A 12.48 gram sample of an unknown metal heated to 99.0℃ was plunged into 50.0mL of 25.0℃ water. The…

A:

Q: 40.036 g of a metal is heated to 99.6 °C and is then placed into 25.0 g of water at 22.4 °C. The…

A: Given: Mass of metal = 40.036 gTemperature of metal = 99.6 °CMass of water = 25.0 gTemperature of…

Q: Suppose you mix 100.0 g of water at 24.7 oC with 75.0 g of water at 71.1  oC. What will be the final…

A: Mass of colder water = 100.0 g Initial temperature = 24.7˚C Mass of hotter water = 75.0 g Initial…

Q: A 2.62E1 g sample of aluminum at 1.008E2 °C is added to 1.002E2 g of water at 2.22E1 °C in a…

A: For a chemical reaction or physical process to occur a certain amount of energy should be furnished…

Q: when 108g of water at a temperature of 22.5°C is mixed with a 65.1 g of water at an unknown…

A:

Q: 1.64 L of hydrochloric acid are mixed with 735 mL of ammonia in a calorimeter. The initial…

A: Solution - According to the question - Given - 1.64 L = 1.64 * 10000 = 1640 ml Total volume = 1640 +…

Q: metal X =48.1g; specific heat capacity =0.228 J/C If metal X is heated to 95.1C and put into a…

A:

Q: A sample of Ni(s) is heated to 98.8 Celsius and placed into a coffee cup calorimeter containing…

A: Given, mass of water = 150.0 g

Q: An 8.50 L sample of an ideal gas at 25° C undergoes a change at a pressure of 1.90 x 103 torr while…

A: Volume of sample of gas = 8.50 L

Q: If you combine 420.0 mL of water at 25.00 ∘C and 140.0 mL of water at 95.00 ∘C, what is the final…

A: 1. In thermodynamics, heat can be defined as, "the irregular supply of energy for the completion of…

Q: A 2.57 g sample of a substance suspected of being pure gold is warmed to 72.9 °C and submerged into…

A:

Q: 140.0-g sample of water at 25.0°C is mixed with 126.1 g of a certain metal at 100.0°C. After thermal…

A:

Q: Suppose you mix 100.0 g of water at 25.8 oC with 75.0 g of water at 72.9  oC. What will be the final…

A: We have to find the final temperature when mix 100.0 g of water at 25.8 oC with 75.0 g of water at…

Q: An 84.01 g sample of water at 88.2 °C is mixed in a calorimeter with 43.6 g of water at 23.4 °C.…

A:

Q: If you combine 300.0 mL of water at 25.00 ∘C and 100.0 mL of water at 95.00 ∘C, what is the final…

A:

Q: A 395.7 g sample of water at 20.0 °C is mixed with 100.0 g of a certain metal at 95.0 °C. After…

A: Specific heat capacity is the amount of heat that is required to rise a temperature of 1 kg…

Q: A 138.9 g sample of an unknown metal at a temperature of 99.1 °C is added to 44.72 g of water at a…

A: Q = mC∆T

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 614.0 mg sample…

A:

Q: 22.214 g of a metal at 99.73°C was added to 14.2 g of water at 19.05°C. The temperature of the…

A: Given: Mass of metal = 22.214 g Initial temperature of metal = 99.73 °C  Mass of water = 14.2 g…

Q: metal X =51.0g; specific heat capacity =0.44 J/C If metal X is heated to 86C and put into a…

A: Information of question

Q: A glass contains 250.0 g of warm water at 78.0°C. A 50.0 g piece of gold at 2.30°C is placed in the…

A:

Q: If you combine 270.0 mL of water at 25.00 ∘C and 110.0 mL of water at 95.00 ∘C, what is the final…

A: Heat gain by 270 mL of water must be equal to the heat loss by 110.0 mL of water.

Q: A group of students place 15.41g of a metal into a test tube. They place the test tube into a beaker…

A: Given, mass of the metal = Wmetal = 15.41 g  Mass of the water = Wwater = 10.47 g Initial…