A 76.6 g piece of metal at 82.0°C is placed in 137 g of water at 21.0°C contained in a calorimeter. The metal and water come to the same temperature at 23.8°C.   a. How much heat (in J) did the metal give up to the water? (Assume the specific heat of water is 4.18 J/g·°C across the temperature range.)  _____ J   b. What is the specific heat (in J/g·°C) of the metal?   _____ J/g·°C

Q: 6. Granite has a specific heat of 800 J/g.°C. What mass of granite is needed to store 150,000 J of…

A: Answer: Mass of granite needed is 12.1g

Q: 1. The temperature of a 15.0 g sample of a metal (specific heat 0.040 J/g.°C) is raised by 18.2°C.…

A: Using relation:  Q = m×s×∆T     -----(1) where Q is amount of heat absorbed m is mass of substance s…

Q: A metallic radiator is made of 26.0 kg of iron, the specific heat of iron is 0.449 J/g°C. How much…

A: Given: Mass of Iron =26.0 kg =26000 g Temperature change, ∆T=(55.0-25.0)°C=30 °C The heat needed q…

Q: Given the specific heat of lead is 0.129 J/g.C and that it takes 93.4J of energy to heat a sample of…

A: Specific heat It is amount  of heat required to change the temperature of a substance by 1 Degree of…

Q: If 63.50 g of an unknown metal at 97.6 °C initially produced a resulting temperature of 39.5 °C when…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 809.0 mg sample…

A: Given, mass (m) = 809.0 mg = 0.809 g Initial temperature (Ti) = 52.2 °C = (52.2 + 273.15) K = 325.35…

Q: An unknown metal with a specific heat of 0.385j has an initial temperature of 65.4 C. the metal is…

A: The heat absorbed or released by the Substance related with each other by following formula -   M1…

Q: What would be the final temperature of 1 gallon of water (3.785 L) if you added 1.218 x 103 kJ of…

A: we need to find the final temperature of water under given conditions

Q: A substance weighing 14.2 g absorbs 65.03 J of heat, resulting in a temperature increase of 10.2 °C.…

A: The objective of the question is to identify the substance based on its specific heat capacity. The…

Q: The following 4 metals each had an initial temperature of25∘C. Exactly 100 Joules of energy as heat…

A: Given :-  Initial temperature = 25 ∘C. Heat suuplied = 100 J  Metal  Aluminum Iron  Copper…

Q: A. You transfer a steel ball bearing weighing 35 g (specific heat = 0.12 cal/g°C) from your boiling…

A: The question is based on the concept of specific heat capacity.  It is defined as the amount of heat…

Q: 12. A student wants to determine the identity of an unknown metal. The students heat the 25.0g chunk…

A: Principle: The following relation is used to determine the heat absorbed or released by a substance…

Q: In a coffee-cup calorimeter, 148.2 g of H20 and 97.0 mL of HCl are mixed. The HCI had an initial…

A: The heat lost or gained by water is given by  Q = mCΔT  where m = mass of water  C = specific heat…

Q: 3. a. What is the specific heat of a 41.5 g piece of glass, if it takes 17.8 kJ of heat to raise its…

A: (3a) Specific heat of a Substance can be calculated by using Following formula - Q = C M ∆T Here, Q…

Q: You place a piece of unknown metal in the oven and heat it to 185°C.  You then place the metal into…

A: Given: Mass of metal = 346 g. Volume of water = 250 mL. Initial temperature of water = 24.1 oC Final…

Q: 11. A piece of metal weighing 3.20 grams is heated to 100. °C. It is dropped into 50.0 grams of…

A: 11) Mass of the piece of metal = 3.20 grams Temperature=  100o CMass of water in calorimeter = 50…

Q: 1

A: According to the equation;

Q: 6. If 53.2 g Al solid at 120.0 °C is placed in 110.0 g H₂O at 90 °C within an insulated container…

A:

Q: Volume of cold water 35.1 mL Temp of cold water 18.2 oC Volume of hot water 35.1 mL…

A: The heat lost(qlost) by hot water can be calculated using equation (1). In this equation, m…

Q: 4. A student measures an initial temperature of 25.00 °C for a 100.0 gram sample of water in the…

A:

Q: An unknown mass of sand and water at 23 °C each absorb 1.95 × 10³ J of heat. The final temperature…

A: Given: Amount of heat absorbed = 1950 J Initial temperature of sand and water = 23 oC Final…

Q: 2

A: The heat in a calorimeter, qcal is given as : The heat change of a reaction in a calorimeter, qrxn…

Q: A 2.85 g sample of a food substance was burned in a calorimeter that had a heat capacity of 9.84…

A: Given: The mass of the food substance burned = 2.85 g The heat capacity of the calorimeter = 9.84…

Q: 18. An unknown volume of water at 18.2°C is added to 24.4 mL of water at 35.0°C. If the final…

A:

Q: An unknown solid metal at 150 degrees celsius was placed in 1.00 L of water at 25 degrees celsius.…

A: Heat absorbed or emitted by a substance = mass of the substance x specific heat of the substance x…

Q: 2. A 25.0 g bold made of an alloy absorbed 250 J of heat as its temperature changed from 25.0 °C to…

A: Applying formula Q= mc∆t