piece of metal weighing 49.047 g was heated to 100.0 ºC and then put it into 100.0 mL of water (initially at 22.3 ºC). The metal and water were allowed to come to an equilibrium temperature, determined to be 27.8 ºC. Assuming no heat lost to the environment, calculate the specific heat of the metal. Specific heat of water = 4.18 J/(g .ºC)

Q: A 75.0 gram piece of titanium is heated to a temperature of 98.40ºC. The metal is then dropped into…

A: Write the expression of heat change due to the change in temperature. ∆H=ms∆t Where ∆H is the heat…

Q: calorimeter containing 837 mL of 1.10 M acid, where the acid has a 1 to 1 molar ratio with sodium…

A: We will calculate ∆H in Kj/mol

Q: A sample of 23.2 g of ammonium nitrate, NH¼NO3, was dissolved in 137.5 g of water in a coffee cup…

A:

Q: Two 66-g ice cubes at 0 °C are dropped into 5.00 x 102 mL of tea to make iced tea. The tea was…

A: The mass of tea (m) is calculated as follows:

Q: A 25.0 mL sample of 0.5 M AgNO3(aq) is mixed with a 25.0 mL sample of 0.5 M NaCl(aq) in a…

A: Enthalpy of reaction ∆Hrxn is calculated below.

Q: A sample of 24.9 g of ammonium nitrate, NH4N03, was dissolved in 121.3g of water in a coffee cup…

A: Mass of sample (ammonium nitrate) = 24.9 gram Mass of water = 121.3 gram Specific heat of solution =…

Q: In a coffee-cup calorimeter, 120.0 mL of 1.1 M NaOH and 120.0 mL of 1.1 M HCl are mixed. Both…

A: Given, In a coffee-cup calorimeter, 120.0 mL of 1.1 M NaOH and 120.0 mL of 1.1 M HCl are mixed. Both…

Q: If 0.066 mol of hydrochloric acid (HCl)  is mixed with 0.066 mol of sodium hydroxide (NaOH)  in a…

A:

Q: A calorimeter contained 75.0 g of water at 16.95 °C. A 93.3 g sample of iron at 65.58°C was placed…

A: Specific heat capacity is equal to the heat of 1g of substance  required to raise the temperature by…

Q: A total of 2.00 molmol of a compound is allowed to react with water in a foam coffee cup and the…

A: the enthalpy of reaction (ΔHrxn) is the difference in enthalpy between products and reactants

Q: hot lump of 25.4 g of aluminum at an initial temperature of 83.0 °C is placed in 50.0 mL H2O…

A: This concept is based on principle of calorimetry in this concept heat given by system and heat lose…

Q: coffee-cup calorimeter, 100.0 mL of 1.1 M    NaOH and 100.0 mL of 1.1 M   HCI are mixed. Both…

A:

Q: Calculate the energy content (in calories) of a 1.00 g of product that is placed inside a…

A:

Q: A 149.2-g sample of a metal at 74.4°C is added to 149.2 g H20 at 15.5°C. The temperature of the…

A: Given: Specific heat of water = 4.18 J/g. oC Mass of metal = 149.2 g Mass of water = 149.2 g.…

Q: To treat a burn on his hand, a person decides to place an ice cube on the burned skin. The mass of…

A: Mass of ice = 15.2 g = Mi = MwInitial Temperature of ice = Ti = -13.9 °CFinal Temperature of ice =…