In an experiment, 2 grams of zinc and 150 mL aq CuSO4 were made to react, then as observed, the temperature rises from 300C to 410C. What is the heat of the reaction between the zinc and copper sulphate (in kJ/mole)?

Q: A 3.527 g sample of a new organic material is combusted in a bomb calorimeter. The temperature of…

A: Given,  Mass of the sample = 3.527 g  Initial temperature = Ti = 24.87 0C  Final temperature = Tf =…

Q: A sample of lead is heated to 189.4oC.  It is then placed in a cup containing 32.8 g water at…

A: The relationship between heat , specific heat capacity and change in temperature is given by the…

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: Calculate the amount of heat released

A: Number of moles = mass/molar mass  Molar mass of MgO is 40.3044 g/mol

Q: Liquid hydrogen peroxide releases oxygen gas in its decomposition. 2 H202 - 2 H20 + O2 AH rxn =…

A:

Q: A piece of unknown solid substance weighs 437.2 g, and requires 8460 J to increase its temperature…

A: In this question, we want to determine the specific heat of the unknown substance.  You can see…

Q: A new metal alloy was created in the laboratory for use in applications where a strong but light…

A:

Q: 5.114 A 3.52-g sample of ammonium nitrate (NH4NO3)was added to 80.0 mL of water in a…

A: Given that : Mass of ammonium nitrate = 3.52g Mass of water = 80.0mL = 80.0g Change in temperature…

Q: When 5.40 g of a solid mixture composed of NH4Cl and CaCl2 was dissolved in 100.0 mL of water, the…

A: Given Mass of NH4Cl = 1.78 g Mass of CaCl2 = 3.26 g

Q: metal radiator is made from 25.9 kg of iron. The specific heat of iron is 0.449 J/g °C. How much…

A:

Q: A piece of iron (5 g) at 150 oC with a specific heat of 0.45 J/g oC is placed in 100 mL of water at…

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

Q: When 4.88 g of a solid mixture composed of NH¼CI and CaCl2 was dissolved in 100.0 mL of water, the…

A: Given that : The mass of the solid mixture = 4.88 g The volume of water = 100.0 mL The rise in…

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 sheet of gold weighing 10.0 g and at a temperature of 18.0°C is placed flat on a sheet of iron…

A:

Q: When 4.81 g of a solid mixture composed of NH4CI and Cačl2 was dissolved in 100.0 mL of water, the…

A: Please find your solution below :

Q: A piece of metal weighing  5.10 gg   at a temperature of  48.5 ∘C∘C   was placed in a calorimeter in…

A:

Q: A 1.148 g sample of benzoic acid is burned in an excess of O2 (g) in a bomb calorimeter immersed in…

A: Given that, 1.148 g sample of benzoic acid is burned in an excess of O2 (g) in a bomb calorimeter;…

Q: When 108 g of water at a temperature of 23.1 °C is mixed with 66.1 g of water at an unknown…

A:

Q: A 440.0 g quantity of a certain metal is heated to 100.0 C. It is immediately placed into 258 g of…

A:

Q: When 4.88 g of a solid mixture composed of NH4CI and CaC2 was dissolved in 100.0 mL of water, the…

A: When another component is added to a liquid (a solvent), the boiling point of the liquid (a solvent)…

Q: At constant volume, the heat of combustion of a particular compound is -3863 kJ/mol. When 1.163 g of…

A: Heat capacity is the amount of heat required to raise the temperature of a substance by 1 degree…

Q: 4. A 50.0 gram piece of hot iron (specific heat = 0.451 J/g °C) was placed in a beaker of 600. grams…

A: The question is about calculating the Original Temperature of the hot iron piece using the given…

Q: When 5.69 g of a solid mixture composed of NH4Cl and CaCl2 was dissolved in 100.0 mL of water, the…

A: Given that

Q: 6. Carbon Tetrachloride, CCI4, was a very popular organic solvent until it was found to be toxic.…

A:

Q: When 5.28 g of a solid mixture composed of NH4Cl and CaCl2 was dissolved in 100.0 mL of water, the…

A: Given: 5.28 g of a solid mixture composed of NH4Cl and CaCl2 was dissolved in 100.0 mL of water, the…

Q: When 5.70 g of a solid mixture composed of NH4CI and CaCl2 was dissolved in 100.0 mL of water, the…

A:

Q: A 5.006 g sample of methanol, CH3OH, was combusted in the presence of excess oxygen in a bomb…

A: Since the question number is not mentioned, we will answer both the questions.

Q: A metal object with mass of 20.5 g is heated to and then transferred to an insulated container…

A: when we mix to object then it grow from high temperature too low temperature . so apply principle of…

Q: Fifty (50.0) grams of hot water at 65.0oC is mixed with 40.0 g of cold water. The final temperature…

A: The amount of heat released or absorbed by a system is calculated by using the following expression:…

Q: 11. A piece of unknown solid substance weighs 437.2 g, and requires 8460 J to increase its…

A:

Q: In a beaker 150.0 g iron is heated to the temperature of boiling water. In another beaker, 50.0 g…

A: The value possessed by all solids as well as liquids that gives heat needed to elevate temperature…

Q: A 25.0 mL portion of dilute HCl (aq) is combined with a 25.0 mL portion of dilute NaOH in a…

A: Given that : The volume of HCl = 25.0 mL The volume of NaOH = 25.0 mL The initial temperature = 23.3…

Q: When 5.54 g of a solid mixture composed of NH.Cl and CaCl2 was dissolved in 100.0 mL of water, the…

A:

Q: When 5.49 g of a solid mixture composed of NH,Cl and CaClz was dissolved in 100.0 ml of water, the…

A: Given that -  Mass of mixture of NH4Cl and CaCl2 = 5.49 g  Volume of water = 100 mL  Increase in…

Q: A 1.261 g sample of a new organic material is combusted in a bomb calorimeter. The temperature of…

A:

Q: Instant hot packs contain a solid and a pouch of water. When the pack is squeezed, the pouch breaks…

A: The reaction is given below.LiCl (s)  -->  Li+(aq) + Cl−(aq)         ΔH=  −36.9kJHeat of reaction…

Q: 2. A sample of nickel is heated to 99.8°C and placed in a coffee cup calorimeter containing 150.0 g…

A: Nickel  Heat lost by Nickel =q lost  Mass of Nickel = m = ..........? Initial temperature of Ni = T1…

Q: 3. A 135.0 g sample of dilute hydrochloric acid is placed in a copper calorimeter with a mass of 465…

A: Q3) Given that: Mass of HCl sample = 135.0 g Mass of copper calorimeter = 465 g Specific heat…

Q: How much heat evolves from burning 16.4 g of sulfur, S8, in air? S8 + 8 O2 ----> 8 SO2 H rxn=…

A:

Q: A 80.8 g chunk of granite (specific heat: 0.79 J/g°C) is heated to 225.7 °C and dropped into a…

A:

Q: A system gains 20.4 J of internal energy while doing 30.0 J of work. Does heat enter or escape from…

A: From first Law of Thermodynamics , the total change in internal energy of the system can be…

Q: A 1.917 g sample of a new organic material is combusted in a bomb calorimeter. The temperature of…

A:

Q: A 5.1-gram piece of gold jewelry is removed from water at 100.0°C and placed in a coffee-cup…

A:

Q: A 735g sample of metal with a specific heat capacity of 0.282 of J/g•ºC is initially at a…

A: given information - mass = 735 gm specific heat capacity = 0.282 of J/g•ºC  initial temperature =…

Q: A 4.70-g sample of aluminum pellets (specific heat capacity = 0.89 J °C- g) and a 10.00-g sample of…

A: Since the heat lost by both metals will be used in increasing the temperature of the water  Q = mCΔT…

Q: What is the chemical equation for the reaction that corresponds to breaking just the carbon–carbon…

A:

Q: A 87.9 g chunk of limestone (specific heat: 0.22 J/g°C) is heated to 231.9 °C and dropped into a…

A: Mass of limestone (m) = 87.9 g Specific heat of limestone (c) = 0.22 J/g.°C Initial temperature (Ti)…

Q: When 5.28 g of a solid mixture composed of NH4Cl and CaCl2 was dissolved in 100.0 mL of water, the…

A:

Q: 2) A piece of unknown solid substance weighs 437.2 g, and requires 8460 J to increase its…

A: Given that: Mass of the substance, m  = 437.2 g Initial temperature, Ti = 19.3 oC Final temperature,…

Q: Coffee cup calorimetry experiments can be used to obtain DHfo for magnesium oxide. To determine the…

A: In the given question we have to calculate the heat capacity of the calorimeter. by using the…