A 3.50-g sample of rice is burned in a bomb calorimeter with a heat capacity of 8.29 kJ/°C. The temperature of the water increases from 23.15°C to 29.28°C. How much heat, in joules, did the rice sample release when it burned?

Q: A sample of metal weighing 9.323 g was heated to 99.15 °C. It was then placed in a calorimeter…

A: Given data, The mass of water = 35.5 g The mass of metal = 9.323 g The initial temperature of  H2O =…

Q: If 87 J of heat are added to a balloon, causing it to expand from 1.0 L to 1.4 L under 0.97 atm of…

A: Given: Required heat = 87 J Initial volume = 1.0 L Final volume = 1.4 L External pressure = 0.97…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 194.0 g sample…

A: Mass of sample = 194 gram Initial temperature = - 8.3℃ Final Temperature , T2 = 4.5 ℃ Change in…

Q: What is the specific heat of a 1,500.00 gram sample of wood that absorbs 67,500 Joules of heat…

A: The given data contains, mass = 1500 g. Heat = 67500 Joules.

Q: If 4.0 grams of water at 1ºc absorbs 33 joules of heat, what will be the change in temperature of…

A: Given,Mass of water= 4gTemperature = 1 degree Celsius.Heat = 33J

Q: A container filled with 7.81 kg of water underwent a temperature change from 24.19 "C to 28.08 °C.…

A: The amount of heat required to one gram of  substance to raise  the temperature of one degree…

Q: How much heat (J) must be added to a 50.0 g sample of zinc if the temperature increases from 20'C to…

A: q = mc∆T  q is the amount of heat energy  m is the mass of substance  c is the specific heat…

Q: A 75.0 gram sample of a metal is heated until it is at 100.0℃. A calorimeter contains 100.0 grams of…

A: Given that : Mass of sample of the metal (ms)= 75.0 g Its temperature = 100°C Mass of water in the…

Q: A 55-gram aluminum spoon (specific heat 0.88 J/g°C) at 54°C is placed in 150 mL of coffee at 105°C…

A:

Q: How much heat is needed to raise the temperature of 91.0  g of water from 34.0 °C to 98.0 °C?

A: Mass of water, m =91.0  g Initial temperature, T1=34.0 °C Final temperature, T2=98.0 °C Specific…

Q: A 789.0 g of water is placed in a freezer. The temperature of water changes from 30.5 degrees…

A: Given : mass = 789.0 g Initial temperature (T1) = 30.5 degree Celsius Final temperature (T2) = 0…

Q: Chargers for cell phones get warm while they are being used. Some of the energy that they are using…

A: The total energy required to charge a cell phone is equal to the energy a cell phone battery needs…

Q: True or False? If 25 grams of hot water are added to 35 grams of cold water, the heat lost by the…

A: The given statement is TRUE here

Q: When a 1.25 kg sample of water was heated in a kettle, its temperature increased from 16.4°C to…

A: Given: Mass of water = 1.25 Kg = 1250 g.                                         (Since 1 Kg = 1000…

Q: How much heat will be absorbed by a 43.1g piece of aluminum as it changes temperatures from 23…

A: The heat capacity of a chemical substance is the quantity of heat required to increase temperature…

Q: A chemist placed a 1.195 g sample of fuel in a bomb calorimeter which was immersed into 2.00 L of…

A: The mass of the fuel sample is = 1.195 g The increase in the temperature of the water is = 20.1oC to…

Q: 100% 2. a. A sample of water with a mass of 23.31 g and an initial temperature of 367.67 K loses…

A: I  Answerd question 2 and it's all part ,  please post next question separately.

Q: What is the specific heat of aluminum if the temperature of a 28.4 g sample of aluminum is increased…

A: The specific heat of a substance is defined as the amount of heat required to raise the temperature…

Q: 1. The temperature of a 98.7 g piece of metal increases from 17.0 °C to 31.0 °C when the metal…

A: Note: Since you have posted a question with multiple independent parts, we will solve first part for…

Q: How much heat is required to raise the temperature of 55 grams of water from 16 degrees Celsius to…

A:

Q: It takes 45.0 J to raise the temperature of an 11.8 g piece of unknown metal from 13.0∘C to 24.5 ∘C.…

A: The specific heat capacity for a given substance refers to the amount of heat that is needed to…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a  1.80kg…

A: The question is about calculating the Specific Heat Capacity of the Substance. Firstly, let's write…

Q: 5) A 70.0-g piece of metal at 80.0 °C is placed in 100 g of water at 22.0 °C contained in a…

A: Introduction: Specific heat of a substance is defined as the heat required by the unit mass of…

Q: A coal-burning power plant generates electrical power at a rate of 450 megawatts (MW), or 4.50 x 108…

A: Heat is that energy which is transferred from one body to another which creates difference in…

Q: How many grams of water would require 2200 joules of heat to raise its temperature from 34°C to…

A: q = mc∆T   q = heat energy  m = mass of water  c = specific heat of water  ∆T = change in…

Q: Knowing that liquid water has a much higher specific heat capacity than the metal lead, which sample…

A: Q = m . s . ∆T Where, Q = heat absorbed; m = mass of substance; s specific heat capacity and ∆T =…

Q: how many joules of energy are released when 100.0 g of water cools from 98 degrees Celsius to 30° c…

A:

Q: A 25.0 g sample of silver metal was heated to 170 degrees C and then placed in a calorimeter holding…

A: Given: Mass of silver metal = 25.0 g The initial temperature of the metal= 170°C Mass of water= 50.0…

Q: If a 45 g mass of water goes from 25.0 ∘ C to 75.0 ∘ C, how much heat energy in kilojoules (kJ) has…

A: The water is consists of specific heat which is absorbed in reaction. The boiling point of water is…

Q: It takes 3.89x10* BTU of energy to heat a typical house, with an area of 2370 square feet, for a…

A: BTU represent the British thermal unit, while kJ represents kilojoules. These are the units of…

Q: You add 7000 J of heat to a piece of iron and you observe a temperature rise of 24.0 ∘C. What is…

A: Given that : Amount of heat added to the iron (q) = 7000 J Temperature rise ∆T = 24°C The specific…

Q: How much heat is required to raise the temperature of 25g of water from 25.0°C to 30.0°C? The…

A: Mass of water, m = 25 g Specific heat of water, Cs = 4.184 J/g °C Initial Temperature, Ti = 25 °C…

Q: With this information and the specific heat of water, 4.184 J/(g·°C), calculate the specific heat,…

A: Given,  The specific heat of gold metal,  when 38.600 g Au metal at 65.17 °C added to 60.00 g of…

Q: An iron can weighing 50 grams absorbs 256.0 J of heat and warms by 11.4°C. What is the specific heat…

A: The given data contains, mass =50 g which absorbs 256 J. Temperature change =11.4°C

Q: A beaker of hot water with a volume of 43.9 mL has an initial temperature of 94.3 °C. You place a…

A:

Q: A 500-mL bottle of water at room temperature and a 2-L bottle of water at the same temperature were…

A: Heat gained or lost,  Q = mCPΔTΔTFrom the above equation it is clear that the heat lost or gained…

Q: Calculate the specific heat capacity of a piece of wood if 1500.0 g of the wood absorbs 67,500…

A: Interpretation: The specific heat capacity of a piece of wood if 1500.0 g of the wood absorbs…

Q: Calculate the amount of heat required to raise the temperature of an 91g sample of water from 39 ∘C…

A: The heat required to raise the temperature of a substance can be expressed as:

Q: Exactly 385 J will raise the temperature of 76 g of a metal from 15.7oC to 50.9oC. What is the…

A: The given data: The mass of metal is 76 g The temperature of metal raises from 15.70C to 50.90C…

Q: To determine whether a shiny gold-colored rock is actually gold, a chemistry student decides to…

A: Given information: Mass = 4.9 g Heat required = 54.4 J Initial temperature = 25 oC Final temperature…

Q: The temperature of a 16.2g sample of gold increases from 20.5°C to 30°C. If the specific heat of…

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

Q: 27-gram piece of metal at 144  oC is dropped into 86 grams of water at 29 oC.  The water temperature…

A:

Q: A coffee cup calorimeter, including that water it contains, has a heat capacity of 425 J/K, and is…

A: Formula: q = C × ∆T where , q = heat  C = Heat Capacity ∆T = Change in temperature   The Heat lost…

Q: If the same amount of heat is applied to 10 grams of the following four materials, which will reach…

A: The heat capacity of the substance can be given as -  Q = MC∆T  Where -  Q = heat absorbed or…

Q: 5. A system compresses when 457 J of work was done on it at the same time it decreases it energy to…

A: Given,  A system 457 J of work done when it compresses, at the same time it decreases energy to 234…

Q: If 4.168 kJ of heat is added to a calorimeter containing 75.40 g of water, the temperature of the…

A:

Q: A 15.0-mL sample of benzene at 21.3 °C was cooled to its melting point, 5.5 °C, and then frozen. How…

A: Given, density of benzene = 0.80 g/mL Volume of the solution = 15.0 mL  Mass of benzene = Density x…

Q: 10. It took 4.15 x 103 J of energy to raise the temperature of a piece of copper metal from 31°C to…

A: We have to calculate the mass of metal.