Data Mass of water: 100.3767g Initial mass of food: 0.0931g Initial temperature of water: 23 degree Celsius Final temperature of water: 30 degree Celsius Final mass of food: 1.9789g Questions 1) calculate the heat absorbed by water in calories and in Calories 2) calculate the heat released by food in Calories and in Calories/gram

Q: A 29.8 g sample of water at 4.7 "C is mixed with 52.5 g of water at 74.8 "C. Calculate the final…

A: we need to calculate the final temperature of the mixture

Q: One mole ammonium nitrate dissolves in water to produce aqueous ammonium ions and nitrate ions,…

A: Thermochemical equation of one mole of ammonium nitrate dissolves in water to be determined.

Q: Given the following reaction   How many grams of C(graphite) must be burned to release 275 kJ of…

A: C(graphite) + O2(g) → CO2(g)  ∆H° = –393 kJ  From this given reaction we get that ; When 1 mol…

Q: A scientist developed a new metal alloy for use in cookware. The alloy has several properties that…

A: Given: The mass of alloy, (m1) = 11.66 g. The mass of water, (m2) = 50 g. The initial temperature of…

Q: Yeong determined the AT for their 62.9874 g metal cylinder was -69.4 °C. They also determined that…

A: Given: For metal:mass, m1=62.9874gchange in temperature, ∆T1=-69.4∘C  { -ive sign means heat is lost…

Q: Metal Specific Heat Aluminum 0.897 J/(g°C) Magnesium 1.02 J/(g°C) Tungsten 0.134 J/(g°C) Silver…

A: Given Mass of aluminium = 43.6 g initial temperature of aluminium = 82.4°C initial temperature of…

Q: stion 7 of 24 <. The specific heat of a certain type of metal is 0.128 J/(g.C). What is the final…

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Q: What is the specific heat capacity of a substance if it takes 8.7 kJ of heat to warm 484.4 g by 39.1…

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Q: How much heat (in kJ) is released when 170 grams of CH4 is burned with 2000. grams of O2? If the…

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Q: A 10.0 g piece of metal is initially at 100.0°C. It is dropped into a coffee cup calorimeter…

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Q: Multiple Choice: The value of ΔH0for the reaction is -6535 kJ.  What is the heat released in the…

A: Thermodynamic is the branch of chemistry that mainly deals with the heat transfer between system and…

Q: State the liquid listed in Table 2.5 that is the worst conductor of heat.

A: The matter is something that occupies space and has some mass. The particles in a matter are…

Q: Statement A: Specific heat is an intensive property. Statement B: Heat capacity is expressed in…

A: Specific heat is defined as the required amount of energy to increase the temperature of one gram of…

Q: Identifying and Calculating Energy ChangesSample Exercise 1.4Determining Density and Using Density…

A: Energy is the capacity of doing work.

Q: Be sure to answer all parts. What is the heat change when 81.8 g of water cools from 84.0°C to…

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Q: Part A It takes 47.0 J to raise the temperature of an 12.0 g piece of unknown metal from 13.0°C to…

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Q: A metal sample weighing 126.00 grams and at a temperature of 96.2 degrees Celsius was placed in…

A: The heat gained by water can be expressed as:

Q: mass

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Q: A student wishes to determine the heat capacity of a coffee-cup calorimeter. After she mixes 107 g…

A: Given mass of water added to the coffee-cup calorimeter(ma) is 107 g and initial temperature(tai) of…

Q: A bomb calorimeter, or a constant volume calorimeter, is a device often used to determine the heat…

A: Mass of nonanedioic acid  = 0.8568 g Mass of water = 1386 g Initial temperature = 24.32oC Final…

Q: 18. Identify both spectator ions in the following balanced thermochemical equation. Show their ionic…

A: Spectator ions in the given equation are to be identified. Given: HCl + KOH →H2O + KCl + heat…

Q: 21. What process transfers thermal energy from the surroundings to the system? Group of answer…

A: Isothermic process is a process where temperature  is constant.

Q: Question 4 (1 point) A 102.3-g sample of vodka is burned with excess oxygen in a bomb calorimeter…

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Q: Determine the specific heat of the metal from the following data: Mass of metal (g) = 32.5g…

A: Calorimetry is used to measure the change in the state variables such as temperature of a specie in…

Q: calculate the heat change when 25.2  grams of water is cooled from 15 degrees celcius to -25 degrees…

A: the process of cooling will involve the below steps. 1) heat change in cooling liquid water from 15…

Q: ASapling Learning Metal: Gold Au 0.0000 g Add water to the cup and heat a block of metal. Use the…

A: The heat transferred during the reaction can be determined from the given equation. The temperature…

Q: Calculations for the Specific Heat for an Unknown Metal   Trial 1 Trial 2 Mass of unknown metal (g)…

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Q: The specific heat of a certain type of metal is 0.128 J/(g.°C). What is the final temperature if 305…

A: The formula of heat gained is as follows,                          ∆E=m×c×∆T…

Q: A volume of 115 mL of H₂O is initially at room temperature (22.00 °C). A chilled steel rod at 2.00…

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Q: DATA Mass of iron 64.8973 g Mass of water 61.9272 g Initial temperature of iron (boiling water Tm)…

A: The solution is given below -

Q: Record experiment data from the video by completing the table below. Calculate the specific heat the…

A: Given Information - For Metal  mass of Cadmium = 58.953 g initial temperature = 100.0o C final…

Q: When 100 cal (418 J) of heat is applied to a 125 g sample, the temperature increases by 28 oC.…

A: The question is based on the concept of specific heat capacity.   amount of heat required to raise…

Q: A chemical reaction is performed in a solution with a mass of 125.0 g, a specific heat of 4.184…

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Q: Given the balanced thermochemical reaction shown below,  assuming enough of both reactants are…

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Q: The molar heat of combustion of a compound is 1,408 kJ/mol. If 0.600 moles of this compound was…

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Q: 5) A student wants to know the number of food Calories in their favorite snack. They burn their…

A: Mass of water (M) = 200 g Initial temperature (Ti) = 25 oC Final temperature (Tf) = 45 oC Specific…

Q: A chemical substance has a specific heat of 0.897 J/g. If 25.0 g of this substance is heated from an…

A: The given chemical substance has a specific heat of 0.897 J/g. If 25.0 g of this substance is heated…

Q: Name (please print): Heat Capacity of an Unknown Metal Post Lab Questions 1.) When determining the…

A: Note:-  Since you have asked multiple question, we will solve the second question for you. If you…

Q: Initial Final A student dissolves 8.00 g of NH4N03(s) in 100. g of H2O(I) in a coffee-cup…

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Q: Aluminum (AI) Mass of metal (g) 7.18 g Volume of water (mL) 100 mL Mass of water (g) 99.8 g 25.01 C…

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Q: Identifying and Calculating Energy ChangesSample Exercise 1.4Determining Density and Using Density…

A: SOLUTION: Step 1: (a). We can calculate the amount of energy released from the propane as heat by…

Q: Following the procedure in lab, a student heated their 13.933 g metal sample to 100.0 ∘ C. The metal…

A: Given:Mass of metal=13.933 gMass of water=27.324 gInitial temperature of metal=100 degree…

Q: e of unknown metal Mass of cup and water:                            170.54 g Mass of cup:…

A: The heat gained or released by a substance is guided by the following formula-q=mc∆Tm is mass of…

Q: In joules, how much heat is released when 40.0 g of Ag cools from 191. degrees C to 129. degrees C?…

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Q: Use the heat equation to calculate the energy or calories lost when (8.8x10^1) g of water cools from…

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Q: Part A 75.0 mL of H,0 is initially at room temperature (22.0° C). A chilled steel rod at 2.0° C is…

A: Given, volume of water = 75 ml  We know density of water is 1g/ml  So mass of 75 ml water = 75 g…

Q: 40. Gloves are often worn to protect the hands from being burned when they come in contact with very…

A: According to the question, we have a table with different material and their specific heat.

Q: A silver block, initially at 51.0 °C, is submerged into 100.0 grams of water at 25.3 °C in an…

A: q = m c ∆T q = Heat change in the reaction m = mass c = specific heat Ti = initial temperature Tf =…

Q: Trial  1: Goldfish Mass of Empty Can (g) 12.715 g Mass of Can + Water (g) 112.831 g Mass of water…

A: heat absorbed/released in a calorimetry  q = m*c*dT where  q is heat released or absorbed m is mass…

Q: 40. Gloves are often worn to protect the hands from being burned when they come in contact with very…

A: Given data set: Mass of glove = 86.2 grams Increase in temperature= 25.9 F = 14.36 C Heat absorbed=…