A 19.5 g piece of titanium [cp=0.523 J/(g•°C)] is heated and the submerged in 1.50 x102 grams of water [cp=4.18 J/(g• °C)] initially at 22.7° C. The final temperature comes to 23.7°C. What was the initial temperature of the Ti metal?

Q: Suppose you have 125 mL of coffee in a well-insulated cup, but the coffee is at 92oC, which is too…

A: Given that:  Volume of Coffee present = 125mL Temperature of Milk = 12°C=12+273=285K Temperature of…

Q: The specific heat capacities of iron, silver, and gold are 0.45 J/g °C, 0.24 J/g °C, and 0.13 J/g…

A: Heat capacity of particular metal means amount of heat absorbed by a gram of  particular metal.

Q: How much heat did a cold water sample absorb if 53.88ml of water initially at 22.2 celcius to 32.5…

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Q: A (5.80x10^1) g sample of water (C = 4.18 J / g ºC) initially is at 30.2ºC. What is the final…

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Q: A 25.0 mL sample of benzene at 19.9 0 C was cooled to its melting point, 5.5 0 C, and then frozen.…

A: Since the heat involved in the process of cooling and freezing a solution is given by  Cooling =>…

Q: A cube of some frozen substance whose mass is 0.067 kg is taken from a freezer, where its…

A: Interpretation -  To determine how much of the substance (in grams) freezes onto the cube when a…

Q: Imagine that a hypothetical life form is discovered on our moon and transported to Earth. On a hot…

A: Amount of heat lost by the extraterrestrial life can be calculated as follows: Q=m×l=5.80×102 g×369…

Q: 2. One way to cool a cup of coffee would be to plunge an ice-cold piece of aluminum inte ie 20.00 g…

A: Decrease in the temperature of coffee's is = 90.0oC-75.0oC = 15oC The heat capacity of coffee is =…

Q: How much energy must be removed from 13.7 grams of gaseous helium in order to decrease the…

A:

Q: 0.26g CH4 are burned and all the heat added to a silver cup with 90g H2O(l) inside. If the water was…

A: The combustion reaction of CH4 is => CH4 + 2 O2 --------> CO2 + 2 H2O Since the ΔH of reaction…

Q: Question 6

A: Given information:Mass of sample = 1.00 kgAmount of heat or energy added to it = 35.0 kJInitial…

Q: Which of the following will use the least amount of heat to increase in temperature by 10 °C? I. 2…

A: I. 2 g Zn (c = 0.387 J/g °C) II. 1 g Pb (c = 0.128 J/g °C) III. 2 g Au (c = 0.126 J/g °C) IV. 1 g…

Q: 3. Which substance will have the greatest increase in temperature when equal masses absorb equal…

A: Aluminium metal will have the greatest temp. when equal mass absorb equal amount of thermal energy.

Q: How much heat energy would be needed to raise the temperature of a 32.0g sample of gold [ C= 0.129(…

A: Given: The mass of sample of gold, ‘m’ is 320 g The specific heat of gold, ‘c’ is 0.129 J/goC The…

Q: A sample of water of unknown mass undergoes a temperature change from 68.09°C to 72.61°C with a…

A: Given, a sample of water of unknown mass. undergoes a temperature change from 68.09°C to 72.61°Cwith…

Q: A slab of iron ( 465g) is removed from an oven and plunged into 375g water in an insulated…

A: Given, Mass of iron, mi = 465gMass of water, mw = 375g(Tw)i = 26oC , (Tw)f = 87oC Cfe = 0.449 J/g oC…

Q: A glass contains 250.0 g of warm water at 78.0°C. A 50.0 g piece of gold at 2.30°C is placed in the…

A:

Q: A cube of some frozen substance whose mass is 0.067 kg is taken from a freezer, where its…

A:

Q: An iron kettle weighing 1.37 kg contains 2.90 kg of water at 27.1°C. The kettle and water are heated…

A: We know the equation for heat energy, Q=mcΔt: [ Where, Q= the heat energy (Joules), m= the mass of…

Q: You want to quickly set up a temporary water bath in your lab with a volume of 10.0 L and a…

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Q: ow much heat is required to raise the temperature of 1.5 x 103 g of water from 45°F to 130.°F? The…

A: Given, mass of water = 1.5 × 103 g Temperature increase from initial temperature, T1 = 45 oF = 7.22…

Q: A bottle contains 905 grams of chloroform, CHCI3, with a specific heat capacity of 0.96 J/(g.°C).…

A: Given :-  m = 905 g  Specific heat capacity (c)  = 0.96 J/(goC)  T1 = 21.0 oC  T2 = 30.0 oC  To…

Q: A student heats 68.15 grams of silver to 98.73 °C and then drops it into a cup containing 78.21…

A: All the information is given in question  Mass of silver and temperature  Mas software water and…

Q: teaauajajavi When ice at 0°C melts to liquid water at 0°C, it absorbs 0.334 kJ of heat per gram.…

A: Given, Heat absorbed for melting of ice to liquid water at 0oC = 0.334 kJ/g = 334 J/g Mass of ice =…

Q: 28.5 g piece of gold is heated and then allowed to cool. What is the nange in temperature (°C) if…

A: According to the question, 28.5 g of gold is heated and then allowed to cool down.  Also, molar heat…

Q: 4. A refrigerator is used to cool 4 litres of soft drink from room temperature (23 °C) to 4 °C. If…

A: Volume of soft drink = v = 4L Density of soft drink = 1015 kg/m3 Temperature initial = 23°C…

Q: A 26.9 g sample of ethylene glycol, a car radiator coolant, loses 671 J of heat. What was the…

A: Given :- mass of ethylene glycol = 26.9 g  Heat lost = 671 J  Final temperature = 32.5°C  Specific…

Q: how many joules does it take to heat a 2.50 g silver (Csilver = 233.0 J/kg C) bracelet from 25.0 C…

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Q: If 34.8 J is required to change the temperature of 10.0 g of mercury by 25 K, what is the specific…

A:

Q: Given: Mass of Gold (g) -51.1557 g Volume of H2O (mL) - 100mL Mass of H2O (g) - 99.8g Initial…

A: Given: Mass of gold = 51.1557 g mass of water = 99.8 g Initial temperature of gold = 200.0 oC…

Q: A cube of some frozen substance whose mass is 0.062 kg is taken from a freezer, where its…

A: This question is related to thermodynamics.  Where heat flow takes place. Using the required…

Q: . How many joules of energy are required to raise the temperature of the water to 45.0 ºC? (The…

A: We will use formula of heat.

Q: joules of energy

A:

Q: the initial temperture was 32.5 degrees celsius, what is its final temperture?  {density of…

A: Given: Initial temperature, T1 is 32.5oC  Density of aluminum is 2.70 g/cm3  Volume of aluminum is…

Q: chemistry professor has a cup of coffee containing 50.0 mL of room temperature coffee at 25.0 °C.…

A: V1= 50ml and density = 1g/ml So mass(m1)= density * volume                   m1 =   (1g/ml)*(50ml)…

Q: 1. How much heat, in joules and in calories, must be added to a 75.3 g chromium block with a…

A: The heat of a solution can be expressed by the following formula Q=mC∆TQ=heatm=massC=heat…

Q: A piece of metal weighing 73.10 g was heated to 99.3°C and then put into 30.00 g of water (initially…

A: The given data : The mass of metal = 73.10 g The temperature of metal = 99.3°C The mass of water =…

Q: A 42.89 gram sample of copper (specific heat, 0.385 J/g•°C) with an initial temperature of 105°C is…

A:

Q: An 80.0 g sample of metal, initially at 96.0°C, is placed into 150. g of water initially at 26.0°C…

A: Interpretation: An 80.0 g sample of metal, initially at 96.0°C, is placed into 150.0 g of water…

Q: A bucket full of water increased in temperature from 25.0 oC to 27.28 oC after absorbing 1,982.32…

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Q: 1. 50.0 g of iron (0.449 J/g°C) at 225 °C and 50 g of gold (0.128 J/g*C) at 25 °C are brought into…

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Q: 4. If 18 grams of Ca(OH), is added to 150 ml of water and there is a temperature change from 25°C to…

A: We have to predict the temperature change.

Q: (Q44) Given that the condensation of 0.495 grams of water on an aluminum block results in the…

A: Mass of water = 0.495g Molar mass of water = 18.02g/mol ∆Hcondensation = -44.0kJ/mol Change in…

Q: Using the data provided, which substance would show the greatest temperature change when 10.0 grams…

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

Q: 5. The specific heat capacity of gold is 0.128 J/g °C. How much heat would be needed to warm 250.0…

A:

Q: A coin dealer offered a rare silver coin, suspected that it might be a counterfeit nickel copy. The…

A: Given,Weight of coin = 17.0 gWeight of water = 29.0 gSpecific heat of nickel, s = 0.445…

Q: water in a container at a temperature of 30 °C. Ciron = 0.444 J/g °C Cwater = 4.184 J/g °C Pwater=1…

A: Mass of iron = 20 g Initial temperature of iron = 120oC Volume of water = 300 mL Initial temperature…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 500.0 mg sample…

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Q: 1 What is the symbol for the enthalpy change that occurs during the phase change of a substance from…

A: We have to tell which option is correct