The specific heat of an unknown liquid is 0.32 J/kg K. The density of the liquid is 0.0321 g/ ml. If a chemist applies 243 J of heat to 300 ml of this liquid starting at 27.1 C, what is the final temperature? *

Q: If 150 grams of water is heated from 20°C to 30°C , what is the number of joules of heat energy…

A: Specific heat ( s ) :-  The amount of heat required to raise the temperature of one gram of a…

Q: A backpacker wants to carry enough fuel to heat 2.0kg of water from 25 degrees C to 100.0 degrees C.…

A: Given,Mass of water = 2.0kgInitial temperature = 25 degree CelsiusFinal temperature = 100 degree…

Q: 3. What is the heat change when 55.0 g of water cools from 60.0 degrees Celsius to 25.5 degrees…

A:

Q: If 20.0 g of copper cools from 35.0°C to 32.8°C and loses 38.6 Joules of heat, what is the specific…

A:

Q: If the temperature of a 95.00 g sample of Iron started at 36.0°C and ended at 58.0°C, how much heat…

A: Solution:    Specific heat is defined as the amount of heat required to raise the temperature of a…

Q: The temperature of a 95.4 g piece of copper decreases from 48°C to 25°C when the copper releases 849…

A: The amount of heat required to increase the temperature of 1 gram of a substance by 1 degree Celsius…

Q: How much heat, in units of Joules, is needed to warm 667.7 g of copper from 17 °C to 59 °C? The…

A:

Q: The specific heat of iron is 0.11 cal/g °C. Assuming that no heat is lost during the experiment,…

A: Given , Specific heat of iron ( s1 ) = 0.11 cal/g °C Mass of iron ( m1 ) = 30.0 g Initial…

Q: 79. If 89 J of heat are added to a pure gold coin with a mass of 12 g, what is its temperature…

A: Specific heat of gold, s = 0.13 J/g°C Heat, q = msΔT        89 = 12 x 0.13 ΔT       ΔT = +57.05°C…

Q: How many milliliters of water at 23 °C with a density of 1.00 g/mL must be mixed with 180 mL of…

A: Heat flow from high temperature to low temperature

Q: 4 PCI3(g) + 1207 kJ → P4(s) + 6 Cl2(g) A) Endothermic, heat is produced B) Endothemic, heat is…

A: Given, a chemical reaction as follows,4PCl3(g)+1207 kJ→P4(s)+6Cl2(g)we are asked to classify the…

Q: It takes 770 joules of energy to raise the temperature of 50.0 g of mercury by 110-C. What is the…

A: Given  Heat q = 770 Joule Mass of mercury m = 50.0 g Temperature change ∆T = 110oC specific heat of…

Q: The specific heat of Uranium is 0.12 Joules / Uranium x Celcius. Convert the specific heat of…

A: Given :  Specific heat of  uranium = 0.12 Joules / gram x Celsius

Q: An amount of food is burned and releases 3600.0 of calories of energy. What mass of water can be…

A: The energy released by the burning of the food is = 3600.0 calories The change in the temperature of…

Q: The specific heat of a certain type of cooking oil is 1.75 cal/(g ·°C). How much heat energy is…

A: To raise the temperature by 1∘ Celsius of a particular substance then for this a certain amount of…

Q: If 2500 cal of heat are absorbed by 150 grams of water that is initially at 23°C, what is the…

A: Given, mass of water = 150 g  Initial Temperature , Ti = 23°C  Tf = ?  Heat absorbed = 2500 Cal

Q: What is the specific heat of an object that weighs 15 g and changes temperature from 30°C to 37°C…

A: Data given: Mass of an object, m = 15 g Heat, q = 50 J Initial temperature, T1 = 30 °C Final…

Q: A piece of metal with a specific heat of 0.57 J g-1°C-1 at 1188 °C is dunked into a beaker…

A: Given,  Mass of water = Volume × density      = 369.7 × 1 = 369.7 g Heat capacity of metal(sm) =…

Q: Mercury, with a freezing point of -38.8°C, is the only metal that is liquid at room temperature. How…

A: Given that,  Volume of mercury = 1.60 mL Mass of mercury m = density×volume          = 13.6 × 1.60 g…

Q: A certain physical process requires 36.00 kilojoules (kJ) of heat.  Convert this quantity to…

A: Given : Energy in KJ = 36.00 KJ

Q: What is the specific heat of an object that weighs 15 grams and changes temperature from 30 degrees…

A:

Q: When 417 J of heat are added to 35.0 g of vinegar at 27 degrees Celcius, the temperature increases…

A: Specific heat is the amount of heat needed for one gram of a substance to increase its temperature…

Q: The specific heat of aluminum is 0.897 J/goC. How many joules required to heat 22 grams of aluminum…

A: Specific heat of aluminium = 0.897 J/g.°C  Mass of aluminium = 22 grams  Initial temperature = 21.0…

Q: Copper wires used to transport electrical current heat up because of the resistance in the wire. If…

A: Explanation Heat capacity Multiplying the mass of a specific substance with its heat capacity and…

Q: A piece of metal weighing 59.6 g with a specific heat of 0.59 Jg1°C-! at 1197.5 °C is dunked into a…

A: When the hot metal is dunked into the water, the heat is released by the metal and the equal heat is…

Q: A 49 kg sample of water absorbs 358 kJ of heat. If the water was initially at 28.4 ∘C, what is its…

A: The final temperature is calculated using the given formula,

Q: How much heat, in units of Joules, is needed to warm 647.2 g of copper from 40 °C to 82 °C? The…

A: q = mc∆T q = heat  m = mass of copper  c = specific heat of copper  ∆T = change in temperature

Q: How many joules of heat are required to heat 125 g aluminum from 19 degrees C to 95.5 degrees C?

A: Given information:Mass of aluminum = 125 gInitial temperature = 19 ˚CFinal temperature = 95.5…

Q: A backpacker wants to carry enough fuel to heat 2.4kg of water from 25 C to 100.0 C. If the fuel he…

A: Given: Mass of water= 2.4 kg Initial temperature= 25 C Final temperature= 100.0 C

Q: Copper wires used to transport electrical current heat up because of the resistance in the wire. If…

A:

Q: How many joules of energy are needed to heat 7g of water from 105.0 C to 110.0 C?

A: With the help of the specific heat capacity of a substance,  mass and temperature change conversion…

Q: Question 84

A: Specific Heat is defined as the amount of heat required to raise the temperature by one-degree…

Q: A typical recipe for a hot toddy (a drink often used as a cold remedy) is to mix hot water with…

A: Given, The amount of energy absorbed by 16 oz. of water is 33 kcal. The amount of hot water mixed…

Q: The specific energy and density of gasoline is -47.3 MJ/kg and 716 kg/m3, respectively. What is its…

A: Specific energy: It is the energy required for one unit of mass. Energy density: The amount of…

Q: Question 98

A: The specific heat capacity of Aluminium is 0.9 J/gm K And since the temperature in K is given by…

Q: The freezing point of mercury is -38.8 °C. What quantity of energy, in joules, is released to the…

A:

Q: what is its final temperature?

A:

Q: How much heat, in joules and calories, is needed to heat up 253 mL of water from 13.3 °C to 85.2 °C?…

A: Given : Volume of water = 253 mL Density of water = 1.00 g/mL Initial temperature of water = 13.3 °C…

Q: A)   An iron nail with a mass of 12 gg absorbs 15 J of heat. If the nail was initially at 30 ∘C,…

A:

Q: How much heat is required to warm 1.60 kg of sand from 24.0 degree Celsius to 100.0 degree Celsius?…

A: The answer is given as follows

Q: How many joules of heat are required to heat 65 g lead from 22.0°C to 98.5°C?

A: The given mass of lead is 65 g. The specific heat of lead is 0.128 J/g °C. The given temperature…

Q: If the specific heat of iron is 0.460J/g°C, how much heat is needed to warm 50.0g of iron from…

A: Mass of Iron, m = 50 g Specific heat of Iron, Cs = 0.460 J/g °C Initial Temperature, Ti = 20°C Final…

Q: How many kilocalories of heat (energy) would it take to heat 141.0 g of water from 23.0 °C to 85.0…

A: Given How many kilocalories of heat would it takes to heat 141.0g of water from 23.0 °C to 85.0 °C?

Q: Calculate the specific heat of an unknown metal if a 32.5 g sample loses 328 J of heat when it cools…

A:

Q: The initial temperature of a 12-g sample of copper is 25 °C. If the sample absorbs 226 J of heat,…

A: Mass of Copper =M= 12 gInitial Temperature of copper = Ti = 25°CHeat absorbs =q = 226 JSpecific heat…

Q: The energy released as heat by a 207g metal as it cools down its temperature by 72 C is utilized to…

A: Given that, The mass of the metal is m1 = 207 g, The mass of the water is m2 = 305 g, The specific…

Q: What is the specific heat of an unknown matter if a 20.00 kg of it released 300000.0 J of heat to…

A:

Q: If the temperature of a sample of water requires 3.2 kJ of heat to raise the temperature from 26.1°C…

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