when 20 grams of salt is dissolved in 95 grams of water, the temperature of the solution decreases from 40 celsius to 0 celsius. how much heat is absorbed? the specific heat solution is 1.1 cal/g celsius

Q: If the specific heat of a solution is 4.18 J/goC, and you have 161 mL (1.03 g/mL) which increases in…

A: Mass of solution in grams is determined as follows,

Q: Convert the heat of neutralization of acetic acid from -52.2 kj/mmol to calories per %3D millimole…

A: The heat of neutralization of acetic acid  = - 52.2 KJ /mmol We know ; 1 Kilo Joules  = 1000 Joules…

Q: What is specific heat ? O The study of heat changes that accompany chemical reactions and phase…

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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: A 100 g piece of metal is heated to 500°C before being submerged in 2 liters of water at 25°C. If…

A: Given: mass of metal = 100 g Initial temperature of metal = 500 oC Volume of water = 2 L = 2000 mL…

Q: How many Joules are there in 2001 calories? (1 cal = 4.18 J)

A: Unit conversion is done by using common measurement units.

Q: The initial temperature of a 22-g sample of copper is 25°C. If the sample absorbs 236 J of heat,…

A: Provided initial temperature of copper(T1) =25°C Let final temperature of copper=T2 Absorbed heat…

Q: How many Kcal of heat is needed to increase the temperature of 800 grams water having   temperature…

A: We use the following formula, Q=mc∆t where m =mass of substrate                          C=specific…

Q: What is the specific heat of an object that goes from 25.2 Celsius to 31.4 Celsius Celsius when it…

A: Given: Amount of heat absorbed = 250 cal. Initial temperature = 25.2 oC Final temperature = 31.4 oC…

Q: 24.0 g of metal at 78.3°C is cooled to 12.4°C and produces 194 J of heat. What is the specific heat…

A: Mass of substance M = 24.0 g  Initial temperature = 78.3 °C  Final temperature = 12.4°C  Heat…

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: Knowing that its specific heat capacity is 1 calorie/(g•°C), how much would the temperature of 16.0…

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

Q: 4.33g sample of an unknown salt (MM=116.83g/mol) is dissolved in 150.00g water coffee cup…

A:

Q: What is the specific heat of a 41.5g piece of glass, if it takes 17.8 kJ of heat to raise its…

A: ∆H = mS∆T  ∆T = 68.5 - 20 = 48.5 °C

Q: 175 g of water was heated from 15°C to 88°C.  How many kilocalories (kcal) of heat were absorbed by…

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Q: when 20 grams of salt is dissolved in 95 grams of water the temperature of the solution decreases…

A:

Q: If 44.8 kJ of heat were added to 166 g of liquid water (specific heat of 4.184 J/g °C) at 18 °C, how…

A:

Q: A 217.3 g water bath is heated to 99.7 ˚C from 22.5 ˚C.  How much heat was absorbed by the water, in…

A: Given, mass of water =217.3 g initial temperature, Ti=22.5 °C final temperature, Tf=99.7°C specific…

Q: What is the final temperature if 21.9 kJ of heat is added to 84.1 grams of water at 24 degrees…

A:

Q: The temperature of a sample of copper increased by 24.7 °C when 275 J of heat was applied. Substance…

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

Q: Determine the final temperature of a 32.3 mL salt solution initially at 21.05ºC when 1.93 kJ of heat…

A: Volume of solution(V) = 32.3 mL Density of solution(d) = 1.235 g/mL Mass = V × d   = 32.3 × 1.235 =…

Q: If the specific heat of water is ca increase the temperature of 75 g of water by 30 °C? 1gx1°C» how…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: equivalent

A:

Q: A. Specific Heat Metal Mass of metal: 58.9530 Original temperature of water: Original temperature of…

A: Temperature loss of metal = [ 100-25] =75 0C Specific heat of metal = 0.285 J/g 0C

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

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Q: On a hot sunny day, you get out of the swimming pool and sit in a metal chair, which is very hot.…

A: The amount of heat required to increases the temperature of the 1 g of the substance by 1 degree is…

Q: A solution is made by mixing 197.3 g of ethanol initially at 10.5°C with 250.0 g of water initially…

A: We know that, according to the law of conservation of heat energy, energy gained or loss by the…

Q: 9.  If 14.5 kJ of heat were added to 485 g of liquid water, how much would its temperature…

A:

Q: How much energy (in Calories, ie. kcal) was produced by burning the Goldfish?  (Specific Heat of…

A: Mass of water = 100.116 g Change in temp. = 5.1°C = 5.1 K Specific Heat Capacity of water = 4.184…

Q: Given that 158.05 g of solution increased in temperature by 4.82 "C. how much heat was gained by the…

A: Given that: Mass of solution=158.05grams Change in temperature=4.82°C Specific heat of…

Q: The temperature of a sample of silver increased by 22.9 °C when 255 J of heat was applied. Substance…

A:

Q: Is the solution of ammonium chloride in water an exothermic or endothermic process.

A: When ammonium chloride is dissolved in water, it produces an endothermic reaction, i.e. energy is…

Q: A 275-g sample of a metal requires 10.75kj to change its temperature from 21.2°C to its melting…

A: Specific heat of a substance is given by, c=qm×ΔT Here, q is the heat required (in joule) to change…

Q: Because water has such a high specific heat capacity, it heats and cools more slowly than land. How…

A: Given that,

Q: 50 g of copper is heated to increase its temperature by 10° C. If the same quantity of heat is given…

A: Given: The mass of copper (Cu) is 50 g The increase in temperature of copper is 10oC The mass of…

Q: 1) A sample of iron with a mass of 10.0 g changed its temp. from 50.4°C to 25.0°C with the release…

A:

Q: If 1369 J of heat are released when 156 g of silicon cools from 37.5 oC to 2.50 oC, what is the…

A: Amount of heat released = 1369 J Amount of heat released (∆H) -1369 J Negative sign indicates heat…

Q: Assume that 1 gram of liquid water is at a temperature of 20°C. How many calories (or joules) of…

A: The amount of heat required to increase the temperature of one kilogram of a substance by one degree…

Q: When 20 grams of a salt is dissolved in 95 grams of water, the temperature of the solution decreases…

A: Given, mass = 20 grams + 95 gram = 115 gram ∆T=T2 - T1      = 30-40       =-10 oC c = 1.1cal/g oC ∆Q…

Q: An 8.29 g sample of calcium carbonate [CaCO3(s)] absorbs 50.3 J of heat, upon which the temperature…

A: Mass of CaCO3 = 8.29 g Amount of heat absorbed = 50.3 J Specific heat of CaCO3 can be calculated as…

Q: What is specific heat of liquid water?

A: Specific heat: The amount of heat energy required to raise 1 g of substance by one degree Celsius.

Q: If 14.5 kJ of heat were added to 485 g of liquid water, how much would its temperature increase?

A: The increase in temperature of a substance with respect to the quantity of heat transferred depends…

Q: If you drop a 150 gram piece of metal that has a temperature of 125 Celsius into 1000 grams of water…

A: In the given problem, heat (Q) can be determined by using the formula given below as; Q=m C∆T Where,…

Q: How much heat must be absorbed by 375 grams of water to raise its temperature by 25° C? Specific…

A: Given, mass = 375 g  Specific heat, c = 4.184 J/g°C  Heat = ?

Q: The temperature of a sample of aluminum increased by 24.6 °C when 255 J of heat was applied.…

A: Given: Heat required = 255 J Change in temperature = 24.6oC Heat capacity of aluminum = 0.903 J/g oC

Q: Given the specific heat of some metals and water:- Substance Aluminum Lead Silver Tin Water(1) Zinc…

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: 78.50 grams 2.30 C 105 cal (2) (3) Mass of Metal B ATemperature Heat lost/gained by Metal B Specific…

A:

Q: Copper is used in building integrated circuits, chips, and printed circuit boards for computers.…

A: The given data: The heat absorbed by the copper = 228 J The mass of the copper = 125.0 g The initial…

Q: If 57600 J of energy were absorbed by 250. g of water at 0.0 ̊C, what would be the final…

A: