CAI = 0.22 kcal/kg°C A 0.60 kg length of aluminum wire is warmed by 22.3°C by an electric current. How much heat was generated by the current? kcal

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: A coal-burning power plant generates 9.53 × 1016 J per year. If the coal yields 39.0 kJ/g, how many…

A: Amount of heat generated each year = 9.53 × 1016 J = 9.53 × 1013 kJ Amount of heat generated from 1g…

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: When 33.6 g of aluminum is warmed from 23.0°C to 28.6°C, how many calories of heat does it require?

A: The formula in which the calories will be calculated - Given data, Mass, m = 33.6 g c (Specific…

Q: marshmellow 13.60g 114.87a 7.3c mmarshmel marshmellc 15.005a 112.20g 0.3c Kind of Food 13.831g…

A: To solve for heat change for water and can (kcal) and the heat released by food kcal/g

Q: A 0.37 g Cheeto is burned and the heat produced is used to heat 50 grams of water from 22.1 degrees…

A: Mass of Cheeto=0.37 g Mass of water=50 g Initial temperature =22.1°C  Final temperature=34.4°C…

Q: A chemical reaction occurs and 64.7 cal is transferred to the system. How many joules is this? is…

A: We have to predict nature of reaction and heat in joules.

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: Combustion reactions are exothernic. The heat of reaction for the combustion of cyclohexane, CH2, is…

A: Heat of reaction for combustion of cyclohexane C6H12= 936.8 Kcalmol

Q: When 1.0 g of gasoline burns, it releases 11 kcal of heat. The density of gasoline is 0.74 g/mL. a.…

A: It is given that:Mass of gasoline = 1.0 gAmount of heat released = 11 kcalDensity of gasoline = 0.74…

Q: In the illustration, N is color-coded as blue and O is color-coded as red. ⠀- What kind of change is…

A:

Q: The reaction of hydrogen and oxygen gases produces 18.0 g of water and releases 68.2 kcal of heat.…

A: Endothermic reactions can be defined as the reaction which involves the intake of heat while…

Q: Use the References to access important values if needed for this question. Thermometer When a solid…

A: Number of moles of NH4Br can be calculated as follows,

Q: 9.69 x 10^6 J = ? Kcal

A: Given :-  energy = 9.69 x 106 J  To convert :-  The above energy in Kcal

Q: A 1555 kg car is traveling down the road at 95.4 km/h. While traveling at this rate of speed, what…

A: Given  Mass of Car( m )  = 1555 Kg             Speed( v)  =  95.4 km/h  Kinetic Energy of Vehicle =…

Q: What is the identity of a 100. g sample of metal that, upon absorbing 4680 J of heat, increases in…

A: Required information: Specific heat capacity of Mg =1.020 Jg°C   Specific heat capacity of Al =0.90…

Q: The quantity 26.0 kJ is equal to how many calories?

A: We have energy as 26.0 KJ . We have to convert it to Calorie .

Q: What is the specific heat of 54.8 g of a substance that releases 445 Joules of heat upon cooling…

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

Q: How much heat in kcal must be added to 0.47 kg of water at room temperature (20°C) to raise its…

A: Specific heat :- The amount of heat required to rise the temperature of 1 gram or 1 kg of 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: 3. a. What is the specific heat of a 41.5 g piece of glass, if it takes 17.8 kJ of heat to raise its…

A: (3a) Specific heat of a Substance can be calculated by using Following formula - Q = C M ∆T Here, Q…

Q: A 22.0 g block of copper at 45'C absorbs 2.50 kJ of heat. Given the specific heat of Cu is 0.385…

A: given :-  mass of Cu = 22.0 g  specific heat of Cu = 0.385 J/g°C  initial temperature = 45 °C  heat…

Q: equivalent

A:

Q: If the specific heat of iron is 0.449 J g ° C , how much iron is in your sample if 925 J were…

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: Hydrogen sulfide, H2 S, is produced during decomposition of organic matter. When 0.4300 mol H2S…

A:

Q: When a 0.69-g sample of olive oil is burned in a calorimeter, the heat released increases the…

A: The amount of energy for a particular amount of matter present at specific temperature with specific…

Q: If 1001 J of heat is available, how many grams of iron (specific heat = 0.45 J/g･°C) can be heated…

A: The equation is:

Q: A car whose mass is 5.30 x 10° lb is traveling at a speed of 53 miles per hour. What is the kinetic…

A: Given that : Mass of the car = 5.30 x 103 lbs Speed of the car = 53 miles/hr

Q: What is the specific heat of a substance if 373 J of heat is required to raise the temperature of a…

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

Q: 137 kJ to Calories.

A: Given  Energy =137 KJ

Q: A 68.0 kg person uses 214 kJ of energy to walk 1.00 km. This energy comes from “burning" glucose…

A:

Q: How many joules of energy are needed to heat 15g of water from 5.0 C to 15.0 C?

A:

Q: 900 J of heat are added to a system and 200 J of work are done on the system. What is ∆E?

A: For this problem We have to find the change in internal energy for the given condition.

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 potato chip is burned in an incomplete combustion reaction, and the heat energy is transferred to…

A: The mass of water is determined as follows. mwater=dwater×Vwater=1.00 g/mL×150 mL=150 g

Q: a person uses 530 kcal on a walk around campus. Calculate the energy used for the walk in joules.

A: For the conversion to kilocalories to the joles we use the relation as  1kcal = 4,184 J So, by using…

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: Perform the conversions between energy units. 633 kJ = 2325 kcal %3D kJ 9.01 x 10 J = kcal

A:

Q: When 1 g of water evaporates, the organism gives off 0.58 kcal of heat. At a comfortable…

A: Given: 1 g of water gives 0.58 kCal of heat. Rate of water evaporation = 35 m/h density of water = 1…

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: What is the heat joules required to raise the temperature of 25 grams of water from 0 degree C to…

A: We have to calculate the heat in joules and calories require to raise the temperature of water.…

Q: A particular frost-free refrigerator uses about 790 kWh of electrical energy per year.   - Express…

A: Given, 790 kWh of electrical energy per year. convert from kilowatt-hours to kilojoules (kJ). =790…

Q: A water heater contains 60 gal of water. How many kilowatt-hours of energy are necessary to heat the…

A: Conversion of the units of volume from gallon to mL: The mass of water can be calculated as given…

Q: 8.0-kg rock is dropped from a height of 3.0 m. At what height is the rock's kinetic energy twice its…

A: As we know potential energy =mgh

Q: A 2.9-g sample of rice is placed in a calorimeter. When the sample is burned, 23 kJ is given off.…

A: Given:- 2.9 g rice on burning gives 23 kJ energy.                            2.9 g gives=> 23 kJ…

Q: A 40 g sample of water is raised 10 celcius, with water having a specific heat of 4.184 J/g*C, what…

A:

Q: 139 kJ to Calories

A: Given: Energy  = 139 kJ convert into calories.

Q: A typical candy bar contains 281 food Calories, which is 281 kcal. How many kilojoules are contained…

A: Given that : Energy provided by one candy bar = 281 kcal. We have to calculate the kilojoules of…