energy (J) A B I This graph shows an ○ Endothermic ○ Exothermic reaction.

Q: Is the specific heat capacity of a substance an intensive or ex-tensive property? Explain.

A: Specific heat capacity:

Q: What is the unit of energy now used in the metric system? Give both name and symbol.

A: Unit of energy in metric system is to be accomplished.

Q: 46 g of aluminum from 32 degrees celsius to 55 degrees celsius. What is the heat in cal?

A:

Q: If 1001 J of heat is available, what is the mass in grams of iron (specific heat = 0.450 J/g･°C)…

A: Given Heat ( Q ) = 1001 Joule  Specific heat ( s ) = 0.450 Joule/gram℃  Initial temperature ( T1 ) =…

Q: A 3,000 kg car accelerates from 4 m/s to a velocity of 11 m/s, what is the change in kinetic energy…

A: The mass of the car is .The initial velocity of the car is .The final velocity of the car is .To…

Q: 54. Perform each conversion. (a) 345 Cal to kilowatt-hours (b) 23 J to calories (c) 5.7 × 10° J to…

A: Hi, since you have posted questions with multiple subparts we will answer first three subparts for…

Q: Classify each process as exothermic or endothermic.(a) dry ice subliming (changing from a solid…

A:

Q: 162°F to °C

A: Fahrenheit and Celsius's scale is used for measurement of temperature. F is used in US states while…

Q: Classify each change as exothermic or endothermic.(a) wood burning in a fire(b) ice melting

A: The given processes has to be classified as exothermic or endothermic.

Q: When 435J of heat is added to 3.4g of olive oil at 21-degrees Celsius, the temperature increases to…

A: With the absorption of heat, the temperature of the substance changes. The greater the heat…

Q: 1. Select the incorrect statement. q is the symbol for heat q = mC;AT The unit for g is Joules q is…

A:

Q: What is the specific heat capacity of the metal?

A:

Q: a ball has a kinetic energy of 106 J. If the ball is moving at a velocity of 2.51 m/s, what is the…

A: Since , Kinetic energy =1/2 mv 2 Where m = mass (in kg ) V= speed (in ms -1)

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: How much heat was absorbed (in J) if a 35.0 g sample of an alloy with a specific heat of 0.189 J/g…

A:

Q: Which of the following is an example of potential energy? O A compressed spring OA battery O Water…

A: Please find your solution below : Potential energy is the form of energy held or stored by an object…

Q: In the laboratory a student finds that it takes 921 Joules to increase the temperature of 13.8 grams…

A:

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

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Q: If 10.27 kJ of heat is given off when 51.93 g of unknown acid condenses from vapor to liquid, what…

A: Condensation is a process of conversion of vapor to liquid. Enthalpy of condensation is the enthalpy…

Q: how many grams of iron

A:

Q: A 9.1 g piece of aluminum (specific heat= 0.22 cal/(g* Celsius) received 10.0 cal of heat. What was…

A: The change in temperature of an object on receiving certain amount of heat (q) is expressed as:

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

A:

Q: Which of the following is a unit of energy? Mol Kelvin Btu Gram

A: Units are used to measure physical quantities such as time, length.

Q: energy (J) A B I

A: reactants, products Explanation:For you to be able to determine whether the reactants or the…

Q: If 701 J of heat is available, what is the mass in grams of iron (specific heat = 0.450 J/g･°C) that…

A:

Q: The following are all units of energy except dyne O calorie O joule British thermal unit…

A: Energy is the capacity to do work. Energy can be measured in terms of different units. The SI unit…

Q: How much heat was absorbed (in J) if a 34.7 g sample of an alloy with a specific heat of 0.458 J/g…

A:

Q: A sample of water pf unkown mass undergoes a temperature change from 86.52 degrees celsius to 30.15…

A: Given :- initial temperature of water = 86.52 °C  final  temperature of water = 30.15°C  q = -17405…

Q: How much energy (in J) is lost when a sample of iron with a mass of  28.3g cools from 64.0 ∘C to…

A: Mass of Iron sample, M  = 28.3 g  Change in temperature, ∆t = (64.0 ∘C -27.0 ∘C) = 37.0 ∘C The…

Q: If 801 J of heat is available, what is the mass in grams of iron (specific heat = 0.45 J/g･°C) that…

A: Q = heat =801 J ΔT = change in temperature = (120 - 22.5) = 97.5 oC c = Specific heat = 0.45 J/goC…

Q: You measure the initial temperature of 200 grams of water and determine it is 35°C. If you then heat…

A: • The values provided in the question are:-  i) Mass of mater, m = 200 g  ii) Initial temperature of…

Q: Objects can possess energy as ________.            (a) endothermic energy          (b) potential…

A: Kinetic energy - Energy posses by an object by it's motion  Potential energy - Energy posses by an…

Q: The water absorbed 7170 J and the calorimeter absorbed 380 J of energy. What is the heat change for…

A: Given Water absorbed heat = 7170 J Calorimeter absorbed heat = 380 J

Q: A sample of mercury at 14.0°C is warmed to 128.0°C when 795 cal of heat is added. What is the mass…

A: Amount of heat,Q required to change the temperature of a substance of mass ,m and specific heat…

Q: The specific heat of aluminum is 0.900j/g*C, how many joules of energy are required to raise the…

A: Specific heat : The amount of heat is required to raise the temperature of one gram compound by one…

Q: What is the change in internal energy in joules when a system releases 154 J of heat and does 125 J…

A:

Q: The combustion of 4.00 grams of milk in a bomb calorimeter resulted in a temperature increase of 3.4…

A:

Q: A solar cooker uses sunlight. What kind of energy does it use? a chemical b mechanical c sound d…

A: Many of the solar cookers currently in operation are relatively cheap, low-tech machines, but some…

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: If 601 J of heat is available, how many grams of iron (specific heat = 0.45 J/g･°C) can be heated…

A: The amount of available energy is = 601 J The specific heat of iron is = 0.45 J/g･°C Increase in the…