What is the Kinetic energy of a 2000-Ib car traveling at 59 miles per hour? (Ib =0.4536 kg, 1 mi= 1.609 km)

Q: A 1423 kg car is traveling down the road at 94.2 km/h. While traveling at this rate of speed, what…

A: The kinetic energy of any moving objects is 12mv2, where m is the mass of the object and v is the…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 194.0 g sample…

A: Mass of sample = 194 gram Initial temperature = - 8.3℃ Final Temperature , T2 = 4.5 ℃ Change in…

Q: A 73 kg student traveling in a car with a constant velocity has a kinetic energy of 2.0  104 J. What…

A: • Here is given that,      Mass of student, m  = 73 kg • Since, he is travelling with a constant…

Q: reaction for C,H, is 3) 12 CO, (g) + 6 H,O(1) + 6542 kJ and the heat produced from the burning is…

A: Final Temperature of water = 29.80°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: A 1709 kg1709 kg car is traveling down the road at 87.0 km/h.87.0 km/h. While traveling at this rate…

A: Given that,

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 674.0 mg sample…

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Q: km Calculate the kinetic energy of a 1.7 x 10" kg airplane moving at a speed of 0.20

A: Given :- mass of airplane = 1.7 × 104 kg                speed = 0.20 km/s  To calculate :- kinetic…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 576.0 mg sample…

A: Given that, for a 576.0 mg of pure substance, 10.1 J of heat is required to raise the temperature…

Q: What is the kinetic energy in joules of a 1030-kg automobile traveling at 86 km/h?  What is the…

A: Kinetic energy of the moving particle depend on its mass and velocity .

Q: A 1533 kg car is traveling down the road at 99.0 km/h. While traveling at this rate of speed, what…

A: Here we use the formula of kinetic energy K.E = 1/2 m* V^2 Where m = mass of car = 1533 kg V =…

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: A gas expands and does work on the surroundings equal to 279 J. At the same time, it absorbs 216 J…

A: Note : Since you have posted multiple questions, we are entitled to answer the first only. Please…

Q: The change in the internal energy of a system (ΔE) is -74 J. What is the work done when the system…

A: We have to calculate the work done.

Q: What is the volume of ethanol required to heat 200.0g of water by 10.0 celsius? The density of…

A: Note: Thank you for question. Since the Heat combustion of ethanol and Specific heat of water is not…

Q: Consider the following thermochemical equation for the combustion of acetone, C3H6O, the main…

A: The combustion reaction given is  C3H6O (l) + 4 O2 (g) → 3 CO2 (g) + 3 H2O (g)…

Q: 1621 kg car is traveling down the road at 89.4 km/h. While traveling at this rate of speed, what is…

A: The question is based on the concept of kinetic energy. the amount of energy possessed by a molecule…

Q: A 1445 kg car is traveling down the road at 96.6 km/h. While traveling at this rate of speed, what…

A: Given : Mass of car = 1445 kg Speed of car = 96.6 km/hr  To calculate :- Kinetic energy (in kJ)

Q: hemist carefully measures the amount of heat needed to raise the temperature of a 886.0 mg sample of…

A: Specific heat capacity is amount of heat needed to increase one gram of substance by one degree

Q: A 1489 kg1489 kg car is traveling down the road at 100.2 km/h.100.2 km/h. While traveling at this…

A: Mass = m= 1489kg. Velocity v = 100.2km/h = 100.2×5/18 = 27.7m/s (1km/h =5/18 m/s).

Q: 4. What is the specific heat of iron, if it requires 1050 J of heat energy to raise the temperature…

A: Heat required = 1050 J Initial temperature = 10.0°C Final temperature= 20.4°C Change in temperature…

Q: A cylinder contains a mixture of gases under constant atmospheric pressure. The gases undergo a…

A: The thermodynamics is the branch of science which deals with the heat and other forms of energy.…

Q: 1. How much work was done when 46 kJ of energy was spent on compressing a gas as it released 28 kJ…

A:

Q: What is the kinetic energy (in J) of a 2240-pound automobile traveling at 67.8 km per hour? x 10 J

A: For an Automobile, Mass, m = 2240 pound  Velocity = 67.8 km hr-1  Kinetic Energy, Ek = ?

Q: What is the specific heat of a 75.01 g piece of an unknown metal that exhibits a 45.2°C temperature…

A: Given : Mass of metal = 75.01 g Change in temperature of metal = 45.2 °C And the total heat absorbed…

Q: What is the specific heat of a 72.01 g piece of an unknown metal that exhibits a 45.2°C temperature…

A: Given data is  mass of sample = 72.01 g Temperature = 45.2 oC Heat absorbed = 1870 J Formula used…

Q: A 1467 kg1467 kg car is traveling down the road at 81.0 km/h.81.0 km/h. While traveling at this rate…

A:

Q: What is the kinetic energy of a 63.4 gram bullet moving at a velocity of 318 meters per second?…

A: Given values are, Mass ,m =63.4 g =0.0634 kg Velocity,v= 318 m/s

Q: Octane (C8H18) is a component of gasoline that burns according to the following equation:…

A: the enthlpy change during the combustion of 1 mole of the substance is known as enthalpy of…

Q: If 0.066 mol of hydrochloric acid (HCl)  is mixed with 0.066 mol of sodium hydroxide (NaOH)  in a…

A:

Q: 2. What is the work done by a system whenabsorbs 47 J of heat and gain 12 J of energy?

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Q: ΔE of a system

A:

Q: 4. An unknown substance requires 567 J of heat to increase its temperature from 0 to 15 °C. The…

A:

Q: After absorbing 1.850 kJ of energy as heat, the temperature of a 0.500 kg block of copper is 37 oC.…

A: Specific heat capacity is the amount of heat required to raised the temperature by 1 oC when heating…

Q: If 0.067 mol of hydrochloric acid  (HCl)  is mixed with 0.067 mol of sodium hydroxide  (NaOH)  in a…

A:

Q: what is the mass in grams of iron

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

A:

Q: 4. What speed must a 250.0 kg motorcycle be travelling at to have a kinetic energy of 2.8 x 10* J?

A: We nees to find the speed of motorcycle if, kinetic energy = 2.8×104 J and, mass = 250.0 kg

Q: What is the kinetic energy of a 147 gram baseball moving at a velocity of 47.2 meters per second?…

A:

Q: The initial temperature of a 415 g sample of iron is 10.6 °C. If the sample absorbs 2.64 kJ of…

A:

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 614.0 mg sample…

A:

Q: What is the specific heat of a 91.51 g piece of an unknown metal that exhibits a 45.2°C temperature…

A: Given temperature of the piece of metal (T) = 45.2°C  Given mass of the piece of the metal (m) =…

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: If a system does 80.0 kJ of work on its surroundings and releases 105 kJ of heat, what is the change…

A:

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.65kg sample…

A: Molar Heat Capacity: The molar heat capacity of a chemical substance is the amount of energy that…

Q: Calculate the kinetic energy of a 175 g baseball moving at a speed of 55 m/s (87 mph).

A: Given: Mass of basketball, m = 175 g = 0.175 kg Speed of the basketball, v = 55 m/s To calculate:…

Q: What is the kinetic energy of a 4.15x10 kilogram golf ball moving at a velocity of 44.3 meters per…

A: Kinetic energy is defined as the energy possessed due to virtue of the motion of the molecule.

Q: The internal energy of a system increased by 982 J when it absorbed 492 J of heat. Was work done by…

A: When a system absorbs energy it means work done on the system, We know that, ∆U=982 Jq=492 J…