(a) Calculate the kinetic energy, in joules of a 1200-kg automobilemoving at 18 m/s. (b) Convert this energy to calories. (c) When the automobile brakes to a stop is the “lost” kineticenergy converted mostly to heat or to some form of potentialenergy?

Q: Calculate the energy required to heat 0.40kg of water from 44.4°C to 62.6°C .Assume the specific…

A: Absorbed heat energy is given as,

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: 100 mL of water at 100.0°C were placed in an insulated cup. 100.0 g of copper shot initially at room…

A:

Q: What is the kinetic energy of a baseball with a mass of 117.7 g traveling at a speed of 1.377 m/s?

A: Given, Mass of a baseball (m) = 117.7 g = 0.1177 kg Speed of a baseball (v) = 1.377 m/s Kinetic…

Q: The following thermochemical equation is for the reaction of HCl(g) with NH3 (9) to form NH4Cl(s)…

A: This is exothermic reaction as ∆H of the reaction is negative.  1 mole ammonia react with 1 mole…

Q: When organic matter decomposes under oxygen-free (anaerobic) conditions, methane is one of the…

A: a) Given that : Energy E = 5600 EJ = 5600×1018 J ΔH°rxn for the combustion of CH4 = -802kJ/mol =…

Q: What mass of iron in pounds is needed to absorb 5.4 kJ of energy if its temperature is to increase…

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Q: The reaction of hydrogen and nitrogen gases produces 5.00 g of ammonia and releases 3250 cal of…

A:

Q: If 1.42 kcal of energy is required to raise the temperature of a 190 g sample of pure iron, by how…

A: Q - heat = 1.42 Kcal m - mass = 190 g C - specific heat =0.45 J/g-°C ΔT - change/rise in temperature…

Q: A 1753 kg1753 kg car is traveling down the road at 82.2 km/h.82.2 km/h. While traveling at this rate…

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Q: Consider four 100.0 gram samples of water, each is a separate beaker at 25.0°C. Into each beaker you…

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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: 1) What is the specific heat capacity of a substance if 55.00 grams of this substance absorbs 198…

A: In thermodynamics specific heat capacity of sabstance is equal to the amount of energy required to…

Q: C (s) + 02 (g) → CO2 (g) AH° = -393.5 kJ Calculate the heat change if 2.54 g of C is reacted.

A: The given reaction is: C(s)+O2(g)→CO2(g)       ∆H°=-393.5 kJ Calculation of no. of mol of C: No. of…

Q: A typical candy bar weighs about 2 oz (1.00 oz = 28.4 g).(a) Assuming that a candy bar is 100% sugar…

A: a.) Given: Weight of candy bar is 2 oz. 1.0 g sugar is equivalent to 4.0 calorie energy.…

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: 2. Calcium carbide, CaC2, is the raw material for the production of acetylene (used in welding…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: A sample of iron absorbs 62.3 J of heat, upon which the temperature of the sample increases from…

A: The amount of heat required is related to specific heat capacity as,…

Q: q= 4.184 heat energy in joules. Use the formula: q=(m)(c)(ΔT) where m=mass of water being heated in…

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Q: The gas in a piston (defined as the system) is warmed and absorbs 645 J of heat. The expansion…

A: Given:Heat absorbed = 645 JWork performed =  340 JWhat is the change in internal energy ?

Q: In a calorimeter, a 90.0 g piece of metal at 92.4 *C is submerged in 100.0 g of water, that is…

A: In a calorimeter, a 90.0 g piece of metal at 92.4 °C is submerged in 100.0 g of water that is…

Q: In a given gaseous reaction, 72 J of heat is absorbed and AE = -442 J. (a) Calculate w (work). work…

A: First law of thermodynamics  When heat absorbed by a system  Q=∆E+W Q=heat absorbed by a system…

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 system does 72.0 kJ of work on its surroundings and releases 105 kJ of heat, what is the change in…

A:

Q: A 110.0-g sample of a gray-colored, unknown, pure metal was heated to 92.0°C and put into a…

A: a) Given that: Mass of metal (mm) = 110.0 g Initial temperature of metal = 92.0°C Mass of water (mw)…

Q: In a coffee cup calorimeter experiment, 75.0 g of H2O and 50.0 mL of HCl are mixed. The jnitial…

A: Specific heat capacity is the amount of heat that is required to rise a temperature of 1 kg…

Q: If a system absorbs 155 kJ of heat from its surroundings and the system does 95 kJ of work on its…

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Q: a system has 63.5 J of heat added to it, and the system does 75.5 J of work on its surroundings,…

A:

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…

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Q: A 43.97 kg cheetah is running after a gazelle at 22.49 m/s. What is the kinetic energy of this…

A: Given mass of cheetah  = 43.97 kg  velocity               = 22.49 m/sec Kinetic Energy    = ?

Q: A 39 g aluminum spoon (specific heat 0.904 J/g-°C) at 25°C is placed in 178 mL (177 g) of coffee at…

A: A definite quantity of heat is used up in raising temperature of substances. For substance that…

Q: Calculate the heat needed, in joules, to raise the temperature of 34 g iron, Fe, from 25oC to 78oC.…

A: The amount of heat absorbed (or released) by fixed amount of a substance to change its temperature…

Q: Calculate the kinetic energy of a 1401 kg vehicle travelling at 96.6 km/h. Ex= kJ

A:

Q: 2. A closed system is one in which (a) heat and work cross the boundary of the system, but the mass…

A: A closed system is a thermodynamics system in which energy can be exchanged with its surrounding but…

Q: Calculate the heat capacity for 50.0 g of water in units of J/oC and calories/oC.

A:

Q: The gas in a piston (defined as the system) warms and absorbs 655 J of heat. The expansion performs…

A: The total heat of a system remains conserved. The system takes the heat and does the work, this…

Q: calorimeter at 45.0°C. The final temperature of the water A piece of copper is placed in 75.0 g of…

A: The mass of water is = 75.0 g The initial temperature of the water is = 45.0oC The final temperature…

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

A: The Kinetic energy of a 2000-lb car traveling at 59 miles per hour is calculated as,1lb =0.4536…

Q: A 1401 kg1401 kg car is traveling down the road at 85.8 km/h.85.8 km/h. While traveling at this rate…

A: The kinetic energy of the vehicle in kilojoules is  ≈ 398 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: Calcium carbide, CaC2, is the raw material for the production of acetylene (used in welding…

A: Introduction: Calcium carbide is also known as calcium acetylide. It is industrially used for the…

Q: heat, upon which the temperature of the sample increases from 21.5 °

A: Dear student I have given answer to your question in the image format.