A 88.0 g ball traveling at a speed of 2.30 m/s has a kinetic energy of J

Q: If a 6.7892 g sample of Chips is burnt and releases enough heat to raise the temperature of 96.6782…

A: Given: Mass of water = 96.6782 g. Initial temperature of water = 26.4 oC And the final temperature…

Q: In the calibration of a calorimeter, an electrical resistance heater supplies 100.0 J of heat and a…

A: Calorimetry refers to measurement of heat change associated with a physical or chemical change. The…

Q: (a) A 2-inch piece of two-layer chocolate cake with frosting provides 1670 kJ of energy. What is…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Expressing amounts of energy in different energy units is necessary to solve many chemistry…

A: In this question, the units of energy have to be converted into various other energy units.…

Q: Based on the law of conservation of energy, which of the following describes the transformation of…

A: Option D is the Correct Choice.

Q: A 152.0 g ball traveling at a speed of 2.30 m/s has a kinetic energy of Answr J

A: The kinetic energy of the ball is given by: where m = mass of the ball = 152.0 g v = velocity of…

Q: J cal kJ 598 113 0.810

A: To convert the energy units, suitable conversion factors are required. The given energy units are…

Q: A 1.37 kg sample of an unknown substance was heated up using 8,011 cal of energy from 45.1 °C to…

A: We are given the sample of unknown  species  mass=1.37 kg=1370 gm Energy Q=8011 cal 1 cal =4.184…

Q: (a) Calculate the kinetic energy, in joules of a 1200-kg automobilemoving at 18 m/s. (b) Convert…

A: a) The KE of the above process is given as the formula would be :     Ev=12mv2     we are given…

Q: Expressing amounts of energy in different energy units is necessary to solve many chemistry…

A: 1 calorie = 4.184 Joule  1 J = (1/4.184) cal  1 kJ = 1000 J  1 kJ = 239 cal

Q: Expressing amounts of energy in different energy units is necessary to solve many chemistry…

A: 1 calorie = 4.184 joule 1 kJ = 1000 joule in

Q: For comparison, the atomic bombs dropped on Hiroshima and Nagasaki released between 54 and 96…

A: “Since there are multiple questions in this question and it is not mentioned that which one has to…

Q: 81. An iron nail with a mass of 12 g absorbs 15 J of heat. If the nail was initially at 28 °C, what…

A: Given data mass of iron nail : m = 12 g heat absorbed : Q = 15 J Initial temperature : T1=28°C…

Q: It takes 1250 J of energy to heat a certain sample of pure silver from 12.0 °C to 15.2 °C .…

A: Given: Mass of silver=? g Temperature change, ∆T=(15.2-12.0)°C=3.2 °C The ennergy needed, q =1250 J…

Q: A chemist measures the energy change AH during the following reaction: CL(9)+H,(9) 2 HCl(g) AH=-184,…

A: Given :  Cl2(g) + H2(g) → 2HCl(g)  ∆H = -184 kJ  To calculate ;-  amount of heat absorbed or…

Q: The most important form of potential energy in molecules is ............. potential energy, Eel

A: The most important form of potential energy in molecules is electrostatic potential energy.…

Q: Water heat is of 4.18j?g c° what is the quantity of energy in kJ required to increse the temperature…

A:

Q: An iron nail with a mass of 12g absorbs 17 J of heat. If the nail was initially at 30 °C, what is…

A:

Q: 2. A fast food item contains 1130 calories. Convert this energy to Joules. (1 cal=4.184 J)

A:

Q: A flask containing 8.0 × 10² g of water is heated, and the temperature of the water increases from…

A:

Q: A home swimming pool contains 15 m3 of water. At the beginning of the swimming season, the water…

A: Volume of water = 15 m3Density of water = 1000 kg/m3Mass of water = volume x density = (15 m3) x…

Q: Name a common device that is used to accomplish each en-ergy change:(a) Electrical energy to thermal…

A: Since we answer only up to three sub-parts, we'll answer the first three. Please resubmit the…

Q: A home swimming pool contains 165 m3 of water. At the beginning of the swimming season, the water…

A: The amount of heat required is determined by using formula q= m c delta T

Q: Which one of the following is an endothermic process? A) ice melting B) Hydrochloric acid and barium…

A: Ans - C both ice melting and boiling soap  In a reaction if heat release it is exothermic process or…

Q: a 43g of chocolate has 2.10 x 102 calories. convert this energy to units of joules

A: Given data, 43g of chocolate has 2.10 x 102 calories.

Q: A sample of water is heated from 10°C to 15°C by the addition of 130 joules of heat. What is the…

A: we know , Relationship between change in temperature and heat absorbed is given as…

Q: Suppose that a person eats a diet of 2383 Calories per day. Convert this energy into joules.

A: Suppose that a person eats a diet of 2383 Calories per day. This energy is to be converted into…

Q: Calculate the energy (in kJ) required to heat 0.891 grams of water from -24.2 ℃ to 84.5 ℃.

A: Here we are given 0.891 g of water and temperature changes from -24.2 to 84.5 C.Specific heat for…

Q: In a calorimetry experiment, a 49.4 g piece of metal at 118. °C is put into a cup of cool water that…

A: Given: Water: mw = 98.3 g Cpw = 4.184 J/g-K ∆ T = 20 deg C Metal: mm = 49.40 g Cpm = ? (J/g-K) ∆ Tm…

Q: A chemist measures the energy change AH during the following reaction: Cl,(9)+H,(g) → 2 HC(g)…

A: Answer given as follows

Q: Expressing amounts of energy in different energy units is necessary to solve many chemistry…

A: We are having certain quantity with which we have to do the unit conversions. We have to convert…

Q: Calculate the energy (in kJ) required to heat 0.531 grams of water from -42.9 ℃ to -7.1 ℃.

A: The amount of heat ('q') that is required to raise the temperature of a sample of mass 'm' having…

Q: The energy needed to keep a 75 - watt lightbulb burning for 1.0 hr is 270kJ. Calculate the energy…

A:

Q: Calculate the energy (in kJ) required to heat 0.235 grams of water from -44.5 °C to -8.5 °C.

A: Heat capacity is the heat required to raise the temperature of 1 g of a substance bye 1 ℃  Heat…

Q: Calculate the energy (in kJ) required to heat 0.542 grams of water from -42.9 ℃ to -19.3 ℃.

A: The amount of heat ('q') that is required to raise the temperature of a sample of mass 'm' having…

Q: Expressing amounts of energy in different energy units is necessary to solve many chemistry…

A: Given;  The joule (J) is the SI unit of energy. 1 calorie (cal) = 4.184 J 1 kilojoule (kJ) = 1000 J

Q: 27.) A 43 g serving of a chocolate candy has 2.10 x 102 Calories. Convert this energy to units of…

A: Given, 43g chocolate candy has 2.10*102 Calories.

Q: An adult eats food whose nutritional energy totals approximately 2400 Cal oer day. The adult burns…

A:

Q: Silicon, used in computer chips, has a heat capacity of 0.712 J-g+°C. If 500 Jof heat is absorbed by…

A: given, specific heat capacity, S = 0.712 J.g-1. oC-1 heat, q = 500 J Mass of Silicon, m = 7.92 g…

Q: Suppose that the total mass of the reactants in a chemical reaction was 100.00000 g. How many…

A: Answer: This question is based on the production of energy. When a specie is converted into another…

Q: A reaction releases 421 kJ of energy. How many kilocalories does this correspond to?

A: Kilocalories (kcal) and kilojoules (kJ) are units of energy. The energy required to raise the…

Q: A sample of aluminum (c = 0.900 J/g°C) is heated from 20.8°C to 38.7 °C using 3,750 J of energy.…

A: * Specific heat capacity of  aluminium ; C = 0.900 J/g°C  * ∆T = change in temperature = T2 - T1 T2…

Q: Identify the process which undergoes exothermic process. A. Cooking egg B. Baking bread C. Burning…

A: Heat, light, and sound are all forms of energy released by chemical reactions. Exothermic responses…

Q: Anthracite coal, 1.0 g, produces 7.000 x 10° cal when burned. How many joules of energy does this…

A: We know that, calories of energy is related to Joules as,                  1 cal = 4.184 J…

Q: Expressing amounts of energy in different energy units is necessary to solve many chemistry…

A: we know that 1 calorie = 4.184 Joule 1 Joule = 14.184 calorie 1KJ= 1000J 1J = 10-3 KJ

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: noving from a warm object to a cold object reWlts in object nical energy and potential energy are…

A: According to the question we need to determine the true statement.  We know that, Potential energy…

Q: A chemist measures the energy change AH during the following reactio 2 NO,(9) → N,O4(g) AH=55.3 kJ…

A: Given mass on NO2 = 11.8 gram Molar mass of NO2 = 46.0055 g/mol Therefore, moles of NO2 =…

Q: Suppose that the total mass of the reactants in a chemical reaction was 100.00000 g. How many…

A: