A heated lead ball is added to 158 grams of water in a coffee cup calorimeter.  If the ball loses 47.35 °C of heat and the water gains 1.3 °C of heat, what is the mass of the lead ball? (3 sf

Q: Equal masses of the three metals shown below are all initially at 25oC. aluminum (c = 0.897 J/goC)…

A: The amount of the heat absorbed by the metals is directly proportional to the masses of the metals,…

Q: heated with 40.5 joules of heat. Given the specific heat of lead is 0.128 J/g∙°C, what is the final…

A: Temperature

Q: Which has more kinetic energy: a 0.0018-kg bullet traveling at 403 m/s or a 5.3  107-kg ocean liner…

A: As we know kinetic energy involved the motion. Therefore the formula we are going to use to…

Q: 6. For a calorimeter, if a ball with a mass of 0.2 kg, has an initial temperature of 38 °C when…

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Q: 40. Which of the following equations is the correct formula for amount of heat that has been…

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Q: 5.50 g of solid sodium hydroxide is dissolved in 175 mL of water. Using a coffee-cup calorimeter,…

A: 4.  Given that,  Amount of solid NaOH dissolved in 175 mL water = 5.50 g Temperature change of water…

Q: Octane (C8H18) is a chemical compound in gasoline. When gasoline burns, the octane reacts with…

A: Octane (C8H18) is a chemical compound in gasoline. When gasoline burns, the octane reacts with…

Q: A coffee-cup calorimeter contains 70 mL of water with an initial temperature of 24.9°C. An unknown…

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Q: A coffee-cup calorimeter contains 50 mL of water with an initial temperature of 24.8°C. An unknown…

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Q: coffee-cup calorimeter contains 20 mL of water with an initial temperature of 24.8°C. An unknown…

A: All the necessary calculations have been done in the following step.

Q: sports trainer applies an ice bag to the back of an injured athlete. Calculate the heat, in…

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Q: Suppose it is winter and the system is filled with methanol. The density of methanol is 0.80 g/cm3.…

A:

Q: 3. In the equation AHsoln = AHsohute + AHsolvent + AHmix the term AHsolvent is almost exclusively…

A: The formation of solution involves the breakdown of inter-molecular forces between the solute…

Q: When 435 J of heat is added to 3.4 g of olive oil at 21 degrees C, the temperature increases to 85…

A: Given: Mass of olive oil is 3.4 g. Heat transferred is 435 J. The initial temperature is 21° C. The…

Q: 41. A 25.0 g mercury is heated from 25 °C to 155 °C and absorbs 455 J of heat in the process. What…

A: Amount of mercury = m = 25 g  Initial temperature = T1 = 25 °C  Final temperature = T2 = 155 ° C…

Q: A substance requires 80.2 J of heat to raise its temperature from 32°C to 34°C. If the mass of the…

A:

Q: A student wishes to determine the heat capacity of a coffee-cup calorimeter. After she mixes 107.5 g…

A: Heat capacity of a calorimeter is the amount of heat energy absorbed by the calorimeter per Kelvin…

Q: Consider the reaction for the formation of aluminum oxide from aluminum and oxygen. 4 Al(s) + 3…

A: The above mentioned reactions are the examples of the dependence of enthalpy on the direction of…

Q: A 65.0-g piece of silver metal at 55.0 °C is placed in 50.0 g of water at 22.0 °C. The specific heat…

A: Since you have asked multiple independent questions in the same request, we will solve the first…

Q: coffee-cup calorimeter contains 50 mL of water with an initial temperature of 24.8°C. An unknown…

A:

Q: 3. If burning 1 gram of cornflake (in a calorimeter) caused the temperature of 23.0°C water (100 mL)…

A: Hii there, As there are multiple question posted. we are answering first question. If you need…

Q: When a 0.67-g sample of olive oil is burned in a calorimeter, the heat released increases the…

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Q: coffee-cup calorimeter contains 60 mL of water with an initial temperature of 24.9 degrees C. An…

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Q: An empty coffee-cup calorimeter weighs 10 grams. It is filled with water, whose temperature is 31…

A:

Q: Perform each conversion between energy units. 3.71×106 kJ to kcal Express the value in kilocalories…

A: 1 Kcal = 1000 cal  1cal = 4.184J 1Kcal = 4.184J

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: A piece of unknown substance weighs 44.7 g and requires 2110 J to increase its temperature from 23.2…

A: Heat absorbed = m Cp ∆T  Cp is specific heat capacity. m is mass of substance.

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

A:

Q: A piece of cobalt (cp = 0.46 J/g⋅⋅°C) originally at 98.6 °C is placed into a coffee cup calorimeter…

A: Specific heat of cobalt =  0.46 J/g°C  Initial temperature of Cobalt = 98.6 °C Final Temperature of…

Q: A coffee-cup calorimeter contains 60 mL of water with an initial temperature of 24.9°C. An unknown…

A:

Q: Nitromethane (CH3NO2) burns in air to produce significant amounts of heat. 4 CH3NO2 (1) + 3 02 (g) →…

A: The molar mass of nitromethane is = 12+3+14+16×2 = 12+3+14+32 = 61 g/mol   In balanced Chemical…

Q: A Boeing 767-400ER traveling from Atalanta, Georgia (ATL) to Paris, France travels an average…

A: The required minimum quantity of fuel for single passenger is calculated as shown below.

Q: Calculate the kinetic energy of a ×9.41012kg comet moving at a speed of 39.0kms . Round your…

A: We have to calculate the kinetic energy .

Q: Chemistry 오 3. Rank the following compounds from most negative (1) to most positive (5) log of Kow…

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Q: A piece of metal weighing 52.3 g with a specific heat of 0.54 J9°C-l at 1103.2 °C is dunked into a…

A: Given data mass of metal: mmetal=52.3 g Specific heat of metal: cmetal=0.54Jg °C Initial temperature…

Q: If you have 29.8 grams of calcium at 52.0ﹾC that is heated to a temperature of 105ﹾC.    How much…

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Q: A coffee-cup calorimeter contains 50 of water with an initial temperature of 24.8 degrees * C . An…

A: Specific heat is the amount of heat required to raise the temperature of a substance by one degree…

Q: An economy car uses 1.00gal of gas to go 31miles. What its fuel rating 3 ln km/L?

A:

Q: How many calories are required to heat 100.0 g of water from -15.0 oC to 115.0 oC ?  Without doing…

A:

Q: If the specific heat of Copper is 0.385 J/g x ∘∘C how many J of heat are needed to raise the…

A: Given : Specific heat of copper = 0.385 J.g-1°C-1  Mass of copper block = 200 g  Temperature = 55°C…

Q: What is the ΔE in units of joules for a system absorbing 675 J of heat from the surroundings and has…

A: As we know that if the quantity of heat transferred from the surrounding to the system is q and work…

Q: 1. Calculate the potential energy of the motorcycle that weighs 575 g when on steep hill 70 meter…

A: Given - Weight(m) = 575 gram =0.575 kg (1 kg = 1000 gm) Height(H) = 70 m Potential energy (PE) = mgH…

Q: A coffee-cup calorimeter contains 70 mL of water with an initial temperature of 24.9°C. An unknown…

A: Given data Volume of water = 70 mL  Therefore,  m = mass of water = 70 g (because density of water =…

Q: A packet of soup has the following nutritional information (250 mL of soup =235 kj) How would that…

A:

Q: 3. A person drinks four glasses of cold water (5 degrees C) every day. The volume of each glass is…

A: Q = m . s . (T2 - T1) Where, Q = heat supplied,               s = specific heat of water = 4.18 J/g…

Q: Need help  solving questions 3a, 3b and 3c? Thanks!

A: Here mass of water and mass of iron, heat capacity of water and iron are given. And heat…

Q: A coffee-cup calorimeter contains 50 mL of water with an initial temperature of 24.8°C. An unknown…

A: When sample at given initial temperature is placed in water at lower temperature, sample will lose…

Q: Nitrogen oxide (NO) has been found to be a key component in many biological processes. It also can…

A: A. It is given that NO reacts with O2 to produce NO2 . The reaction is also accompanied by the…

Q: Which of the following is an endothermic process for the system? In each case, the “system” is…

A: The endothermic process is which gains energy from its surroundings. The exothermic process is the…