If 585 J of energy are absorbed by 125.6 g of aluminum and the initial temperature is from 20.0 oC, what is the final temperature? Is this endothermic or exothermic?

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…

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Q: Iron has a specific heat capacity of 0.45 J/g C. If a piece of iron at 95 C is added to 175 g of…

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Q: If 40.0 kJ of energy are absorbed by 500.0 g of water at 10.0 °C, what is the final temperature of…

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Q: Consider the generic chemical reaction between A and B to form C. A has a molar mass of 215.8 g/mol,…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: What is the final temperature of gold. The specific heat capacity is 0.128 j/g. C

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

Q: What is the mass of an aluminum sample in grams (specific heat = 0.901 J/gºC) if addition of 2.27 kJ…

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Q: A sample of aluminum metal absorbs 9.86 J of heat, upon which the temperature of the sample…

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Q: The temperature of 756 g of water in a calorimeterincreases from 23.2°C to 37.6°C. How much heat…

A: Given: Mass = 756g Initial temperature= 23.2oC Final temperature= 37.6oC To find: The heat given off…

Q: If 63.50 g of an unknown metal at 97.6 °C initially produced a resulting temperature of 39.5 °C when…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: what mass of CH4 (in g) must combust in order to produce 5.46 KJ of energy

A: Given :- CH4+2O2 ----------> CO2+2H20  ∆H = -802.3 kJ/mol  To calculate :- mass of CH4 (in g) to…

Q: An unknown metal with a specific heat of 0.385j has an initial temperature of 65.4 C. the metal is…

A: The heat absorbed or released by the Substance related with each other by following formula -   M1…

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Q: What is the specific heat of a 83.01 g piece of an unknown metal that exhibits a 45.2°C temperature…

A: The amount of heat absorbed or released is related to specific heat capacity as,…

Q: What is the specific heat capacity of a metal of 55.00 g of the metal absorbs 47.3 J of heat and the…

A: Heat = mass× specific heat capacity × change in temperature Formula applied

Q: 2. A system performs 3.63 kJ of work and gives off 8.98 kJ of heat. What is the change in energy of…

A: To solve this problem we will use First Law of Thermodynamics  .  According to this law  ∆E = q + w…

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A: Thermochemical equation- 2 H2(g) + O2(g) -----> 2 H2O(g)   ∆H = 242 KJ energy evolved For each…

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Q: A calorimeter has a negligible heat capacity. It contains 52.3 g of water initially at 22.4 Celsius.…

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Q: The reaction between nitrogen and oxygen gases requires the absorption of 43 kJ of energy per mole…

A: The reactions in which heat energy is released from the system are known as exothermic reactions.…

Q: 50.0 grams of metal is heated to 100.0 C and then placed into a calorimeter containing 150 g of…

A: The specific heat capacity of the substance is the amount of heat energy required to raise the…

Q: A 225-g sample of aluminum was heated to 125.5 oC, then placed into 500.0 g water at 22.5 oC. (The…

A: Here we have:           mass of aluminiun, mAl = 225 g             mass of water , mH2O = 500.0 g…

Q: Calculate the increase in the temperature of Aluminum when 12.76 kcals of heat are supplied to a 2.0…

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Q: The reaction between nitrogen and oxygen gases require the absorption of 43 kJ of energy per mole of…

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Q: heat energy is required

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Q: Calculate the energy change when 25.0 g of magnesium changes from 27°C to 45°C. The specific heat of…

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Q: What is the change in energy (in J) for a system that lost 344 J of heat to the surroundings, and…

A: Assume that work (w) is done on the system, so w will be positive.Given:Heat lost, Q  = - 344 JWork…

Q: A chemical reaction is carried out in a 30.0 g calorimeter. The calorimeter has a specific heat of…

A: Here the heat released by the reaction is absorbed by both the calorimeter and water inside the…

Q: How many grams of carbon are present if it requires 57.5 kJ of energy to heat a sample from 20.0 to…

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Q: How many kilojoules of heat are required to raise the temperature of 178 g of aluminum from 13.0˚C…

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Q: A student is collecting data for the reaction of baking soda and vinegar. The initial temperature of…

A: Exothermic and endothermic reactions are two types of chemical reactions that differ in the way they…

Q: 20.0 g sample of aluminum (specific heat = 0.902 J g-1 C-1) with an initial temperature of 48.6C…

A: Given that: Mass of aluminium(m) = 20.0g  Specific heat (C) = 0.902J/g°C Initial temperature(Ti) =…

Q: 6. A 5.00 g piece of lead is heated to 290.0 °C and then placed in 50.0 g of water at 25.0 °C in a…

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Q: Consider the reaction of hydrogen with sulfur to form hydrogen sulfide: 8H₂ (g) + S8 (s) → 8H₂S(g),…

A: The difference in the enthalpy of the products and reactants is known as the enthalpy change of the…

Q: A chemist measures the energy change AH during the following reaction: 2 NO₂(g) → N₂O4(9) - Use the…

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Q: ystem does 675 kJ of energy onto its surroundings while releasing 1543 J of heat. What is the change…

A: To find the change in energy of the system, you need to consider both the work done by the system…

Q: A sample of copper was heated to 120o C and then plunged into an insulated vessel containing 200.g…

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Q: What is the specific heat of a 42.01 g piece of an unknown metal that exhibits a 45.2 °C temperature…

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Q: If 87 J of heat are added to a balloon, causing it to expand from 1.0 L to 1.4 L under 0.97 atm of…

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Q: The burning of 1.5 g of vegetable cause the temperature of 58.18 g of water in a soda can…

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Q: How many grams of NaCI will be produced when 489.2 J of energy is released? 2 Na (s) + Cl2 Cl2 (g)…

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