id your answer to 3 exothermic cor endothermic? endothermic

Q: write the correct answer for the question

A: The reactions which releases energy, hence causing the temperature of the surroundings to rise are…

Q: A system initially at 89 oC experiences a change to a final temperature of 90 oC. Did the system…

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Q: The temperature of a 33.7g sample of a metal increases by 27.2 oC after absorbing 201.7J of heat.…

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Q: A 1261.8kg car is traveling down the road at 81.81 km/h. While traveling at this rate of speed, what…

A: The kinetic energy of the vehicle in kilojoules is = 325.8 kJ

Q: What is the final temperature in Celsius of 470.1 g of water (specific heat = 4.184 J/g Celsius) at…

A: Heat energy (Q) = m × s × ∆T Where m=mass of sample , s= specific heat of sample , ∆T = Final…

Q: In a chemical cold pack, two substances are kept separateby a divider. When the divider is broken,…

A: In case of exothermic reaction heat is produced to the surroundings whereas in case of endothermic…

Q: Which of the following does NOT describe an exothermic reaction? Heat is released from the reaction…

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Q: Part A A sample of iron absorbs 66.8 J of heat, upon which the temperature of the sample increases…

A: Given  Specific heat capacity of Iron = 0.45  Jg-1 K-1  Change in temperature=28.7°C - 21.9°C =…

Q: Classify the following processes or chemical reactions as endothermic or exothermic Group of answer…

A: Exothermic reaction is the reaction in which heat is given out or heat is released. Endothermic…

Q: Do not give handwriting solution.   1. The specific heat of titanium is 0.523 J/g°C. If 5.88g of…

A: The heat capacity (Q) of an object is calculated using the formula:Q=m⋅C⋅ΔT...(1)where:Q is the heat…

Q: A 18.32 g piece of metal absorbs 86.73 J of heat while rising from 28.01°C to 50.52°C. Calculate the…

A: Specific heat :-  The amount of heat required to rise the temperature of one gram of a substance…

Q: . The specific heat of wood is 2.03 J/g-°C. How much heat is needed to convert 550 g of wood at…

A: Mass M = 550 g Specific heat c = 2.03 J/g°C Initial temperature Ti = -15.0 °C Final temperature Tf =…

Q: How many calories are in 6901 J ?

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Q: What is the specific heat of an unknown liquid if heating a 15.0 g sample with 200.0 J of heat…

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Q: The specific heat of silver is 0.24 J g°C . How many joules of energy are needed to warm 4.37 g of…

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Q: We use melting ice and burning woods as Endothermic and exothermic examples. How can you explain and…

A: Water is a higher energy state, as the liquid can rotate and vibrate while solid ice can only…

Q: Substance Quantity Initial temperature Final temperature Water 466 grams 8.50°C 74.60°C 1. Based on…

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Q: An endothermic reaction corresponds to one in which 1. change in energy is negative; heat is…

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Q: Which of the following equations shows a correct chemical reaction for the following graph? 50 40 30…

A: The energy diagram of a reaction is drawn by taking potential energy at the y- axis, and reaction…

Q: A_ AH corresponds to an, process. O positive, exothermic zero, exothermic positive, endothermic O…

A: Change in enthalpy of the process which is also called heat of process is denoted by ∆H. For…

Q: What are Endothermic Processes?

A: The endothermic processes has to be explained.

Q: Select all of the following reactions or processes which would be considered endothermic (the system…

A: To Solve this problem first we have to know about exothermic and endothermic process .

Q: Identify the following processes as either endothermic or exothermic. a) Adding ice cubes to a glass…

A: In the given question we have to identify the endothermic and exothermic reaction . Endothermic…

Q: Which is NOT an example of an endothermic change?     melting      sublimation      freezing…

A: In Endothermic process heat is absorbed to perform that process.

Q: If AH = -54.74 kJ for a chemical reaction, that reaction O is endothermic cannot occur is exothermic

A: In endothermic reaction heat is require while in exothermic reaction heat is given off.

Q: Which of the following statements are true? AH for an endothermic reaction is positive AH for an…

A: The objective of the question is to identify the statements that are true.

Q: True or False? If 25 grams of hot water are added to 35 grams of cold water, the heat lost by the…

A: The given statement is TRUE here

Q: I know the specific heat of a metal in J/gC. I know how to calculate the specific heat of the same…

A: The average specific heat is calculated by adding the specific heat of each trial and further…

Q: In joules, how much heat is released when 40.0 g of Ag cools from 189. to 122.? Enter a positive…

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Q: If the conversion of a diamond to graphite is an exothermic process, then the conversion of graphite…

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Q: A reaction known to be endothermic was performed in a beaker. Which observation would best support…

A: Given, A reaction known to be endothermic was performed in a beaker the best observation for this…

Q: Calssify the following process as endothermic or exothermic. A match burns  Ice melts  Molten metal…

A: When heat is released from the system then reaction is called exothermic and when heat is absorbed…

Q: For this question, is this an endothermic or exothermic reaction? I am confused at the part where…

A: We will use first law of thermodynamics

Q: Describe the difference between potential energy and kinetic energy.

A: Kinetic energy is the energy which is present in any substance by virtue of its motion.  potential…

Q: If 125 cal of heat is applied to a 60.0-g piece of copper at 24.0 C, what will the final temperature…

A: The amount of heat required to raise the temperature of the sample is obtained by multiplying the…

Q: Calculate the change in the internal energy for a certain process if 800 J of work is done on the…

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Q: A student heats 84.17 ml. of water to 95.27 "C using a hot plate. The heated water is added to a…

A: Given,Volume of heated water = 84.17 mLVolume of cold water = 73.92 mLTemperature of heated water…

Q: If 115 cal are added to 49.2 g of solid iron, what is the change in temperature of the iron? The…

A: The objective of this question is to calculate the change in temperature (ΔT) of the iron when a…

Q: Select the correct term. 2CO2(g) + 566 kJ/mol 2CO(g) + O2(g) endothermic exothermic

A: 1)Endothermic reactions are reactions that require external energy, usually in the form of heat, for…

Q: Please explain the difference between exothermic and endothermic

A: Difference between exothermic and endothermic reaction is given below

Q: Endothermic and Exothermic bel the following diagrams as endothermic or exothermic reactions. A LA…

A: According to guidelines i can answer only 1st question.

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…