The energy stored by a body by virtue of its position or chemical composition is termed A) kinetic energy B) potential energy C) mechanical energy D) heat energy E) none of the above

Q: Of the following examples, which is exothermic? A. dissolving ammonium nitrate in water to cool the…

A: Exothermic reaction: Heat is evolved in reaction. Endothermic reaction: Heat is absorbed in the…

Q: When a solid substance changes to a liquid at a constant temperature, th statement that correctly…

A: When a solid melts to liquid at constant temperature: The temperature do not change.  i.e T=…

Q: Nitroglycerin decomposes under sudden impact according to the equation below: 4 C3H5N3O9 (I) --> 12…

A: Ans

Q: The temperature of a sample of iron increased by 23.4 °C Substance Specific heat J/(g °C) when 269 J…

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Q: QUESTION 18 Which of the following processes is endothermic? the combustion of propane the chemical…

A: Endothermic process involves the absorption of energy during conversion of reactants into products.

Q: As the height increases, so does… A. Potential energy increase B. Mechanical energy increase…

A: To determine:Whether the potential energy or mechanical energy or thermal or kinetic energy…

Q: what energy is a chemical energy withing a battery kinetic or potential?

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Q: .Excess heat energy liberated by an oxidation reaction iscalled the ___________.

A: Oxidation reaction is a reaction in which oxygen is added to the species. In terms of electron, in…

Q: When gasoline burns, it reacts with oxygen in the air and forms hot gases consisting of carbon…

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Q: What effect does the initial temperature of the water have on the change in temperature of the water…

A: While hot metal was added into the water. The hot metals lose its temperature (energy) into the…

Q: When a system absorbs heat, a part is stored within the system as the energy of internal motions of…

A: When a system absorbs heat, a part of it is  stored within the system as the energy of internal…

Q: Which of the following process will release the most energy?

A: Cl2 ,Br2,I2 break into ions is endothermic  reaction.  these reaction  required energy .

Q: Fill in the blank by the name of the definition: Heat of __________ is the quantity of heat…

A: Heat : Heat is the mode of transfer of energy from one system to another. It is due to the…

Q: The energy that enters or leaves a system during a chemical reaction comes from what source? O Heat…

A: Energy is required to break the bond however the energy is released during the formation of Bond .

Q: The specific heat of aluminum is 0.214 cal/g·oC. Determine the energy, in calories, necessary to…

A: The specific heat of aluminium is = 0.214 cal/(g·oC) The mass of aluminium is = 55.5 g The increase…

Q: 17.4 J to Calories.

A: According to the given question we have to convert joules to calories. Given the value of energy is…

Q: During a chemical reaction, the energy of the system remains the same as bonds in reactant are…

A: According to the first law of thermodynamics, the energy of the universe remains constant. For a…

Q: Question 4 of 4 4. Match each term to the best description. Dietary 1,000 calories Kilocalorie…

A: Given , 1000 calories means kilocalorie is right answer  Also , water is 1.00 cal/g°C is specific…

Q: The type of reactions that generate heat are known as _________________________ reactions. Fill-in…

A: During the chemical reaction energy may occur in the form of heat ,light changes chemical reaction…

Q: What is the importance of chemical energy, how it process to convert energy?

A: Chemical energy  Chemical energy is defined as the energy which is stored in the bonds of chemical…

Q: Which type of reaction is shown in the energy diagram below? O Kinetic energy of water molecules…

A: Thermodynamics is the branch of chemistry that mainly deals with the heat transfer between system…

Q: The amount of carbon dioxide a vehicle emits is__________ related to the amount of fuel it consumes

A: The amount of CO2 a car emits is directly related to the amount of fuel it consumes. For instance, a…

Q: If the dissolution of a salt in water is an endothermic reaction, how will the temperature of the…

A: Endothermic reactions are chemical reactions in which the reactants absorb heat energy from the…

Q: Table view List view Table 5. Specific Heat of a Metal Sample 1 Identity of metal Aluminum (1) Mass…

A: Mass of Al = 20.401 g Mass of Water = V × d      = 50.2 × 1.0 = 50.2 g Heat (q) = m.s.□T   Where, m…

Q: 1.7. A 225-pound athlete needs to run a distance of 546.807 yards. Solve for the energy he will…

A: Conversion of pounds to kg: 1 pound=0.4536 kg225 pounds=225×0.4536=102.06 kg Conversion of yard into…

Q: A hot 101.6 g lump of an unknown substance initially at Substance Specific heat (J/(g•°C)) 164.8°C…

A: We have to equate the heat lost by the metal to the heat gain by the water to determine the specific…

Q: Which is the correct statement on the characteristics of an exothermic reaction? Select one: a.…

A: There are two types of reactions  1. Exothermic  2. Endothermic

Q: If the dissolution of a salt in water is an endothermic reaction, how will the temperature of the…

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Q: m cold Mass of cold water (g) = 50 g Tic Initial temperature of

A: Given, mcold=50 gTic=15°Cmhot=50 gTIh=80°CTf=35°C

Q: A helium-filled balloon spontaneously deflates overnight as He atoms diffuse through the wall of the…

A: According to the first law of thermodynamics, There has no change in the system's internal energy as…

Q: How the energies of the reactants, products, and intermediates compare ?

A: In a chemical reaction: reactants -> products This process is achieved through the formation of…

Q: Determine if the temperature will increase, decrease, or remain the same for each of the following…

A: In an exothermic reaction, heat is released to the surrounding from the system. In an endothermic…

Q: Combustion is a chemical process in which a fuel combines with to release energy and form products.

A: Combustion is a chemical process in which the compound reacts with oxygen and gives heat in the form…

Q: An unknown metal has a mass of 61.3 g. When 672 J of heat Metal Specific heat (J/g C) are added to…

A: Given: Mass of metal = 61.3 g Heat added = 672 J Change in temperature = 24.4°C

Q: Write out the mathematical equation used for the heat of neutralization for an acid base reaction…

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Q: e the specific heat of lead

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Q: ch of the following processes as endothermic or exothermic and include the sign for AH. opyl alcohol…

A: We habe to categorise given reaction as endothermic or exothermic and tell their ∆H sign

Q: Which of the following is true about the following system? CSNO3 (s) CSNO3 (aq) + heat > the volume…

A: The given reaction clearly indicates the reaction is exothermic that means heat is releases by the…

Q: Hydrogen gas reacts with oxygen to form water. 2H2(g)+O2(g)-->2H2O(g) the ethalpy of the chemical…

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Q: In one to two sentences, explain whether condensation is an exothermic or endothermic reaction.

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Q: Galvanic cell converts: Select one: a. Electrical energy into chemical energy b. A metal from its…

A: Galvanic cells ,also known as voltaic cells ,are electrochemical cells in which spontaneous…

Q: What is the difference between a calorie and a Calorie?

A: To give: difference between calorie and Calorie?

Q: Explain the concept of specific heat and how the specific heat of water enables the human body to…

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Q: oes s system gain or lose energy as reactants are converted to products?

A: A system may gain or lose energy as the reactants are converted to products.

Q: A known volume of hot water is placed in a calorimeter and the system is allowed to equalize the…

A: Initially, hot water is added to the calorimeter and the system is allowed to equalize the…

Q: In chemical processes, what is the most prevalent kind of kinetic energy released?

A: Thermal energy or heat energy is the most prevalent form of kinetic energy released during a…

Q: Draw a detail Energy Diagram representing the thermochemical equation in illustrating the the…

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Q: exothermic reaction is one that in the chemical process:Immersive Reader

A: An exothermic reaction is one that in the chemical process:Immersive Reader A) absorbs energy. B)…

Q: When a person eats to gain energy for activities, your body uses O a Gravitational Potential Energy…

A: Chemical potential energy is the energy stored in the chemical bonds of a substance.