Which three of the following represent chemical potential energy? a water molecule rotating an excited electron an argon atom speeding towards a wall dispersion forces a covalent bond a carbon dioxide molecule vibrating

Q: The first law of ____ states that the energy of the universe is constant. Group of answer choices…

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Q: Classify the chemical changes as endothermic or exothermic. Endothermic Exothermic Answer Bank…

A: Exothermic reaction is a reaction in which heat is released  Endothermic reaction is a reaction…

Q: 1. A block of ice at -5°C is under study regarding energy changes. Decide whether the situation is…

A: Exothermic process is the process in which the energy or heat releases to surrounding. Endothermic…

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: In the illustration, N is color-coded as blue and O is color-coded as red. ⠀- What kind of change is…

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Q: Please help me and double and triple check your answers my grade depends on this

A: According to the given representation of unit cell, mercury atoms are present at the corner and at…

Q: Write a balanced chemical equation, including physical state symbols, for the combustion of liquid…

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Q: Which of the following changes is endothermic? * O melting of copper O freezing of water O…

A: In endothermic reactions, ∆H is positive and heat or energy is absorbed.

Q: Combustion of hydrocarbons such as methane (CH) produces carbon dioxide, a "greenhouse gas."…

A: Two questions based on combustion of Methane, which are to be accomplished.

Q: endothermic or exothermic.   a sparkler burning Group of answer choices Endothermic Exothermic

A: Exothermic reaction in which heat is released and endothermic reaction in which heat is gained In…

Q: Perform the conversions between energy units. 8.70 x 10² kJ = 3255 kcal = 5.27 x 106 J = kJ kcal

A: Energy unit conversions are an essential aspect of physics and engineering, allowing us to express…

Q: Nitrogen gas mixes with hydrogen gas to produce ammonia gas (NH3). How much energy is required or…

A: Energy produced by this reaction is equal to -91.8 KJ/mol N2 + 3H2 -------> 2NH3        DEL Ho=…

Q: What is the most common way that energy is exchanged with the environment during a chemical…

A: The amount of heat required or released in a process is known as the heat change of the process.…

Q: 0 0 0 0 0 The significant increase of world consumption of energy over the last 40 years has been…

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Q: Consider the example of the block released from the spring and then travelling up the circular ramp.…

A: Nonconservative forces are the force of friction or the air resistance force. These forces takes…

Q: QUESTION 5 Which of the following statements is true? Heat is a form of energy, but temperature is…

A: In this question, we will select the correct statement about heat and temperature.  You can see the…

Q: When it comes to energy, which type of reaction is the burning of wood? Is it an endothermic…

A: The given reaction is burning of wood. In this reaction the oxygen is reacted with cellulose to…

Q: NaOH Ph EtOH, heat

A: The reactant is an aldehyde. It reacts with a base sodium hydroxide  and subsequently with the…

Q: Which of the following statements describes the difference between endothermic and exothermic…

A: We know that, Endothermic means absorption of energy and exothermic means energy released.

Q: se the information below to answer questions 1- 3. PCI,(g) 2 PCI,(g) + Ch(g) PCI,(g) decomposes into…

A: Introduction: The rate of reaction is defined as the speed at which formation of product takes place…

Q: State whether these statements refer to either exothermic or endothermic processes: Combustion of…

A: Exothermic reaction: The reaction from which energy is released in the form of heat is called as…

Q: only water transferring energy to creating energy in increases endothermic slow down exothermic…

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Q: An endothermic reaction absorbs energy while an exothermic reaction releases energy. The enthalpy…

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Q: Write the balanced chemical equation for the standard formation reaction of solid calcium oxide…

A: Chemical equation is an equation in which atoms of elements of reactants are placed in left side and…

Q: What is the difference between endothermic and exothermic reactions? Endothermic reactions absorb…

A: For an endothermic reaction, the energy of the products is greater than the energy of the reactants.…

Q: OH X H₂PO4, heat

A: Alcohol gives dehydration reactions when it reacts with a strong acid like H2SO4 or H3PO4 to form an…

Q: Which state has more Kinetic energy?a) Liquid Water b) Solid water c) Water vapor

A: The kinetic energy is energy possessed by an object due to its virtue of motion.

Q: soy sauce compound and constituent element

A: Soy sauce consists of a number of compounds and most of them are acidic in nature. They are listed…

Q: The process of liquid water forming from water vapor is an: Endothermic process, because energy is…

A: The process of liquid water forming from water vapor is done by the process which is known as…

Q: Stage 1 Stage 2 Stage 117 GAS LIQUID-GAS 100 - LIQUID 85 Heat absorbed- (5.) enpiodwel

A: The basic concept is that when any substance is heated, the particles gain energy and thus start…

Q: When sulfuric acid is poured on sugar the volume expands, it turns black and gets very hot. Which of…

A: A reaction is said to be exothermic when heat is liberated during the process.

Q: The Law of Conservation of Energy states, when applied to Calorimetry, states that heat is neither…

A: Answer The low of conservation of energy :- The total…

Q: What are some examples of exothermic and endothermic reactions or processes you've seen in real life…

A: Endothermic reactions are those reactions in which there is a net amount of energy absorbed by the…

Q: Chemical reactions occur when molecules or atoms collide in a way that the bonds between atoms break…

A: Bond formation and breaking involves the activation energy barrier, which determines the rate of…

Q: part 1 Which of the following describes what happens when we burn fossil fuels to produce energy?…

A: The question provides an idea about the the chemical species get generated during combustion of…

Q: As a liquid metal such as mercury is cooled below its freezing point, what happens to the ○ The…

A: We are given that the liquid metal is cooled we have to tell about the average kinetic energy and…