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: say you have a super saturated solution which you stick a tooth pick and the mixture changes, is…

A: Given: A supersaturated solution in which you stick a toothpick and the mixture changes.

Q: Which of the following metals is least chemically reactive?  potassium  sodium  iron  magnesium…

A: The reactivity of s block metals are very high due to presence of just either 1 or 2 electrons in…

Q: In Law of Conservation of mass, is there an exception to this law? I read some that gas is an…

A: The Law of Conservation of Mass dates from Antoine Lavoisier's 1789 discovery that mass is neither…

Q: State whether the kinetic energy of the underlined object increases or decreases as a result of the…

A: Kinetic energy is the energy an object possesses due to its motion.An object of mass (m) moving at…

Q: A chemical reaction occurs when two or more particles bounce apart. O True O False

A: Collision theory of reaction rate:According to the collision theory of reaction rate, the randomly…

Q: 2. Suppose 0.250 kg of methane are burned in air at a pressure of exactly 1 atm and a temperature of…

A:

Q: The change of liquid water to ice is known as Group of answer choices chemical change oxidative…

A: There are two types of chages that can occur in all natural process. These are chemical change and…

Q: Define the following terms  Centrifuge Supernatant liquid Precipitation Decant Washing precipitate

A: Given Centrifuge Supernatant liquid Precipitation Decant Washing precipitate

Q: Benzene is a chemical compound in gasoline. When gasoline burns, the benzene reacts with oxygen. 2…

A:

Q: NH2 HONO 1 2 0°C

A: HONO is formed by the reaction of HCl on NaNO2

Q: Energy  the matter possesses due to its position is called ? kinetic energy potential energy…

A: Kinetic energy: Energy because of the motion of the object Potential energy: Energy because of the…

Q: Students react zinc with hydrochloric acid to produce zinc chloride and hydrogen gas in a test tube.…

A: The law of conservation of mass states that "mass can neither be nor be destroyed." In a chemical…

Q: What are two evidences that would indicate that a double replacement reaction occurred?

A: Double displacement reaction : It involves the exchange of cations and anions of the reactants.…

Q: rogen sulfide, H2S, is produced during decomposition of organic matter. When 0.4190 mo H2S burns to…

A: Given, Heat released = -217.0 KJ

Q: Is the solution of ammonium chloride in water an exothermic or endothermic process.

A: When ammonium chloride is dissolved in water, it produces an endothermic reaction, i.e. energy is…

Q: Which of the following are exothermic reactions and which are endothermic? (a) the burning of…

A: •EXOTHERMIC REACTION:- Exothermic reaction are those reactions which produces heat and their…

Q: What property of sodium chloride is used to separate it from the sand? Group of answer choices…

A: Solubility :Based On solubility ,sodium chloride is separated . Sodium chloride is soluble in…

Q: When water is boiled, it is converted into a gas. When gasoline is burned, it too is converted into…

A: To solve the question we have to know the difference between boiling and burning. Then we will get…

Q: Gasoline is composed of a variety of different liquid hydrocarbons, which do not separate as time…

A: Gasoline is composed of a variety of different liquid hydrocarbons. These hydrocarbon does not…

Q: 1) NaOEt 2) Br 3) H3O*, heat

A:

Q: Combustion of hydrocarbons such as nonane (C,H20) produces carbon dioxide, a "greenhouse gas."…

A: When a hydrocarbon reacts with oxygen then, it will form carbon dioxide and water and liberate huge…

Q: Magnesium will burn in air to form both Mg3N2 and MgO. What mass of each product would be found if…

A: The mass of a compound is determined by the number of moles of compound and its molar mass. The…

Q: Determine whether each description corresponds to an endothermic reaction or an exothermic reaction.…

A: During a reaction, if the heat is evolved/released-Exothermic process. If the heat is absorbed-…

Q: What is not true about water? Group of answer choices Water has an exceptionally high specific heat…

A: In this question, the incorrect (no true) statement has to be chosen. a) Water has an exceptionally…

Q: Dinitrogen tetraoxide and nitrogen dioxide are two gases that exist in equilibrium at a range of…

A: At higher temperatures, the production of NO2 is highly favored as evidenced by the persistent brown…