To identify a chemical property, a _____________ must be observed.
Select the correct answer below:
a) chemical change
b) physical change
c) temperature change
option a is correct the correct answer explanation: because to identify a chemical property it has to undergo chemical change.
To identify a chemical property, a _____________ must be observed. Select the correct answer below: a)...
Identify the following as either a Chemical Property or Change (CPC) or a Physical Property or Change (PPC) Chewing food [Choose Baking soda causing food to rise [Choose Draino cleaning out your sink [Choose Bleach removing stains from a shirt Choose Molten Iron cooling into a solid [Choose Lava becoming rock Choose A bunsen burner producing a flame [Choose! Color [Choosel
Energy must be _______ to break chemical bonds and _______ when chemical bonds form. Select the correct answer below: added, released released, added added, added released, released
Which of the following is a chemical property of chlorine? Select one: a. Chlorine combines with sodium to form sodium chloride. b. Chlorine is a gas. c. Chlorine has a low density. d. Chlorine is yellow-green. Gases are incompressible. Select one: True False Which of the following is true of matter/ Select one: a. Matter is a form of energy. b. Matter occupies space. c. Matter is always visible. d. Matter is smooth and continuous. Which of the following is...
4) Theories aim to _____________. Select the correct answer below: a) create applied (or empirical) representations b) take a complex, real-world issue and simplify it down to its essentials c)implement a method to view the world through the same lens as other disciplines, such as anthropology and biology d)build a physical model that sits on a tabletop 5)In command economies, decision-making is ______________. Select the correct answer below: a)determined by the market b)centralized c)decentralized d)decided by familial or traditional skillsets...
For the chemical structure given below, identify the group of protons that is: H3C "CH2 CH a) the most shielded. b) the least shielded. d) the most upfield. c) the most downfield. Select answer Select answer Select answer Select answer
Identify which of the following is a redox reaction. Select the correct answer below: O Mg + 2 HCI + MgCl2 + H, O Si+2F, SF O4 Fe+30, +27,0, O all of the above
Choose the correct evidence of a chemical reaction for each of the following observations: a) adding a piece of zinc metal to acid causes bubbles to form an energy change is observed b) mixing two colorless solutions gives a pink solution a gas is produced c) adding potassium metal to water causes flames an energy change is observed d) adding sodium chloride to a silver nitrate solution causes a white powder to form in the solution an insoluble sold is...
What conditions must a property satisfy to be considered depreciable? Choose all the correct conditions below. A. It must be something that wears out, decays, gets used up, becomes obsolete, or loses value from natural causes. B. It must be a personal property such as a copyright, patent, or franchise. C. It must have a determinable useful life, and the life must be longer than one year. D. It must not be used in business or held to produce income....
select correct answer
In a heating or cooling curve, phase transitions occur when: Select the correct answer below: O temperature is rising O temperature is constant O temperature is falling O none of the above
Identify the physical and chemical properties of carbon and the carbon group Question Carbon monoxide is used in the production of iron from iron oxide by the reaction shown below + 2 Fe(s) + 3 CO Fe,O,(s)+ 3 CO(g) What is the role of carbon monoxide (CO) in this reaction? Select the correct answer below Co is an oxidizing agent. CO is a reducing agent. O co is a Lewis base. CO is a catalyst