Students can develop alternative conceptions (commonly called misconceptions) in relation to some core concepts in chemistry. Consider each of the following ideas expressed by students and suggest how you would address these incorrect ideas through experimental work and class discussion: In the reaction of Fe + S --> FeS, adding 10 g of Fe to 10 g S will produce 10g of FeS.

Q: Change 1.25 x 10^25 atoms of yttrium into moles of yttrium

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Q: Write the balanced equation for the following situation. List the reaction type. Tell the amounts of…

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Q: Follow the format used in the image. 1.29 dag of sodium chloride is reacted with 25.0 dag of silver…

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Q: What is the difference between a reactant and a product?

A: The substance that is present left side of the arrow in a chemical reaction are called reactant and…

Q: Consider a reacting mixture consisting of 5 molecules of oxygen and 2 molecules of hydrogen reacting…

A: The question is based on stoichiometry  of a reaction highlighting concept of limiting reagent. A…

Q: ulfuric acid, H2SO4, can be neutralized by sodium hydroxide, NaOH. The unbalanced equation is:…

A: According to conservation of mass, mass cannot be created or destroyed.

Q: Baking soda is a pure substance, sodium bicarbonate. Vinegar is a mixture of acetic acid dissolved…

A: Given that -  Vinegar Solution in water and solid sodium bicarbonate react to give following…

Q: 1. What gas is being collected in today's experiment? 2. Balance the following reaction: H,O, (aq)…

A: Given that : The data from the two trials for the experiment is given below :

Q: C3H8 + 5O2 ---> The reactants of a chemical equation are given above. In a balanced chemical…

A: The given reaction is the combustion reaction in which burning of hydrcarbon in presence of oxygen…

Q: elemental phosphörus in a two step process. In the first step, phosphorus and oxygen react to form…

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Q: A 6.5x103 kg sample of titanium (IV) chloride is reacted with a 1.24x103 kg sample of magnesium,…

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Q: fill in the blanks to properly balance this equation  __Agl+ __Na2S= __Ag2S+ __NaI

A: We are to balance the given equation  __Agl+ __Na2S= __Ag2S+ __NaI We will use simple hit and trial…

Q: 1. Any chemical equation has 5 main parts: The Reactants, Yield Sign, Products, Subscripts, and…

A: A reaction has main 5 parts. Reactants, products, yield sign, subscripts, coefficients

Q: Write a balanced molecular equation describing each of the following chemical reactions. You may use…

A: Water vapour is the water in a vapour state, thus the phase of water vapour is gas. Sodium is an…

Q: The reaction of coal and water at a high temperature produces a mixture of hydrogen and carbon…

A: Calculate the number of moles of CO. The molar mass of CO is 28 g/mol.

Q: In the chemical equation above, if you count the atoms on the reactant side, there are

A: In the chemical equation above, the number of atoms on the reactant side is to be determined- 4…

Q: What is always conserved in a chemical reaction? A) moles B) volume C) atoms D) molecules E)…

A: Chemical reaction is process in which one substance(reactant)is/are changed to another…

Q: hydrogen bromide (HBr).   If 7 moles of hydrogen gas are mixed with 5 moles of bromine gas, how…

A: Given the reaction between hydrogen gas and bromine gas to form gaseous hydrogen bromide (HBr).…

Q: Balance the following equation showing the reaction that occurs between HBrO3and Al(OH)3 and answer…

A: This is an acid -base reaction or you can say neutralization reaction.

Q: Consider the following reaction: 2CH3OH(g) + 302 (g) →2CO2(g) + 4H,O(g) Each of the following…

A: Balanced chemical reaction is given by, 2CH3OH(g)+3O2(g)→2CO2(g)+4H2O(g)

Q: 1a.) Create a graphic organizer or a flow chart to illustrate the steps to find % the yield of a…

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Q: 1. How is the chemical equation balanced? a. changing the subscript c. adding coefficient b. adding…

A: The questions given are, 1. How is the chemical equation balanced?a. changing the subscript c.…

Q: Which of the following statements about limiting reactant is always true? You can find limiting…

A: We know that, in a chemical reaction limiting reactant is the reactant that is consumed first and…

Q: Hydrogen and nitrogen react to form ammonia: H2 + N2 ----------> NH3    A student has 0.96 moles…

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Q: How to write a chemical equation for: _______Cu (s) + _____ O2 (g) ---> ______   Could you…

A: The given equation is to be completed-

Q: Bar folder. Or import from another browser. Import favorites Write a balanced equation describing…

A: The balanced chemical equation can be described as the type of the equation in which the number of…

Q: Reactants Products

A: Given diagrams,

Q: Question 29 of 32 Thermite welding (balanced reaction shown below) is often used to fuse together…

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Q: Tin forms two different stable compounds with bromine, and both can be decomposed to elemental tin…

A: We shall use the concept of stoichiometry to derive the correct answer out of given four options.…

Q: The concept of determining which reactant is limiting and which is in excess is akin to determining…

A: The limiting reagent refers to the compound that is fully utilized after the completion of chemical…

Q: Q. 1) Complete and balanced the following chemical equations. Assume complete reaction and indicate…

A: Chemical reactions are those reactions which undergo any chemical change. Chemical reaction is…

Q: Which of the following is true for a limiting reactant?  It is the reactant whose atoms remain…

A: Limiting reactant and excess reactant are part of any chemical reaction which are related to number…

Q: 1. Look at each of the following reactants below. In each case, predict the products of the chemical…

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Q: Write the balanced equation for the following situation. List the reaction type. Tell the amounts of…

A: Please find the attachment.

Q: For the reaction shown, compute the theoretical yield of the product (in moles) for each of the…

A: Given:Balanced chemical reaction:

Q: The reusable booster rockets of the U.S. space shuttle use a mixture of aluminum and ammonium…

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Q: Avogadro's Law This law explains why bread and other baked goods rise. Yeast or other leavening…

A: According to Avogrados law at constant temperature and pressure the volume of a gas is directly…

Q: a. The wood in the splint consists mostly of carbon. The combustion of carbon produces carbon…

A: a. Combustion of carbon produces carbon dioxide, CO2 .b. Combustion of sulfur produces sulfur…

Q: Use the References to access important values if needed for this question. When the following…

A: The given reaction is, Fe2O3(s) + Al(s) → Al2O3(s) + Fe(s) Multiply Fe(s) with 2 in order to balance…

Q: Differentiate between reactants and products. How do you write a chemical equation? Why is chemical…

A: The difference between reactants and products are : Reactants Products Substances that…

Q: Reactants Products 2 NO(g) + O2 (g) 2 NO,(g)

A: A reagent that is completely used up in a chemical reaction is called a limiting reagent. A reagent…

Q: the balanced equation for the following situation. List the reaction type. Write Tell the amounts of…

A: Please find the attachment.

Q: Write a balanced chemical equation based on the following description: butane gas and oxygen gas…

A: For burning of hydrocarbon ,we should balance the carbon atom first after that hydrogen atom, and in…

Q: In the reaction between CO and Fe3O4, the theoretical yield in an experiment is calculated to be…

A: Therotical yield of Fe = 47.2 gm  Experimental yield of Fe = 30.3 gm

Q: 1. A chemical equation is consists of the chemical formulas of the reactants and products. How is a…

A: 1) According to law of mass balance,the mass reactants must be equal to the mass of products after…

Q: 4.62 g sample of methane (CH4) is reacted with 15.1 g of oxygen. What is the maximum amount of water…

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Q: Nitrogen oxide is oxidized in air to give brown nitrogen dioxide. 2 NO(g) + 0,(g) → 2 NO,(g) If you…

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Q: the balanced equation for the following situation. List the reaction type. Write Tell the amounts of…

A: Here we have to predict the types of reaction and amount of excess reagent left if 13.33 cg  of…

Q: 1. In chemistry, especially in balancing, what does "-->" mean?  2. Why is it necessary to balance…

A: Chemical equations are symbolic representations of chemical reactions that express the reactants and…

Q: The following are actual student responses to the question: Why is it necessary to balance chemical…

A: To find : Why is it necessary to balance chemical equations.