Which of the following is evidence of a chemical reaction?    Group of answer choices   Precipitation of a solid in a liquid   A chemical glows   Gas starts to form

Q: What are the chemical products given the following reactants are mixed and the reaction is a double…

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Q: Enter the symbol for the element d. Express your answer as a chemical symbol. AX OA chemical…

A: The electron energy levels in an atom shows the arrangement of electrons in the atom from lower…

Q: Which type has a single compound as a reactant?

A: A→ B + C Where, A is the reactant. B and C are the products.

Q: What evidence of a chemical reaction might you see when the chemical reaction below is run in a…

A: The given reaction is: Na2S (aq)  +  CuSO4 (aq)  ⟶  Na2SO4 (aq)  + CuS(s) Here, by the double…

Q: Sodium metal reacts violently with water because: Group of answer choices It is silver in color…

A: Sodium metal reacts vigorously or explosively with water to form sodium hydroxide (NaOH) and…

Q: Decide whether a chemical reaction happens in either of the following situations. If a reaction does…

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Q: What are the main indications that a chemical reaction hasoccurred?

A: The major indication which happens for chemical reaction to take place has to be given.

Q: Use the molecular art to identify the process as a chemical reaction or a physical change. If a…

A: All matter is made up of atoms. Atoms combine to form molecules.  Molecules form a substance and…

Q: chemical equation.

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Q: A + A-B A-B+ (B A-B+ C-D ↑↑↑↑ A A B + B АНС + B A-D + C-B

A: Given reactions can be named as follows:  1. Combination / Synthesis reaction. 2. Chemical…

Q: Which of the following is indisputable evidence that a chemical reaction took place? O Non e of theS

A: Indisputable evidence is evidence  that is impossible to dispute. Chemical reaction is a process in…

Q: Which of the following is indisputable evidence that a chemical reaction took place?    Group of…

A: A physical change can be measurable without violating the identity of the substance. A chemical…

Q: 7. In part C of the experiment, you are told to dispose of the used chemicals by pouring them into…

A: The acid-base indicators are pH indicators, which show a color change with pH. The weak bases or…

Q: What type of reaction is represented by the following equation: BaCl(aq) + Na:SO((aq) BaSO.(s) +…

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Q: 2. Consider the chemical reaction between NaHCO3 and HCI in the experiment, what was the cause of…

A: Since you have posted multiple questions, we will solve only first question for you. To get the…

Q: 6. Which is NOT an indicator of a chemical reaction? A. temperature change B. formation of a…

A: Physical and Chemical Changes -  Physical changes are those which are usually reversible do not…

Q: A 100.0 mL sample of seawater was tested by adding one drop (0.2 mL) of 0.20 M silver nitrate. What…

A: Given : Concentration of silver nitrate i.e AgNO3 = 0.20 M And volume of AgNO3 added = 0.2 mL = 2.0…

Q: Which of the following represents the generic form of a double-displacement reaction? A) A + B → AB…

A: Double displacement reaction:

Q: Balance the following equation and identify the reaction type (Spelled Correctly!): - OH Reaction…

A: In a balanced chemical reaction number of each atom is same in reactant side with that of the…

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: Consider the following chemical reaction: 2HCl (aq) + Mg(OH)2 (s) → 2H2O (l) + MgCl2 (aq) What…

A: In given reaction state of reactants and product given.

Q: Which of the following is not a general guideline for balancing an equation? A) Write correct…

A: Balancing of chemical equation :- It may be definedas the method of making the Number ofatoms of…

Q: Complete and balance each of the following neutralization reactions. H2SO3(aq)+NaOH(aq)--> Express…

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Q: What are the chemical products given the following reactants are mixed and the reaction is a double…

A: In balanced reaction number of each atom on reactant side is equal to number of each atom on product…

Q: For each chemical reaction identify in the chart:   The evidence of chemical change.   The type of…

A: A balanced chemical reaction is a reaction in which the total number of atoms at the reactant and…

Q: Give the product of the given reactants, balance the equation, and identify the type of changes the…

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Q: Table 2. Four Types of Chemical Reaction Type of Reaction Description USE EACH LETTER a thur…

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Q: Solid potassium iodide decomposes into iodine gas and solid potassium ?

A: Potassium = K Iodine = I2 potassium iodide = KI

Q: Solutions of silver nitrate and aluminum iodide are mixed together, forming solid silver iodide and…

A: When Solutions of silver nitrate and aluminum iodide are mixed together, they form solid…

Q: reactions occur when certain cations and anions combine to produce an insoluble ionic solid called a…

A: Precipitation is a type of displacement reaction in which one the products is formed in the solid…

Q: For his first experiment, Samuel obtains samples of solid acetic acid powder and solid sodium…

A: Acd-Base titration in which the acd and base reacts with each other to form the salt and water. The…

Q: evidence that a chemical reaction took place?     a.A solid substance glows cherry red when…

A: A chemical reaction is the one in which  reactants convert into products. Types of Chemical…

Q: 1a. Which of the following compounds is insoluble in water?    a. silver acetate b. silver iodide c.…

A: The solubility of a compound can be defined as the maximum amount of solute that can be dissolved in…

Q: Predict products and write balanced chemical equations (including physical states for all reactant…

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Q: imagine that a 2.0 m colution of copper 2 chloride is added to a piece of aluminum.  draw a…

A: Interpretation- We have to draw a particular representation of the mixture after any reaction has…

Q: a neutralization reaction for each acid and base HNO3(aq) and Ba(OH)2(aq) Express your answer as a…

A: Balanced Chemical reactions of acid base neutralization

Q: Table 6. 4 (data)         NaOH NaCI NaNO 3 Cu(NO 3)2       AgNO 3       Fe(NO3)3

A: Whenever a chemical reaction occurs , both the form and the chemical composition of the reactant…

Q: Decide whether a chemical reaction happens in either of the following situations. If a reaction does…

A: a) Given: Strip of nickel metal is put into a beaker of 0.071 M AgNO3.

Q: write balanced chemical equations for the following reactions. (1.) iron metal is added to a…

A: Balanced chemical equation is the  chemical equation in which the number of atoms of all the…

Q: Part A Write a balanced chemical equation for this combination reaction, having correctly identified…

A: Part A: The given reaction is a combination reaction in which the product formed is Ca(OH)2.…

Q: Which state of matter typically reacts the slowest in combination reactions?  a. solid b. liquid…

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Q: A constant amount of metal (Mg) about 0.080 g is reacted with two acids (HCl and H2SO4) to produce…

A: Metal reacts with a solution of an acid to produce a soluble or insoluble salt and hydrogen gas…

Q: Consider the following reaction: Enter the complete ionic equation for this reaction. Express your…

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Q: ple Choice: Which of the following shorthand symbols connotes precipitation in analyzing a chemical…

A: Shorthand symbols in chemical reactions are used to represent the reaction in a precise and arranged…

Q: blue. The reaction produces a reddish brown color copper metal and clear aluminum nitrate solution.…

A: According to the given information, the reaction involved can be shown as follows;…

Q: Write a balanced chemical euation for the following observed reactions. Make sure to put in the…

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Q: Which of the following chemical reactions is (are) classified as a decomposition reaction? A.…

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Q: Choose the reaction type(s) for the following reaction.  Be sure to choose all that apply! H2CO3…

A: When we give heat to the molecule and it is break into some small ions or molecule.this type of…

Q: What visible signs indicate a precipitation reaction when two solutions are mixed? Select all that…

A: A precipitation reaction is a reaction in which a solid insoluble product forms as a product which…

Q: Given the chemical equation: NH3 +  O2 ---> N2 + H2O a. Identify the type of chemical reaction is…

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