Based on the model, where do atoms in the products of a chemical reaction come from? How do you know?

Q: Match what is happening to the evidence of chemical reactions it represents. Then explain how the…

A: A chemical reaction involves the conversion reactants into products. It involves the breaking of…

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: What are the coefficients of the balance equation? 2) What is the total number of electrons…

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Q: 3-The function of scientists is to while that of engineers is to O The function of scientists is to…

A: The main work of scientists is to explore the new things about the universe whereas engineers apply…

Q: In the types of reactions experiment, copper(II) sulfate pentahydrate was heated, then water was…

A: The formula of  copper(II) sulfate pentahydrate is CuSO4.5H2O When the reactant  copper(II) sulfate…

Q: Consider these reactions: Reaction 1: H2 (g) + Cl2 (g) → 2HC1(g) AH = -184.6 kJ Reaction 2: 20F2 (g)…

A: -> If ∆H =+ve => reaction is endothermic reaction. -> if ∆H = -ve => reaction is…

Q: what kind of reaction do two or more substances combine to form a new compound? Choose the correct…

A: Reaction word describes when any two or more substances combine and form a new substance. It is…

Q: The different types of chemical reaction and give examples

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Q: List each of the four types of chemical reactions andgive an example for each type.

A: To find: The four type of chemical reaction with example

Q: Table of Reactants and Products Molecular weight (g/mol) Amount used or Density (g/mL) Moles used or…

A: Given, Molecular weight of salicylic acid = 138.121 g/mol Amount used or recovered = 0.880 gm Moles…

Q: What do you call the substances on the left side of a chemical equation? A. Products B. Yields C.…

A: Given : Chemical Reaction  To find : Name of species present on the left side of a reaction

Q: Which process is a chemical reaction?(a) Gasoline evaporating from a gasoline tank(b) Iron rusting…

A: A chemical reaction is that process in which one or more reactants react with each other and form…

Q: What type of reaction is: NH4NO2 (aq) ----> N28) + 2 H2O () double replacement decomposition…

A: The different type of reactions are defined as follows --- Double replacement reaction: The double…

Q: Which observation is consistent with a chemical reaction occurring? Why?(a) Solid copper deposits on…

A: (a) Solid copper deposits on a piece of aluminum foil when the foil is placed in a blue copper…

Q: Describe any 4 types of chemical reactions. Write one example for each type.

A: 4 types of chemical reactions are  1. Addition reactions 2. Decomposition reactions 3. Displacement…

Q: Consider these reactions: Reaction 1: H₂(g) + Cl₂(g) 2HCl(g) AH-184.6 kJ Reaction 2: 20F₂(g) O₂(g) +…

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Q: What are the 3 things you could do if you wanted to make a chemical reaction happen faster?

A: A chemical reaction can happen faster by the following ways: 1. Adding an appropriate catalyst. 2.…

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: Explain the importance of water in the chemical reaction.

A: Water is an ideal medium for chemical reactions as it can store a large amount of heat, is…

Q: 1) You are the production manager of an electric vehicle manufacturer. Each car requires 2…

A: Each car require 2 battery and each battery require 55 Kg Li.  Here source of Li is LiCl. The…

Q: 25: Which observation is consistent with a chemical reaction occurring? Why? Solid copper deposits…

A: A chemical reaction is usually accompanied by easily observed physical effects such as emission of…

Q: Write a word equation for the following chemical equation:

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Q: The equation for the reaction of KHP and NaOH shows a 1:1 ratio for the two reactants.…

A: From the reaction: Since, from this equation it is clear that 1 mole of KHP solution require 1 mole…

Q: Determine the type of the following chemical reaction: CuCl2(aq) + NaOH(aq) -------------->…

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Q: What is a chemical reaction? Can you write an example of one?

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Q: List down at least 5 pieces of evidence that a chemical reaction took place.

A: A chemical change is the transformation of one material into another, resulting in the formation of…

Q: If a reaction slows down when the concentration of the reactants get low what type of reaction would…

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Q: (b. iron(III) ion (c) oxide ion (d) iron metal For the reaction in problem 15, the substance being…

A: Solid is one of the four states of matter. The other three states of matter are liquid, plasma and…

Q: Section 5.2 Classifying Chemical Reactions 1. Classify the following reactions as synthesis,…

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Q: What is the amount of excess reactant left over at the end of the reaction. Use the first image as…

A: Since H2SO4 produces the smallest amount of the products, it is the limiting reactant.  Hence we…

Q: 25: Which observation is consistent with a chemical reaction occurring? Why? Solid copper deposits…

A: “Since there are multiple questions and it is not mentioned that which one has to be solved so I am…

Q: Classify each of the following reactions(or descriptions of reactions)as a combination,…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: %24 4. What kind of reaction is this? Ba(CIO3)2→BAC12+302 O Combustion O Synthesis O Sirgle…

A: Decomposition reaction can be defined as the chemical species breakdown into smaller chemical…

Q: What do we mean when we say that the transfer of elec trons can be the "driving force” for a…

A: When a reaction takes place by virtue of elctron transfer of the main reason for the reaction is…

Q: In the complete combustion of liquid octane, 2 C3H18 (1) + 25 O2 (g) --> 16 CO2 (g) + 18 H20 ()…

A: This problem will be solved by using the stoichiometry of the given balanced chemical equation.

Q: Balance Equation: 2Al + 3CuCl2 * 2H2O -> 2Cu + 2AlCl3 + 6H20 1. Reproduce the following table in…

A: Redox reaction is that reaction in which a species a gets oxidized by losing electrons and another…

Q: lighting a candle provides light and heat. Placing a beaker over the flame, I see the flame goes…

A: A combustion reaction is a reaction in which a substance reacts with oxygen gas, releasing energy in…

Q: Match symbols with their definition v indicates that the substance is dissolved in water A v…

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Q: Give an example of single replacement reaction in daily life and explain why it is similar to single…

A: There are many type of chemical reaction exist such as combination reaction, replacement reaction.

Q: For each of the following balanced chemical reactions, identify the type of chemical reaction. If…

A: 2Na(s) + Cl2(g) ---> 2NaCl(s) The given reaction is simple formation reaction.     4PCl5(g)…

Q: Consider these reactions: Reaction 1: H2(g) + Cl2(g) 2HC1(g) AH = –184.6 kJ Reaction 2: 20F2(g) →…

A: In given question we have three reactions and we need to tell which one of these reaction is…

Q: How does chemical reaction seen in real life situations? And what are their importance in real life…

A: When one or more molecules react/interact with each other to form one or more new molecules, the…

Q: What are the significant concepts in chemical reaction? What are the major takeaways?

A: The significant concepts in chemical reaction - Chemical reactions involve breaking chemical bonds…

Q: ) What are the coefficients of the balance equation? 2) What is the total number of electrons…

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Q: The type of reaction that has only one product from multiple reactants is called

A: Reactants combine together to form products. The amount of reactants decreases with time and that of…

Q: What mass of oxygen is needed for the complete combustion of 6.70×10−3 gg of methane? Express your…

A: The balanced reaction for the combustion of methane is: CH4+2O2→CO2+2H2O Calculation of no. of mol…

Q: Reaction Type Balanced Chemical Reaction SrO > Cu(NO3)2(aq) + H2SO4(aq) + KOH(aq) > Al) + S8(6) >…

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

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Q: The reaction of a metal with Oxygen and water as a catalyst, Produces

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