What does one mean by exothermic and endothermic reactions? Give examples.

Q: A balanced chemical equation tells the number of ? of each reactant that combine and the number of ?…

A: we have to fill the missing term in the statement

Q: HNO, H,SO, KMno, H (b) 1. Fe, HCI 2. NaOH NaNO, HCI (4) HO, heat (e) (a) CHOH, H mehybaraben

A: Toulene upon nitration p-nitro toulene is formed  Alkyl benzene upon oxidation with KMnO4 gives…

Q: Balanced Chemical Equation Reaction Type: At completion of reactions: Grams of calcium hydroxide…

A: The answer are as follows:

Q: What kind of reaction happens when a material's energy is released and heat is produced? Endothermic…

A: When energy is released and heat is produced during a chemical reaction, it is called an exothermic…

Q: What happens if you add heat to an exothermic reaction?

A: An exothermic reaction generates heat. if we add more heat, its temperature increases. For an…

Q: A decomposition reaction is a reaction in which two subs

A: A chemical reaction is one when one or more substances combined two forms a new substance this…

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 are the significant concepts about balancing chemical reactions?

A: 1. Balananced chemical equation obeys Law of conservation of mass.  2. Which states that mass is…

Q: Classify these reactions as exothermic of endothermic: a. energy + SO2 (g) b. C3H18 (g) + O2 (g) c.…

A: The answer of the above question is given in following steps

Q: reactant? True or False?

A: Theoriyical yeild  is determined by limiting reagent, rather than from excess  reagent

Q: Propane camping stoves produce heat by the combustionof gaseous propane (C3H8). Balance the skeletal…

A: Balanced chemical equation: A chemical reaction in which the number of atoms of each elements on the…

Q: Give an example of each decomposition and combination reaction?

A: DECOMPOSITION REACTION  The reaction in which a reactant decomposes into two or more products is…

Q: Write a balanced equation for the combustion of liquid methyl alcohol (CH3OH).

A: Combustion of liquid methyl alcohol CH3OH : 2 moles of  liquid methyl alcohol (CH3OH) reacts with 3…

Q: Which of the following reactions are endothermic, and which are exothermic?  a) N2 + 3H2 - 2NH3 +…

A:

Q: what would be the percent yeild for the reaction?

A:

Q: What electrons are most likely to be involved in a chemical reaction?

A: A chemical reaction involves the formation of chemical bonds. These bonds are formed by the loss of…

Q: Balanced Chemical Equation Reaction Type: At completion of reactions: Grams of potassium chlorate…

A:

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

A:

Q: Why is it important to give the physical states of the reactants and productswhen giving an equation…

A: While giving the ΔH of the reaction it is important to mention the physical states of the reactants…

Q: Define the term Combustion Reactions?

A: Combustion is the scientific word which is used for burning something . Combustion reactions are…

Q: In order to calculate the theoretical maximum amount of product produced in a precipitation…

A: – determine how many moles of reactants are necessary to reach stoichiometric quantities – convert…

Q: What happens in a chemical reaction?

A: A chemical formula is a short term notation of a molecule. In a chemical formula the respective…

Q: A student adds a solution of ethanoic acid to zinc carbonate in an open flask on a balance. Explain…

A: Reaction- when zinc metal is added to acetic acid (ethanoic acid)it will give salt +hydrogen gas…

Q: When and how does a chemical reaction occur?

A: When two or more substance interact with each other and their bonds are breaks that place chemistry…

Q: An excess reactant is the only reactant left over when all other reactants have been consumed in a…

A: Given : Different types of reactants.  To find : statement Is True or false.  Solution : As we know…

Q: Use the following term bank to create a: Term Bank H2 KCI Ba(NO,), MgCl, HF Cl, Mg co, Na,So, Baso,…

A: Double displacement reaction : In these reactions, two ionic compounds dissociate into their…

Q: How does a combustion reaction differ from a combination reaction?

A: Combination reaction :- A chemical reaction that makes a single substance from two or more…

Q: In the reaction of hydrogen gas and oxygen gas to form water, the glowing splint provides _________…

A:

Q: Consider these reactions, where M represents a generic metal.…

A:

Q: What is a combustion reaction? And How can you identify whether a reaction is a combustion reaction?

A:

Q: Explain in detail the endothermic and exothermic chemical reactions. Describe each using energy…

A: Explained as follows

Q: The chemical reaction 2 H2O + energy → 2 H2 + O2 is 1. an exothermic reaction. 2. a synthesis…

A: 1 Exothormic reaction :-The reaction in which energy releaseExample :- CS+O2g→CO2g+Energy heat2…

Q: In a combustion reaction, one of the reactants is always

A: Combustion reaction involves burning of substance.

Q: Why are  combustion reaction important? Give an example.

A: Why are combustion reactions important? Give an example.

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: Classify the following reaction • NaCl + AgF → NaF + AgCI O Synthesis (composition) reaction O…

A: Since we know that by Double Replacement Reaction , AB + CD → AD + CB

Q: What is conservation of energy and how does it relate to chemical reactions?

A:

Q: How many moles of KClO₃ must be reacted according to the following balanced chemical reaction to…

A: The reaction given is 2 KClO₃(s) → 2 KCl(s) + 3 O₂(g)                                         ∆H =…

Q: 6. Provide an example of an everyday use/implication of a) synthesis reaction, b) combustion.

A: An example for everyday use of synthesis and combustion reaction has to be given,

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: 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: 2CO2(g) + 5H2(g)→C¿H2(g) + 4H2O(g) AH= 46.5 kJ hen 9.15 grams of carbon dioxide(g) react with excess…

A: CAlculate mole to get value of ∆H

Q: How much energy in kJ is required to decompose 765 g of PC13, according to the reaction below?…

A: When standard enthalpy change of a reaction is given, energy required for decomposition of a…

Q: What is an endothermic reaction? What information on the graph above shows that’s the reaction…

A: Endothermic reaction : It is a reaction in which reactant absorbed energy(heat) from its surrounding…

Q: Calculate the amount (mol) of sucrose that reacted. Molar mass of sucrose = 342.3 g/mol ΔT = 2.14…

A: NOTE: Since there is no reaction given in the question, hence based on the type of the data given in…

Q: Is it correct to say that the smaller the moles of reactants the greater the heat of combustion in…

A: Answer - The heat liberated on complete combustion of one mole of a substance is known as heat of…

Q: Given the data in the table below, determine ΔH°rxnfor the reaction             4NO (g)  +  6 H2O…

A: In this question, we will determine the value of ∆H° reaction. We know the formula, product enthalpy…

Q: What are always the products of a combustion reaction

A: Combustion reaction :- The burning of a compound in excess of air or oxygen is called combustion .…

Q: Enter your answer in the provided box. Consider the combustion of methane:  CH4(g) + 2O2(g) → CO2(g)…

A: The molar mass of CH4 = 12 + 4 = 16 gThe mole of methane (CH4): -1 mole of CH₄ contains 6.022 x 10²³…