Would the following reaction be endothermic or exothermic? Why? CH4 + O2 --> CO2 +H2O + Energy Endothermic because energy is a product O Endothermic because energy is a reactant O Exothermic because energy is a reactant O Exothermic because energy is a product

Q: The combustion of octane is an exothermic reaction. Which statement is true for an exothermic…

A: The true statement for exothermic reaction is

Q: C2H5OH + 3O2  → 2CO2 + 3H2O        ΔH⁰ = - 791.4kJ/mol How much heat will be released when 10.0g of…

A: Given that,ΔH⁰ = - 791.4 kJ/molOxygen present already is in excess, so don't do anything about…

Q: Endothermic because the energy of the products is higher than the energy of the reactants…

A: We are given the above graph between Potential energy and reaction co-ordinates.

Q: 4.by touching the side of a beaker a student concludes that an exothermic change is taking place…

A:

Q: Fire is an example of X a. exothermic; entering b. exothermic; leaving c. endothermic; entering d.…

A: Exothermic reaction and endothermic reaction: Exothermic reaction : Exothermic reactions are…

Q: 4 Al (s) + 3 02 (g) 2 Al203 (s) ; AH° = -3351 kJ is and therefore heat is by the reaction. a.…

A: The given reaction is : 4Al(s)  +  3O2(g)  →  2Al2O3(s)           ∆H°=-3351 kJ

Q: Suppose you burn a 2.6 g sample of potato chips. You use the heat given off from that process to…

A: Given: The mass of the potato chips burned = 2.6 g The amount of water = 26.0 g The initial…

Q: The complete combustion of octane occurs according to the following balanced equation: 2 C3H18(1) +…

A: The balanced reaction taking place is given as,

Q: What does it mean if the AH value for a chemical reaction is positive? O a. kinetic energy is…

A:

Q: Salve for AH for the reaction given the following data. Tell whether the reaction is endothermic or…

A: Exothermic reaction : A chemical reaction is said to be exothermic, if ΔH for the reaction comes out…

Q: If AH = -54.74 kJ for a chemical reaction, that reaction O is endothermic cannot occur is exothermic

A: In endothermic reaction heat is require while in exothermic reaction heat is given off.

Q: The experimental ?H is -213 kcal/mol. How much heat is released during the combustion of 45.3 grams…

A: We have to find the heat released

Q: Is the following reaction exothermic or endothermic? Choose the correct answer and reasoning. 2 SO3…

A: Ans b ,endothermic  ,because energy was added to the reaction as a reactant . In endothemic…

Q: What type of reaction is CH4(g) +2 O2(g) CO2(g) + H2O0 + 890.4 kJ? ectothermic O unbalanced O…

A: The given reaction is CH4(g)+ 2O2(g) → CO2(g) + H2O(l). It is a combustion reaction.

Q: 8. When the heat in a system is released to its surroundings, this type of reaction is known as: O…

A: Heat is either released or absorbed during a reaction depending upon the energy of reactant and…

Q: Part A: Exothermic and Endothermic Reactions: NH4NO3 Solution CaCl2 Solution Initial water…

A: Given, Initial water temperature of NH4NO3 solution is ----- 22°C. Final water temperature of NH4NO3…

Q: Based on the thermochemical equation shown below, which statement is corred? C6 H12O6(s) + 602 6…

A:

Q: 44. Consider the reaction: C3H8(g) + 5 O2(g) --> 3 CO2(g) + 4 H2O(g), where AH = -531 kcal. Which…

A: The given reaction is  C3H8 (g) + 5 O2 (g) --------------> 3 CO2 (g) + 4 H2O (g)            ΔH =…

Q: What is the change in enthalpy in kilojoules when 2.30 mol of Mg is completely reacted according to…

A: The balanced reaction taking place is given as, => 2 Mg (s) + O2 (g) -----> 2 MgO (s)…

Q: exothermic Is this reaction exothermic, endothermic, or neither? O endothermic O neither If you said…

A:

Q: For the reaction: CH3OHu +3 Ozg → 2 COz +4 HzOn+347 kcal 3 a. Is the reaction endothermic or…

A: Given reaction is :  2CH3OH (l) + 3O2 (g) ----------> 2CO2 (g) + 4H2O (l) + 347 kcal (a). Is the…

Q: 2 SO2 (g) + 2 H2O (1) > 2 H2S (g) + 3 O2 (g) AHrxn 1124 mol a. Is this reaction exothermic or…

A: (a) ∆Hrxn  is basically the change in enthalpy of reaction , if ∆Hrxn is positive it means that…

Q: An exothermic reaction releases heat. O True False

A:

Q: Which does NOT describe an exothermic reaction? a. Heat is released together with the products of…

A: A chemical reaction in which heat is evolved along with products is known as exothermic reaction.…

Q: For exothermic reactions,the products have lower energy than reactants. explain why

A: The question is based on the concept of chemical thermodynamics. we have to explain why products…

Q: 5.44 (a) and (b)

A:

Q: A 4.53 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

A: First Calculate specific heat of salt by using principle of calorimetry. Then use q= mC∆T

Q: Which of the following statements is correct if a reaction is carried out at constant pressure? O…

A:

Q: For the following reaction, is the exothermic or endothermic, and does this reaction absorb or…

A:

Q: An endothermic reaction with a low EA. An exothermic reaction with a high EA.

A: The minimum amount of energy required by the reactant molecules to convert into the products is…

Q: Which statement is correct for the characteristics of an endothermic reaction? Select one: a. There…

A: There are two types of reaction are present -  1) Endothermic reaction  2) Exothermic reaction In…

Q: Part A: Exothermic and Endothermic Reactions: NHẠNO3 Solution CaCl2 Solution b. Initial water…

A: Part A) Exothermic and endothermic reactions In NH4NO3, the final temperature of the solution…

Q: Which of the following represents an endothermic reaction? H2(g) + F2(g) –→ 2 HF(g) AH= -542 kJ C(s)…

A: The question is based on the concept of chemical thermodynamics. we have to identify the endothermic…

Q: The following equation is an example of exothermic reaction. 2H20(g) + heat → 2H2(g) + 02(g) Select…

A: Exothermic Reaction :- heat release by the reactants in reaction Endothermic reaction :- heat absorb…

Q: Is the reaction exothermic or endothermic will any he be released or absorbed. If you said heat will…

A: Reaction that gives out heat , which is accompany by evolution of heat are called exothermic…

Q: 13. Energy is stored in the body in adenosine triphosphate, ATP, which is formed by reaction between…

A: ATP is the cell's energy currency. It is required by the cells for performing various functions in…

Q: Draw an enthalpy diagram for the following reaction: N2(g) + O2(g) → 2NO(g) ΔH = 180 kJ Be…

A: An enthalpy diagram for the following reaction has to be drawn. N2(g) + O2(g) → 2NO(g)

Q: oes s system gain or lose energy as reactants are converted to products?

A: A system may gain or lose energy as the reactants are converted to products.

Q: When 1 mole of CO2(g) reacts with H2(g) to form CO(g) and H2O(g) according to the following…

A:

Q: The following equation is an example of exothermic reaction. 2H20(g) + heat → 2H2(g) + O2(g) Select…

A: Given  2 H2O  + Heat   → 2 H2   + O2 Type of reaction  = ?

Q: In an exothermic reaction:

A: 1) ANS: A SURROUNDINGS ABSORB HEAT FROM THE REACTION MIXTURE HEAT RELEASED FROM REACTION MIXTURE…

Q: Which is not a factor of an endothermic reaction? O AH is negative. O AH is on the reactant (left)…

A: Endothermic reaction means heat absorbed by the system.

Q: A reaction is endothermic. If we add heat to the reaction, will it shift to the right (towards…

A: Given: Reaction is endothermic is nature and heat is added .  To find: Reaction will go in forward…

Q: For the reaction: 2 C020) + 4 H20w + 347 kcal O 2(g) -> 2 CH30H) +3 0, Calculate the amount of heat…

A: When methanol reacts with oxygen or burns with oxygen releases a lot of energy and gives water and…

Q: 2. How many grams of N2 are needed to make -550.0 kJ? N2g) + 3H2g) 2NH3(g) AH = -92.6 kJ %3D

A:

Q: Given: 2 Fe(s) + 3 0,(g) 2 Fe,0,(s) AH°= -789 kJ -> The reaction shown above is and therefore heat…

A: An exothermic reaction is a reaction for which the overall standard enthalpy change ∆H is negative.