Which of the following is the formation reaction for Na2CO3 (s)?   A. 2 Na(s) + C(s, graphite) + 3 O(g)  → Na2CO3(s)   B. 4 Na(s) + 2 C(s, graphite) + 3 O2(g)  → 2 Na2CO3(s)   C. 2 Na(s) + C(s, graphite) + 1.5 O2(g)  → Na2CO3(s)   D. Na2(s) + C(s, graphite) + 1.5 O2(g)  → Na2CO3(s)   E. 2 Na(g) + C(g) + 1.5 O2(g)  → Na2CO3(s)

Q: Reaction 2: Solid sodium hydroxide reacts with aqueous hydrogen chloride solution to form water and…

A: Three exothermic  reactions involved in this neutralisation reaction are:- 1) dissolution of NaOH in…

Q: Write a balanced equation for the formation reaction of each of the following substances: (a)…

A:

Q: Explain why each of the following chemical equations is not a correct formation reaction: a) 4…

A: Formation reaction :-  Chemical reaction which represents formation of one mole of a substance from…

Q: mass of empty calorimeter (g) 22.39 mass of hot water (g) 119.4 initial temp (Celsius) 64.43 mass…

A: When ice would be placed in hot water , hot water would release heat and ice would gain heat . At…

Q: Consider the following reactions: (i) Nacl + H20 + CO2 + NH3 A + B Heat (ii) 2B >C + H20 + D B, C…

A: Decomposition reaction are those in which reactant decompose to form new products.

Q: Write the balanced formation reaction, including physical states, for liquid tribromomethane, CHBr3.

A: The compound given is liquid CHBr3.

Q: Many cars can run on a mixture of gasoline and ethanol,C2H5OH (density = 0.789 g/mL). What mass of…

A:

Q: 3. Iron (III) oxide + carbon monoxide produce iron + carbon dioxide (Fe = 0 KJ) Fe203 (s) + 3 CO (g)…

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

Q: For the following chemical reaction,                                             N2 (g) + 3 H2 (g)…

A: Limiting reagent is the reactant that is completely consumed in the reaction.  therefore limiting…

Q: Which of the following is the formation reaction for Na2CO3 (s)?   A. 2 Na(s) + C(s, graphite) + 3…

A:

Q: Write a balanced chemical equation for the standard formation reaction of gaseous hydrogen bromide…

A: Standard enthalpy formation of reaction is tge formation of one mole of compound from its…

Q: c) HCI (3) ii) Conversion of ice into water is an example of.. d) NH3 .....reaction. a) endothermic…

A:

Q: What type of reaction is the following: 2Cr(s) + 3Cd(NO3)2(aq) 2Cr(NO3)3(aq) + 3Cd(s) O single…

A:

Q: Consider the decomposition reaction ? — CưOXs) + CO,(E) for which the products are given, but the…

A:

Q: From the following reactions, determine the reactions that are exothermic. (i) F(g)+e¯ →F¯(8) (ii)…

A: i) F (g) + e- ------> F- (g) Electron affinity is defined as the amount of energy released by…

Q: Manganese commonly occurs in nature as a mineral. The extraction of manganese from the carbonite…

A: First step :  2MnCO3(s) + O2(g) -------> 2MnO2(s) + 2CO2(g)  Second step :  3MnO2(s) + 4Al(s)…

Q: Choose the correct classification of chemical energy process for the reaction shown below N2(g) + O2…

A: Endothermic process , the given reaction belongs to endothermic process.

Q: The decomposition of 2 mol of water to hydrogen and oxygen requires 137 kcal of energy. The reaction…

A: Start by taking a look at the thermochemical equation given to you                   2 H2O ( l ) +…

Q: 1. Consider the equation:S+302 SO3 (a) Is this equation balanced? Why or why not? (b) If it is not…

A: Given reaction is a redox reaction . Loss of electrons is oxidation .gain of electrons is reduction.…

Q: Question is attached

A: The chemical reactions include various types they are combination reaction, displacement reaction…

Q: From the following reactions, determine the reactions that are exothermic. (i) F(g)+E¯→F"(g) (ii)…

A:

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

A: In-order to find the enthalpy change of the desired reaction, the given reactions has to be written.…

Q: Phosphoric acid, which is commonly used as rust inhibitor, food additive and etching agent for…

A:

Q: Which graph corresponds to this reaction? NH3(g) + HCI(g) 5 NH,CI(s) D AG AG AG AG +

A: In this question we are given a chemical reaction and we have to choose the correct graph between…

Q: Phosphoric acid, which is commonly used as rust inhibitor, food additive and etching agent for…

A: Given, The first step, phosphorus and oxygen react to form diphosphorus pentoxide: P4(l) + 5O2(g)…

Q: This will produce the greatest amount of carbon dioxide per kilometer travelled   A. LPG B. diesel…

A:

Q: Data Table 1: NaHCO, Reaction Data Mass of evaporating dish (g) 47.19919 Mass of evaporating dish +…

A:

Q: Phosphoric acid, which is commonly used as rust inhibitor, food additive and etching agent for…

A: Chemical reactions can be added, subtracted, or multiplied like an algebraic equation.

Q: Phosphoric acid, which is commonly used as rust inhibitor, food additive and etching agent for…

A:

Q: In the following equation for a chemical reaction, the notation (s), (1), or (g) indicates whether…

A: Chemical equation is an equation in which atoms of elements of reactants are placed in left side and…

Q: Methane is an odorless, colorless, flammable, greenhouse gas. It is used primarily as fuel to make…

A: This Is the reaction of Combustion reaction where CH4 is Burned in the presence of Air or say O2.…

Q: Lead (Pb) has been used for centuries. The Romans used it in their plumbing systems - the symbol for…

A: An exothermic reaction is the reaction in which energy is evolved in products.  But an endothermic…

Q: The thermite reaction, used for welding iron, is the reaction of FegO4 with Al. 8 Al (s) + 3 Fe3O4…

A:

Q: Phosphoric acid, which is commonly used as rust inhibitor, food additive and etching agent for…

A: A chemical reaction can be added or subtracted like an algebraic equation.

Q: Consider the following unbalanced chemical reaction: Al (s) + HCI (g) → AICI3 (g) + H2 (g)

A:

Q: The reaction shown below represents the formation reaction of water. 2 H2 (g)   +   O2 (g)   →   2…

A: The solution is as follows :

Q: When potassium metal is placed in water, a large amount of energy is released as potassium hydroxide…

A:

Q: The copper mineral chalcocite, Cu2S, can be converted to copper simply by heating in air:

A: 1) according to equation  1 mole Cu2S   give 2 mole Cu  So for 1 mole Cu , 0.5 mole of Cu2S is…

Q: E:OH, heat 1. E:ONA, E1OH 2. Br heat H2 ? Lindlar's Catalyst 2.

A:

Q: Write the net chemical equation for the production of phosphoric acid from phosphorus, oxygen and…

A: The phosphoric acid is called as orthophosphoric acid and phosphoric (V) acid.  It is a weak acid.…

Q: Reaction 3: N2 (9) + 202 (g) → 2NO2(g) AH= +66.4 kJ Complete the table for Reaction 3. Assume the…

A: The reaction given is, =>

Q: Which one of the equations below is an exothermic reaction? A) CO2 (g) → C (s) + O2 (g) AH° = 394…

A: CaO(s) + H2O(l)  Ca(OH)2(aq) +∆H = -64 KJ/mol because, for exothermic reaction, sign of ∆H is always…

Q: Determine the amount of heat absorbed when 35.77 grams of O, are produced according to the equation.…

A: A reaction will proceed by either absorption of heat (endothermic reaction)or else by releasing heat…

Q: Phosphoric acid, which is commonly used as rust inhibitor, food additive and etching agent for…

A:

Q: Hydrazine, N2H4, is a colorless liquid used as a rocket fuel.  Which of the reactions represents the…

A: Given reactions: N2 (g)   +   2 H2 (g)   →   N2H4 (l) 2 N2 (g)   +   4 H2 (g)   →   2 N2H4 (l) 1212…

Q: Write a balanced equation for the formation reaction of each of the following substances: (a)…

A:

Q: A reaction uses a solution in which solid sodium chloride is dissolved in water. Which symbol…

A: Solid sodium chloride dissolves in water and dissociates into sodium cation and chloride anion.

Q: Choose the formation reaction that represents for liquid methanol (CH3OH):       a.  CH3OH(l)   →…

A:

Q: The chemical reaction CaO + H2O → Ca(OH)2 is exothermic. This means that: O A. the reaction releases…

A: The given reaction is : CaO + H2O ---------------> Ca(OH)2  Given this reaction is an exothermic…