A solution of anhydrous sodium carbonate was made by adding 2.33 g of this salt to a 250.0 mL volumetric flask and water was added to make a standard solution. Then 20.0 mL of this solution was titrated by 17.5 mL of hydrochloric acid. What is the concentration of HCl? Show all work.

Q: Use the set of three reactions shown below to answer the questions that follow. 2NO(g) + O2(g) →…

A:

Q: 1. The following statements are true EXCEPT: a. The heat of reaction is also known as the enthalpy…

A: As per rules only the first question can be answered: Heat of reaction = heat of formation of…

Q: the final concentration when water is added to 2.0 L of a 6.0 M NaHCO3 solution so that the final…

A:

Q: Write the standard heat of combustion reaction of acetic acid (liquid)

A: Given  Reactant = Acetic acid  Standard heat of combustion reaction of acetic acid = ?

Q: 3) what mass of mathane must be burned in erder to liberate 12,773 kJ of heat ? ()

A: NOTE : Since it is not clearly mentioned whether the heat released is 12.774 KJ or 12773 KJ, hence…

Q: if you spill some of the hydrochloric acids on the table during the reaction of hydrochloric acid…

A: The heat of neutralization: The amount of heat released by the reaction of one mole of an acid and…

Q: A student dissolves 11.3 g of ammonium nitrate (NH,NO,) in 250. g of water in a well-insulated open…

A:

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

A: Balanced chemical equation for the formation reaction of gaseous hydrogen fluoride (HF):

Q: Find ∆G for the following reaction: 2 Al (s) + 3 Br 2 (l) → 2 Al 3+ (aq) ( 1M) + 6Br - (aq) (1 M)

A: In the given cell reaction, aluminium is being oxidized and bromine is being reduced. The standard…

Q: What is the average kinetic energy of argon atoms at a temperature of 115°F?   What is the average…

A: Given: Temperature (TF) = 115°F   Or TK = (TF + 459.67)×(5/9) Or TK = (115 + 459.67)×(5/9) Or TK =…

Q: mass

A:

Q: The meals-ready-to-eat (MREs) in the military can be heated on a flameless heater. You can purchase…

A:

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

A: For writing a balanced equation of standard formation, we should have the knowledge of the reactants…

Q: Which one of the following reactions would produce the largest amount of heat per mole of hydrogen?…

A: Given(A) C(s) +2H2(g)→CH4(g) , ∆H°=-74.9 kJ/mole ....(1)(B) N2O(g)+3H2(g) →N2H4(g)+H2O(l) ,…

Q: Aluminum chloride can be formed from its elements: (i) 2Al(s) + 3Cl2(g) ⟶ 2AlCl3(s) ΔH° = ? Use the…

A: Given data, HCl(g)→ HCl(aq)                         ;ΔH°=-74.8kJ      ---1H2 (g) + Cl2 (g) →2HCl(g)…

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: (a) Mass of the Calorimeter (two empty cups) in g: 4.0g (b) Mass of the cold water and the…

A: Given data:

Q: Calculate the standard enthalpy change

A:

Q: If 124 kJ of heat is absorbed in a reaction that forms nitric oxide from nitrogen and oxygen, what…

A:

Q: Comparing the two quantities based on the given condition, which is greater I or II? or are they…

A: We will determine the Molecular weight of each of the following

Q: a) Write the balanced equation for the formation reaction of carbon monoxide (CO).   (b) Calculate…

A:

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

A:

Q: a)What is the average kinetic energy of argon atoms at a temperature of 115°F? in joules  b)What is…

A: a) We have to find the kinetic energy of argon at temeperature of 1150 F According to kinetic…

Q: Write a balanced chemical equation for the standard formation reaction of solid calcium hydroxide…

A:

Q: 54. The equation reactions. Use for Fe2+(aq) ar

A: Given ,∆G°=-nFE°cell where, n= number of electron transferred. F=faraday constant = 96500 J/V

Q: Measurements show that the enthalpy of a mixture of gaseous reactants increases by 219. kJ during a…

A:

Q: Which of the reactions are exothermic? 2 Mg(s) + 0,(g) 2 MgO(s) AH = -1203 kJ/mol O NH, (g) + HCI(g)…

A:

Q: For the combustion of pentane: 6 H20 (g) 5 CO2 (8) СЭН12 () + 802 (9) > a) Calculate the AHrxn for…

A: ∆H can be found by the reaction,∆H(products) - ∆H(reactants)

Q: I'm not sure how to do this one.

A: Most of the reaction in coffee calorimeter are endothermic. And doesn’t provide data for calculation…

Q: Chemical cold packs contain ammonium nitrate (NH,NO, molar mass-80.06g/mol). When "snapped" the…

A: Heat absorbed, q = mCsΔT m = Mass of NH4NO3 Cs = Specific heat capacity of NH4NO3 ΔT = Ti = Tf Ti =…

Q: Write the balanced chemical equation for the standard formation reaction of solid calcium oxide…

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

Q: You want to determine the %composition of iron in a soil sample. You dissolved it in LIOH, forming…

A:

Q: Using the following data, calculate the standard heat of formation of ICl(g) in kJ/mol:

A: Interpretation: To determine the standard heat of formation of ICl (g)

Q: Find ∆G for the following reaction: 2 Al (s) + 3 Br2 (l) → 2 Al3+ (aq) ( 1M) + 6Br - (aq) (1 M)

A: In the given cell reaction, aluminium is being oxidized and bromine is being reduced. The standard…

Q: Write a balanced chemical equation for the standard formation reaction of solid magnesium bromide…

A: Standard formation reaction is a chemical equation in which one mole of a substance forms from…

Q: How can we determine ΔH for the reaction between HCl and NaOH from the experimental results if we…

A: Given: Experimental data  Specific heat of water= 4.184 J/g-K Molarity Of HCl= 1M Molarity of NaOH=…

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

A: Redox reactions: Redox reactions are comprised of two parts a reduced half and an oxidized half…

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

A:

Q: For the following reaction, what is the energy released, in GJ/mol? (1 GJ = 1E9 J) Use 2.998E8 m/s…

A:

Q: acid

A: Since you have asked multiple question, we will solve the first question for you.If you want any…

Q: 2NOCI(g) → N2(g) + O2(g) + Cl½(g) given the following reactions: N(8) + 0,(g) NO(g) + ¿Cl,(g) NO(g)…

A: Given reaction  12N2(g) + 12 O2(g)  → NO(g)     :   ∆H = 98.6 kJ     .............. reaction (1)…

Q: the enthalpy (in kJ) for this reaction: 2C(s) + H2(g) → C2H2(9)

A:

Q: Write a balanced chemical equation for the standard formation reaction of solid sodium carbonate…

A: The standard formation of solid Na2CO3  CO2 + 2NaOH --------> Na2CO3 (s) + H2O

Q: Using only data obtained in Lab 9 (The Heat of Formation of MgO), for which reaction would it be…

A: The enthalpy of formation is the heat evolved or absorbed when 1 mol of a compound is formed from…

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

A:

Q: When 3.8 g A are reacted with 8.5 g D,  according to the balanced chemical equation below, 33 kJ of…

A:

Q: What quantity of heat (in kJ) is absorbed in the process of making 0.957 mol of CF from the…

A: Given :- C(s) + 2F2(g)→ CF4(g)  ∆H° = 141.3 kJ/mol  To calculate :-  amount of heat absorbed for the…

Q: Write one equation each for decomposition reactions where energy is supplied in the form of heat,…

A: Decomposition reactions are those types of reactions in which the chemical compound decomposes or…

Q: Magnesium metal, a shiny metallic gray metal, is burned in the presence of oxygen. A bright flame…

A: When Magnesium metal (color : gray ) burned in the presence of oxygen, a bright flame appears (form…

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

A: a) Now, after the combustion of acetaldehyde in bomb calorimeter, the temperature of water rises…