What do you mean by “aliquot” and “dilution”?

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: snip

A: The given chemical reactions are: (1) N2g + O2g → 2NOg(2) 2NOg + O2g → 2NO2g ∆H value for the first…

Q: how much nitrogen monoxide is formed if 505 kJ of heat are used in its production? N2(g) + O2(g)…

A: N2(g) + O2(g) ==> 2 NO (g)

Q: Differentiate between an exothermic and an endothermic reaction. Give two concrete examples of each

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Q: CS2(l) + 4H2(g) CH4(g) + 2H2S(g) This reaction occur spontaneously as written when all reactants and…

A: The standard Gibbs free energy of given reaction is determined as,

Q: The diagram below represents a reaction shown at the molecular level. Wndl x 00

A: The each black element combines with three other white elements to form the respective product…

Q: A geochemist in the field takes a small sample of the crystals of mineral compound X from a rock…

A: Given thatvolume of distilled water = 800 mL = 0.8 Lmass of the crystals after drying = 0.032 Kg =…

Q: 1. Consider the combustion of liquid C₅H₈ in oxygen gas to produce carbon dioxide gas and water…

A: #1: Liquid C5H8 undergoes complete oxidation to form CO2(g) and H2O(g) as products. Hence C5H8(l)…

Q: 3. AgNO3(aq) + NaC(aq) AgCI(?) + NaNO;(?) a. Given the above double displacement reaction, identify…

A: The state of substance tells about its nature whether it is, solid, liquid or gas. A double…

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: How many grams of ammonium chloride were formed if the reaction released 518 kJ of heat

A: Given :-  N2(g) + 4H2(g) + Cl2(g) → 2NH4Cl                                               ∆Hrxn =…

Q: Consider the following reactions: A B AGn 3 kJ/mol C- B AGrn = 37.3 kJ/mol !3! What is the value of…

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Q: oefficients will balance the reaction in the pictured: __Al + ___HCI ---> ___AlCl3 + ___

A: Balancing the equations occurs in such a way that there is an equal number of atoms on both sides.…

Q: di H:(SO,) + Fm(OH), →

A: Step by step solution are below

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: "The dissolving of NH 4NO 3 is used in chemical cold packs. If 38.2 g NH 4NO 3 is dissolved in 93.4…

A: Dissolution of ammonium nitrate in water is endothermic process . so heat required to dissolve…

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: Given the reactions below, calculate ΔHrxn (in kJ/mol) for the reaction of solid carbon with gaseous…

A: Answer

Q: 2C6H6() + 15 O2(g) – 12 CO2(g) + 6 H20(/) AH = -5.884 x 103 kJ - An unknown amount of C6H6(/) was…

A: Given 2C6H6(l) +15O2 (g) -> 12CO2 (g) + 6 H2O (l) Delta H = -5.884 × 103 KJ  For unknown amount…

Q: The combustion of pentane produces heat according to the equation   C5H12(l) + 8O2(g) ® 5CO2(g) +…

A: ★ Answer : 156.71 grams CO2 are produced.

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: Consider the combustion of liquid C₅H₈ in oxygen gas to produce carbon dioxide gas and water vapor.…

A: According to the policies, we can only answer first 3 subparts of a question at one time. You have…

Q: From the balanced reactions representing complete and incomplete combustions of methane gas, give…

A: Find the molar ratio of oxygen gas to methane gas in complete and incomplete combustion of methane ?

Q: Is dissolving AgNO3 in water an exothermic or endothermic process? What about dissolving MgSO4 in…

A: A chemical reaction in which heat energy is released is called exothermic reaction. Enthalpy is…

Q: Given that 158.05 g of solution increased in temperature by 4.82 "C. how much heat was gained by the…

A: Given that: Mass of solution=158.05grams Change in temperature=4.82°C Specific heat of…

Q: How many moles of H2 are required to produce -2501 KJ of heat in the following reaction?       Heat…

A: Given Chemical reaction:

Q: 8CO2(g) + S13N4(s) AH = +461.05 kJ 8CO + 2N20 + 3SIO2 a) Is this reaction exothermic or endothermic?…

A: a.) Type of reaction acb be determined form sign of ∆H of reaction.  b.) The type of reaction can be…

Q: Is oxygen a reactant or product in a combustion reaction?  Are combustion reactions exothermic or…

A: Combustion reactions are redox reactions involving an oxidant which is usually atmospheric oxygen.

Q: A household water heater containing 50 gallons (227 L) of water is heated burning natural gas…

A: Given: Volume of water heated = 227 L Initial temperature of water = 25.0 oC Final temperature of…

Q: Question attached

A: The total moles of octane, equivalent to 23.1 g of octane, is; nOctane=23.1 g114.23 g/mol=0.20 mol

Q: Consider the reaction of nitrogen monoxide with hydrogen to form nitrogen and water vapor, H2O(g):…

A: Given  Reaction    NO(g) + H2(g)  → 12 N2(g)  + H2O(g)         ∆H = - 332.2 KJ Balance reaction with…

Q: Calculate ASsurr for the following reaction at 25 °C: N2(g) 2 N(g) AH°† (kJ/mol) S° (J/mol ·K) N2(g)…

A: The reaction given is, => N2 (g) ⇔ 2 N (g)

Q: A The equation for the formation of nitrogen monoxide is N2(g) + O2(g) + 90.2 kJ → 2NO (g) a Is the…

A: Exothermic reaction :-  A reaction in which heat is released is known as exothermic reaction For…

Q: 4NH3(g) + 5O2(g)4NO(g) +6H2O(g) H = -905 kJ When 4.92 grams of ammonia(g) react with excess…

A: Given reaction:  4NH3(g) + 5O2(g)------> 4NO(g) +6H2O(g)     H = -905 kJ First convert the given…

Q: The combustion of coal with oxygen forms CO2 and releases 94 kcal of energy. C(s) + O2 CO2(g) a.…

A: We know that enthalpy of combustion is defined the combustion of  per mole reactant .

Q: Concentration of hydrobromic acid (M) 2.01 Concentration of potassium hydroxide (M) 2.15 Calorimeter…

A:

Q: Part D: Enthalpy change for the neutralization reaction of CH3COOH(aq) and NaOH (aq) 1. Mass of…

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Q: 2. What quantity of heat is associated with the synthesis of 35.6 g of NH3 according to the…

A: Nitrogen oxide reacts with water to form ammonia and oxygen. According to the given reaction when…

Q: If 2.36 g of calcium dichloride dissolves in 84.00 g of water in a kalorimeter at a constant…

A: 2.36 g of calcium dichloride dissolves in 84.00 g of water Mass of solution = mass of CaCl2 + mass…

Q: What mass (in g) of fructose, when having undergone complete combustion, will release 6.13 x 102 kJ…

A: Combustion is the process in which carbon compound get oxidized into carbon dioxide and water and…

Q: When CH4(g) reacts with H2O(g) to form H2(g) and CO(g) , 49.2 kcal of energy are absorbed for each…

A: The reactants are CH4 (g) and H2O (g)  And the products are H2 (g) and CO (g)  hence the reaction…

Q: When H,S(g) reacts with O2(g) to form H,0(g) and SO2(g), 124 kcal of energy are evolved for each…

A: The reactants given are H2S (g) and O2 (g) and the products are H2O (g) and SO2 (g) Hence the…

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: In a bomb calorimeter, à sample ber and combusted to CO, and H,0. The combustion chamber sits inside…

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Q: Concentration of hydrochloric acid (M) 2.05 Concentration of sodium hydroxide (M) 2.11 Calorimeter…

A: The data given is,

Q: ) when 2:14 q mercurry axide da heated it duonposla te yild 2:00g mercug amd 0:ju g n arnyaen which…

A: Answer is Law of conservation of mass

Q: 3. A lactory is pumpingihiercury bydroxide (Hg(OH)inta the Vocal lek a1,250 kilogram sample bf lake…

A: