When 0.215 g of sodium metal is added to an excess of hydrochloric acid, 2230 J of heat are produced. What is the enthalpy of the reaction as written? 2 Na(s) +2 HC1(aq) → 2 NaCl(aq) + H, (g) Enthalpy of reaction: kJ

Q: When 10.0 g KOH is dissolved in 100.0 g of water in a coffee-cup calorimeter, the temperature rises…

A: Coffee-Cup calorimeter is a device which is used to measure the enthalpy of chemical process at…

Q: When 1.31 g of KClO3 was added to 138.34 g of water in a calorimeter, the  temperature dropped by…

A: mass of KCIO3 = 1.31 g mass of water = 138.34 g Temperature dropped = 0.506 °C Heat capacity of H2O…

Q: 5.2 g of NaOH is added to a coffee cup calorimeter containing 861 mL of 1.10 M acid, where the acid…

A: Given molarity of acid = 1.10 M  Volume = 861 mL  Density of the solution = Density of water = 1.0…

Q: When a 4.25 g sample of solid ammonium nitrate dissolves in 60.0 g of water in a coffee- cup…

A: 1) Since the temperature of the water in coffee-cup calorimeter is decreasing from 22 to 16.9 oC…

Q: The enthalpy change for the reaction of hydrogen gas with fluorine gas to produce hydrogen fluoride…

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Q: When 1.18 g of KClO3 was added to 149.35 g of water in a calorimeter, the  temperature dropped by…

A: Given:Mass of water = 149.35 g.Mass of KClO3 = 1.18 g.specific heat of the solution = specific heat…

Q: A certain chemical reaction releases 368.kJ of heat energy per mole of reactant consumed. Suppose…

A: In case of a calorimeter we can relate the heat change of a system to the product of thenumber of…

Q: When 10.99 g KOH is dissolved in 101.9 g of water in a coffee-cup calorimeter, the temperature rises…

A: When definite amount of substance in any reaction transforms into products, release or absorption of…

Q: The combustion of 1.048 g of benzene (C,H6) in a bomb calorimeter surrounded by 945 g of water…

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Q: When O.376 g of sodium metal is added to an excess of hydrochloric acid, 3910 J of heat are…

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Q: What is the enthalpy change when  2.00 mol of oxygen (O2) react? C12H22O11(s)   + 12 O2(g) →    12…

A: Given,C12H22O11(s) + 12 O2(g)    →    12 CO2(g) + 11 H2O(l)        ΔH = -5644 kJThis means that,…