What is the missing value on the table?    P (atm) V (L) n (mole) T (deg C) 2.79   9.57 163.1 deg C Record your answer in two decimal places

Q: A coffee-cup calorimeter contains 50 mL of water with an initial temperature of 24.8°C. An unknown…

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Q: Calculate the AG°rxn in kJ using the following information. 2 HNO3(aq) + NO(g)- -3 NO2(g) + H2O(1)…

A: Gibbs free energy is a free energy which is utilised to do useful work. It is a state function…

Q: Given the thermochemical equations:  2NaN3 → 2Na + 3N2         ∆H = +42.7 kJ  How many grams of…

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Q: Initial mass of food sample (g) 1.93 Final mass of food sample (g) 0.4: Initial temperature of water…

A: Given: Mass of Water =113.65g The initial temperature of water= 22.00 oC The final temperature of…

Q: CS2(1) + 302(g) CO2(g) + 2SO2(g) Given: C(s) + O2(g) S(s) + O2(g) C(s) + 2S(s) CO2(g) ni AH =…

A: Given, CS2(l) + 3O2(g) ➝ CO2(g) + 2SO2(g)  ∆H = ? a) C(s) + O2(g) ➝ CO2(g)  ∆H = -393.5 kJ b) S(s) +…

Q: N2H4(1) + 2 H½O2(1) → N2(g) + 4H2O(1) N2H4(1) + O2(g) N2(g) + 2 H2O(1) AH° = -622.2 kJ H-(g) + O:(8)…

A: Welcome to bartleby !

Q: 5.50 g of solid sodium hydroxide is dissolved in 175 mL of water. Using a coffee-cup calorimeter,…

A: 4.  Given that,  Amount of solid NaOH dissolved in 175 mL water = 5.50 g Temperature change of water…

Q: Octane (C8H18) is a chemical compound in gasoline. When gasoline burns, the octane reacts with…

A: Octane (C8H18) is a chemical compound in gasoline. When gasoline burns, the octane reacts with…

Q: At a particular temperature, Kc = 1.6 x 10-2 for 2H2S(g) 2H2(g) + S2(g). Calculate Kc for 1/2S2(g) +…

A: The resultant chemical equation is obtained by inversing the original equation and dividing the…

Q: If 281.9 g of water at 13.4 °C absorbs 12.28 kJ of heat, what is the final temperature of the water?…

A: Answer = 23.8 0C

Q: Heating a 15.6 g iron bar changes the temperature by 38.6 degrees celsius. Find the q.

A: Enthalpy change (∆H) is defined as heat change (qp ) at constant pressure. It is proportional to…

Q: A 228-g coin made of zinc is heated and placed in 100.0 g of water at 16.0°C. The temperature when…

A: The heat change during a chemical reaction is ; q=mc∆Tm=mass of substancec=specific heat…

Q: 302(g) > CO2(g) 2SO2(g) CS2(1) + ven: C(s) + O2(g) S(s) + O2(g) C(s) + 2S(s) AH = -393.5kJ CO2(g)…

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Q: Given that H2(g)+F2(g)⟶2HF(g)       Δ?∘rxn=−546.6kJ 2H2(g)+O2(g)⟶2H2O(l)  Δ?∘rxn=−571.6 kJ…

A: Some Basic Rule (1) If we multiply the any number in reaction then in the enthalpy ,that number is…

Q: A coffee-cup calorimeter contains 70 mL of water with an initial temperature of 24.9°C. An unknown…

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Q: A coffee-cup calorimeter contains 50 mL of water with an initial temperature of 24.8°C. An unknown…

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Q: Consider the followin thermochemical equation: 2NH3 (g) + 6H2O (g) -> 1/2 N2 (g) + 9H2 + 5/2 O2…

A: Reversing the equation-2:2NH3 (g)  -> N2 (g) + 3H2 (g) ΔH° =+22.10 kcalReversing the equation-3…

Q: A young patient eats potato as part of her diet.  Typical Energy Values for the Three Food Types…

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Q: + II *00 Question 5 Metal Specific Heat (J/g°C) Calcium 0.643 Iron 0.449 Silver 0.235 Gold 0.129 In…

A: Given, For Silver (Ag): mass of Ag = 31.0 g Initial temperature of Ag (Ti) = 200°C Final temperature…

Q: 3. In the equation AHsoln = AHsohute + AHsolvent + AHmix the term AHsolvent is almost exclusively…

A: The formation of solution involves the breakdown of inter-molecular forces between the solute…

Q: 41. A 25.0 g mercury is heated from 25 °C to 155 °C and absorbs 455 J of heat in the process. What…

A: Amount of mercury = m = 25 g  Initial temperature = T1 = 25 °C  Final temperature = T2 = 155 ° C…

Q: A substance requires 80.2 J of heat to raise its temperature from 32°C to 34°C. If the mass of the…

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Q: B3 Initial water temperature 21 °C B4 Final water temperature 100 °C B5 Temperature change (^ T)…

A: Given: B6 volume of water  mass of water B7 number of calories needed to boil water = ?

Q: is the q? 2. A 789.0 g of water is placed in a freezer. The temperature of water changes from 30.5°C…

A: Solution :        Q is the amount of heat transfer which can be expressed mathematically as  Q=mcΔT…

Q: 50g sample of an unknown metal is heated with 800 joules. If the temperature of the metal increases…

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Q: SiH4 (g) + H2S (g) SiS (g) + 3H2 (g)  Kp = 5.68x1020 at 35 °C. Find the value of Kc?

A: The relation between kp and kc is known. We have to just put all the values in that equation.…

Q: One cup of clam chowder contains 27 g of carbohydrate, 15 g of fat, and 9 g of protein. TABLE 3.7…

A: Welcome to bartleby !  We have to calculate energy of clan powder in KJ and Kcal

Q: An average home in Colorado requires 20. GJ of heat per month. How many grams of natural gas…

A: Given, Amount of heat = 20 GJ = 20 x 109 J  (since, 1 GJ = 1 x 109 J) Enthalpy of reaction (△H°rxn)…

Q: calorimeter at 45.0°C. The final temperature of the water A piece of copper is placed in 75.0 g of…

A: The mass of water is = 75.0 g The initial temperature of the water is = 45.0oC The final temperature…

Q: A coffee-cup calorimeter contains 60 mL of water with an initial temperature of 24.9°C. An unknown…

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Q: When 20 calories of heat is added to 2.0 grams of water at 15 degrees Celsius the temperature of…

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Q: If the volume of the container is decreased, what will happen to the concentration of Cl2(g)?…

A: Given reversible reaction is  CCl4(g) ⇔ C(s) + 2Cl2(g) Given data  ∆H=-113 KJK =1.33 at 25 oC

Q: hixture of nitrogen and neon gas is expanded from a volume of 27.0 L to a volume of 50.0 L, while…

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Q: A coffee-cup calorimeter contains 50 of water with an initial temperature of 24.8 degrees * C . An…

A: Specific heat is the amount of heat required to raise the temperature of a substance by one degree…

Q: H2 (g) + Cl2 (g) – 2 HCI (g) Using the following information, calculate AHrxn for the reaction…

A: Consider the desired equation as: H2g+Cl2g→2 HClg Consider the given reactions as: NH3g+HClg→NH4Cls…

Q: 2116.16 J of energy is equivalent to how many calories?

A: Given :- 2116.16 J of energy  To calculate :- Energy in calorie.

Q: A sample of liquid mercury is heated with an electrical coil. If 27.1 Joules of energy are added to…

A: Heat energy is given by Q:  Q = m c (T2-T1) Where m is the mass of the substance  Mass of mercury =…

Q: A geochemist in the field takes a 47.0 mL sample of water from a rock pool lined with crystals of a…

A: Given that : The volume of distilled water = 47 mLAfter drying, the mass of the crystals  = 8.93 g…

Q: Given the following: 2 Fe(s)  +  3/2 O2(g)  →  Fe2O3(s)  ΔHorxn = -824.2 kJ/mol 3 Fe(s)  +  2 O2(g)…

A: Given the following reactions:2 Fe(s) + 3/2 O2(g)  →  Fe2O3(s)  ΔHorxn = -824.2 kJ/mol      Equation…

Q: The following equation shows the conversion of aluminum oxide (from the ore bauxite) to aluminum:…

A: The the conversion reaction of aluminum oxide to aluminum takes places as follows. 2Al2O3(s)→∆ heat…

Q: A coffee-cup calorimeter contains 50 mL of water with an initial temperature of 24.8°C. An unknown…

A: When sample at given initial temperature is placed in water at lower temperature, sample will lose…

Q: When a 4.25 g sample of solid NH4NO3 dissolves in 60.0 g of water in a coffee cup calorimeter, the…

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Q: Liquid 1 reacts with Liquid 2, producing a solid and a gas. Using this scenario, which supports the…

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Q: Iron (III) oxide decomposed into iron and oxygen gas, 1.70 X 10^3 kJ of heat was absorbed. How many…

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

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Q: Propane (C3H8) is often used to heat homes. The combustion of propane follows the following…

A: Answer: 172.64 grams

Q: 2 NO(g) + 02(g) → 2 NO2(g) AH°rxn = ? Given: N2(g) + 02(g) → 2 NO(g) AH°rxn = +183 kJ 1/2 N2(g) +…

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Q: Carbon disulfide burns in air, producing carbon dioxide and sulfur dioxide. CS2 (1) + 302(g) →…

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Q: When ignited, solid ammonium dichromate decomposes in a fiery display. This is the reaction for a…

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