Bunsen burners use methane (CH4). The required amount of heat to make my morning coffee is 109.8 kJ. How many (grams) methane is needed to make my morning coffee?   CH4(g) + 2 O2(g) ⟶⟶ CO2(g) + 2 H2O(g) Δ?=−802.30??

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A: According to the given reaction, 393.5 kJ of heat is produced on the formation of one mole of carbon…

Q: In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used…

A: The heat released or gained by a substance is given as: q=mc∆T

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Q: In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used…

A: The relation between heat and heat capacity can be given as  q=mc∆T where, q=Heatm=Mass of…

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Q: Pentaborane, B5H9, was once studied as a potential rocket fuel. Calculate the heat given off  when 1…

A: 2B5H9 + 12O2 ------> 5B2O3 + 9H20  Enthalpy of reaction  = Sum of enthalpies of products-sum of…

Q: In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used…

A:

Q: The same student wanted to determine the heat of dissolution for potassium chlorate (KClO3, MW:…

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Q: heat capacity

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Q: 3. When 21.45 g of potassium nitrate was dissolved in water in a calorimeter, the temperature fell…

A: In this question, we have given,Mass of Potassium nitrate (KNO3)= 21.45 gHeat capacity = 682…

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A: Since you have asked multiple questions, we will answer only the first question for you. In order to…

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A: Answer:Here:

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Q: The thermite reaction is a very exothermic reaction in the form: 2Al(s) + Fe₂O3(g) 2Fe(s) + Al2O3(s)…

A: 2Al(s) + Fe2O3(g) ----> 2Fe(s) + Al2O3(s)Energy required= 50 kJWeight of Al = 3.18 gm

Q: what is the amount of internal energy (in joules) for a system that has performed 1478.714 J of work…

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Q: How many moles

A: The balanced chemical reaction,  2Ga(ClO3)3 -----> 2GaCl3 + 9O2 □H = -130.4 kJ Form the balanced…

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A:

Q: In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used…

A:

Q: What is the heat of reaction (qrxn) if 20.0 mL of aqueous H2SO4 reacted with 20.0 mL of aqueous…

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Q: 1. During an experiment, a student added 35 J of heat to a system. At the same time, the environment…

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Q: For the combustion of methane(CH4)   CH4 (g)  + 2 O2 (g)  -->  CO2 (g) + 2H2O (g)       Δ H = -882…

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Q: 3. Given the following equation: 2H2(g) + 02(g) → 2H20(1) ΔН = -484 kJ/mol What is the enthalpy…

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Q: propane (C:H8) produces 2220 kJ of = consumed. What mass in grams of eat 55.0 gal of bathtub water…

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Q: If a system has 225 kcal of work done to it, and releases 5.00 x 102 kJ of heat into its…

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Q: nickel to 97.93 °C and then drops it into a cup containing 75.96 grams of water at 20.90 °C. She…

A: Given :  Mass of nickel = 69.43 gm  Initial temperature of nickel = 97.93 °C  Mass of water = 75.96…

Q: In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used…

A: This question is based on heat capacity