Sulfur, S8, burns in air to produce sulfur dioxide. The reaction evolves 9.31KJ of heat per gram of sulfur at constant pressure. Write the thermochemical equation for this equation

Q: What is the specific heat capacity of an unknown material that has a mass of 81 grams and that…

A: The given data contains, mass = 81 g. heat = 2702 J.

Q: A 48.4-g sample of an unknown metal at 100.0 °C is placed in a constant-pressure calorimeter…

A:

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.73 kg sample…

A: Heat capacity is defined as the amount of heat required to change the temperature of the substance…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.24 kg sample…

A: Given: Mass of sample : 0.24 kg Initial temperature = 33.8oC Final temperature = 43.9oC Heat needed…

Q: Enter your answer in the provided box. A sheet of gold weighing 9.6 g and at a temperature of 13.6°C…

A: Given,  Mass of Gold, mAu = 9.6 g  Temperature, TAu = 13.6 °C  Mass of iron, mFe = 18.0 g…

Q: When methanol, CH3OH, is burned in the presence of oxygen gas, O2, a large amount of heat energy is…

A: Methanol, CH3OH, is burned in the presence of oxygen gas, O2, a large amount of heat energy is…

Q: 2 X+ Y2Z3 →2 Y+ X2Z3, AH = -325 kJ/mol Given the equation above how many kilojoules of heat are…

A: Given that: 2X + Y2Z3    ----->  2Y + X2Z3     ∆H = -325 kJ/mol

Q: A propellant for rockets is obtained by mixing the liquids hydrazine, N2H4, and dinitrogen…

A: In the given question we have write the chemical equation of the following Reaction occur when 1 mol…

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

A: The mass of NO produced = 41.3478 g  The mass of N2 reacted = 19.2984 g

Q: Consider the following thermochemical equation: AH = -114.1 k) 2 NO 2(9) 2NO (9) + O2(9) If 3.00 x…

A:

Q: Match each of the following with its correct answer In the following thermochemical equation:…

A: Since you have posted multiple question will solve the first question for you to get the remaining…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 281.0 mg sample…

A:

Q: Acetylene (C2 H2 ) can be made by combining calcium carbide (CaC2) with water. (a) Write an equation…

A: Given: mass of CaC2 = 74.6 g

Q: a. State the meaning of the following thermochemical equation *b.Calculate the amount of heat…

A:

Q: It takes 585 J of energy to raise the temperature of 125.6 g of mercury from 20.0°C to 53.5°C.…

A: Given, Heat energy, q = 585 J Mass, m = 125.6g Change in temperature, ∆T = 53.5- 20 = 33.5°C

Q: O THERMOCHEMISTRY Understanding the definition of enthalpy Measurements show that the energy of a…

A:

Q: A 531.6 g sample of sodium undergoes a temperature change of +86.75 °C while absorbing 857.4 joules…

A:

Q: what mass of HF (in g) must react in order to produce 690 kJ of energy

A:

Q: According to the following thermochemical equation, what mass of HF (in g) must react in order to…

A: The given reaction is, SiO2s+4HFg→SiF4g+2H2Ol

Q: In the laboratory a student finds that it takes 200 Joules to increase the temperature of 15.0 grams…

A: • The values provided in the question are:-    i) Mass of magnesium, m = 15.0 g  ii) Initial…

Q: When ammonia (NH3) and oxygen react at a temperature at which both compounds are in the gaseous…

A: When balanced reactions are represented including phases of all species as well as energy change,…

Q: One mole nitrogen oxide, NO, reacts with oxygen gas to produce a brown gas, NO2. a. How many moles…

A: The standard enthalpy of reaction (∆Hr) is calculated as the difference of the sum of enthalpies of…

Q: Calculate the energy required to heat 486.0 mg of silver from -9.6 °C to -3.7 °C. Assume the…

A: Q = m . s . ∆T Where, Q = heat absorbed;  m = mass of metal, s = specific heat of metal and ∆T =…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.36 kg sample…

A: Given: Mass of sampleC4H6O2=1.36 kg T1=48.6οC T2=61.7οC Q=2.79×104 J To find: Molar heat capacity…

Q: Slaked lime (Ca(OH)2) is produced when lime (calcium oxide, CaOs) reacts with liquid water. 65.2kJ…

A:

Q: The amount of energy needed to heat 2.00g of carbon from 50.0C to 80.0C is 42.56J.  The specific…

A:

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 289.0mg sample…

A: given: mass = 289 mg = 0.289 g T2 = 40oC T1 = 22.1°C  Q = 8.75 J molar mass of C4H8O2 = 88.11 g/mol…

Q: Heat energy of 566.0 kJ is abosorbed when 2 mol carbon dioxide decomposes to carbon monoxide and…

A: When the heat energy is absorbed in a reaction to form products called as Endothermic reaction while…

Q: Chlorine Tri fluoride is a toxic intensely reactive gas.  It was used in WWII to make incendiary…

A: It is an exothermic reaction having ∆H as negative value and 1196 kJ of heat is evolved.

Q: Given the reaction below, write the thermochemical equation showing the enthalpy of the…

A:

Q: The propane fuel (C3H8) used in gas barbeques burns according to this thermochemical equation.…

A: Let the standard enthalpy of reaction for the given reaction is -2218.6 kJ.

Q: Consider the hypothetical thermochemical equation 3 A+ B 2 C for which AH = 59.3 kJ/mol. %3D If the…

A: Ans

Q: Suppose it took 108 joules of energy to raise a bar of gold from 25.0°C to 29.7°C. Given that the…

A: Q = 108 J  Tf = 29.7°C  Ti = 25.0 °C  m = ?

Q: 6. Why can there never be a temperature less than 0 Kelvins? 7. How much heat is absorbed from a…

A: Given data,Mass of mercury=56.0g∆T=289K=289-273=16oCSpecific heat capacity of Hg=0.14J/goC

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 412.0 mg sample…

A:

Q: Methanol is used to heat food. The combustion of methanol can be described by the following…

A:

Q: Consider the following thermochemical equation: 2 NO, 2NO, AH = -114.1 kJ 02(g) (g) 2(9) Choose...…

A: 2NOg    +     O2g       →      2NO2g ∆H = -114.1kJ Molar mass of NO2 = 46gmol

Q: Enter your answer in the provided box. A sheet of gold weighing 10.0 g and at a temperature of…

A:

Q: A 8.45 gram metal ball at 44.7°C is heated with 730 Joules. If the heat capacity of the metal is…

A: Given data is as follows: The mass of metal ball = 8.45 g The initial temperature of the metal ball…

Q: During a certain chemical reaction 255 J of heat is absorbed by the system and 275 J of work is done…

A: To Solve this problem we will use the first law of thermodynamics .

Q: C2H2 (g) + 3/2 CO2 (g) —> CO2 (g) + H2O (l) ΔH = - 1301.1 kJ For the reaction, 2CO2 (g) + 2H2O (l)…

A:

Q: When 2 mol of potassium chlorate crystals decompose to potassium chloride crystals and oxygen gas at…

A: A thermochemical equation for a given reaction can be defined as the balanced stoichiometric…

Q: A metal cools from an initial temperature of 150 degrees C to 50 degrees C and releases 190 J of…

A: Specific heat capacity is the amount of heat that is required to rise a temperature of 1 kg…

Q: Calculate the energy required to heat 541.0mg of mercury from 11.4°C to 16.6°C. Assume the specific…

A: The specific heat capacity for a given substance refers to the amount of heat which is needed to…

Q: A 0.491 kg sample of an unknown metal loses 4.08 kJ of heat. If the change in its temperature was…

A: Using the formula Q=mCΔT we can find specific heat capacity.

Q: Iron bar of mass 869 g cools from 94 degree C to 5 degree C. Calculate the heat released by the…

A: Given : Mass of iron = 869 g Initial temperature of iron = 94 oC And final temperature of iron = 5…

Q: if the specific heat capacity of iron (Cs ) is 0.499 J/g * degree celsius. what is the heat capacity…

A: Number of mole=mass/molar mass

Q: 6. The surroundings is a region of a study that is singled out where energy can be transported back…

A:

Q: The specific heat of water is 4.18 J/(g. °C). Calculate the molar heat capacity of water. Express…

A: In this question, we will determined the molar heat capacity of water from the given value of…