Consider the following reaction, how many grams of aluminum can form when 823 kJ of heat is transferred? Al2O3(s) → 2 Al(s) + 3/2 O2(g)                ΔH = 1670 kJ   Question options: a. 12.43 b. 51.67 c. 33.79 d. 26.59

Q: ch heat

A:

Q: 211 values from your textbook. TOP the reaction shown below using standard heat of formation Fe(s) +…

A:

Q: 8. Hydrazine, N₂H4, is a rocket fuel. Calculate the AH rxn when 1 mole of hydrazine is combusted…

A:

Q: A balanced, generic thermochemical equation is shown below.  A, B, and C are substances involved in…

A:

Q: If the reaction of 0.500 grams of aluminum metal with excess aqueous HCl releases 9.72 kJ of heat,…

A: Given- reaction - 2 Al (s) + 6 HCl (aq) --> 2AlCl3 (aq) = 3H2 (g) Q = 9.72 KJ  mass of aluminum =…

Q: Using the reverse reaction, how much heat is required to produce 44.8g of NO using the following…

A:

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

A: Combustion is the reaction of a substance with oxygen. In the presence of oxygen, hydrocarbons…

Q: Engaging Activities Use the equation below for Problems 1 and 2 2FeCl₂ + Cl₂ → 2FeCl₂ ΔΗ = .125 kJ…

A:

Q: When 1 mol of a fuel is burned at constant pressure, it produces 3452 kJ of heat and does 11 kJ of…

A: According to the first law of thermodynamics,   ... (1)Here,  = the change in internal energyq = the…

Q: In order to measure the enthalpy change for the reaction that occurs in instant cold packs used by…

A: Given

Q: Answer all questions with detailed answers on paper. a) Hydrogen gas burns in air to form water.…

A: a) Hydrogen gas burns in air to form water. 2 H2(g) + O2(g) → 2 H2O(l) ΔН = -527 kJ The heat energy…

Q: What mass of oxygen is consumed when 285.5 kJ of energy is evolved from the combustion of a mixture…

A: Consider the given balanced reaction as;                          H2 g + 12 O2 g → H2O l…

Q: 2. A gas is compressed from an initial volume of 5.55 L to a final volume of 1.22L at an external…

A: Initial volume = 5.55 L Final volume = 1.22 L Pressure = 1.00 atm heat released = 124 J

Q: Consider the reaction shown below. How many moles of P4010(S) are needed to produce (release) 915 kJ…

A:

Q: 1. How much heat must be added to a 38-g sample of aluminum to increase its temperature by 250.0°C?…

A: Dear student since you have posted multiple questions, As per BARTLEBY QnA guidelines we are allowed…

Q: thermometer- A 56.0 g sample of aluminum is put into a calorimeter (see sketch at right) that…

A: When aluminium sample which is at higher temperature is put in calorimeter which is having water at…

Q: A gummy bear contains 5.24g of sucrose (342.3g/mol). When the gummy bear reacts with potassium…

A:

Q: In a reaction the total energy of the system decreases by 125 kJ. If the reaction releases 80 kJ of…

A: Given data, Total energy of the system decreases by 125 KJ. So, change in the system's energy (∆E) =…

Q: In a coffee-cup calorimeter, 148.2 g of H20 and 97.0 mL of HCl are mixed. The HCI had an initial…

A: The heat lost or gained by water is given by  Q = mCΔT  where m = mass of water  C = specific heat…

Q: How much heat is generated if 20 grams of hydrogen is consumed in the following reaction?   2H2…

A: Given that:  Combustion reaction of H2 2H2 + O2 .....> 2H2O + 570KJ  In this reaction 570KJ…

Q: A piece of copper metal whose mass is 3.45 g is heated to 95.0°C and then dropped onto a calorimeter…

A: Give the following data

Q: In order to produce 842 kJ of heat, how many grams of hydrogen gas must burn in the reaction below?…

A: Given reaction: 2H2(g) + O2(g) → H2O(g)     ∆H = -486 kJ Since ∆H is negative, the reaction is…

Q: Please answer question 11 part A and B

A:

Q: How many kilojoules are released when 124 g of Si reacts with chlorine?…

A: First convert mass into mole by dividing molar mass then calculate mole mole relationship to get…

Q: 13.0 and 54.0 °C, respectively, were mixed inside a cup calorimeter. If the temperature of water…

A: The heat capacity of the calorimeter is 58.1J/oC

Q: 11. A piece of metal weighing 3.20 grams is heated to 100. °C. It is dropped into 50.0 grams of…

A: 11) Mass of the piece of metal = 3.20 grams Temperature=  100o CMass of water in calorimeter = 50…

Q: 7. The reaction below takes place at constant pressure in a container with a variable volume such as…

A: Answer: Given chemical reaction is a combination reaction where 2 iodine atoms are combining…

Q: 5. When 0.514 g of biphenyl (CH) undergoes combustion in a bomb calorimeter, the temperature rises…

A: To find  for the combustion of biphenyl (C 12 H 10) in kJ/mol biphenyl, you can use the following…

Q: Consider the following reaction: 2Cu + 02 2CuO a) How much heat is evolved when 6.688 moles of Cu is…

A: The question you provided falls under the realm of thermochemistry, which is a topic typically…

Q: Topic: Thermodynamics Question: 1. In a bomb calorimeter, 75.8 grams of a wax is burned completely…

A: 1) Given data is The mass of wax burned = 75.8 grams Mass of water = 250 grams  Increase in…

Q: Cl2 (g) + H2 (g) → 2 HCl (g) ΔH0rxn = ‒184.6 kJ 6. The reaction is ___________ as it _____________…

A: Given:

Q: . How much heat is absorbed when 60g of mercury (II) oxide reacts? 2HgO2Hg + O₂ AH = 181.4 kJ

A: Given :-  2HgO → 2Hg + O2       ∆H = 181.4 kJ  To calculate :-  Amount of heat absorbed by 60 g of…

Q: A hand warmer packet contains a mixture of powdered iron, carbon, sodium chloride, sawdust, and…

A: Answer: Given chemical reaction is: 4Fe(s)+3O2(g)→2Fe2O3(s)

Q: Show all work in the space below. If you don't show work, you will receive no credit: Many people…

A:

Q: Explain why each of the following chemical equations is not a correct formation reaction: a. 4 Ga(s)…

A: Formation reaction is the reaction in which  one mole of product is formed form the reactants in its…

Q: Measurements show that the enthalpy of a mixture of gaseous reactants decreases by 123. kJ during a…

A: Given: The enthalpy of the mixture i.e. system is decreasing by 123 KJ. And the work done on the…

Q: E thermochemical equations

A:

Q: MISSED THIS? Watch KCV: Determining the Enthalpy of Reaction from Standard Enthalpies of Formation,…

A: Here we are required to find the enthalpy of the combustion reaction.

Q: the heat released for a complete reaction of 1 mole of carbon to 1 mole of carbon dioxide is 393kj.…

A: Given,  Given moles of carbon = 1 mole  Moles of CO2 = 1 mole  Amount of heat releases = 393 KJ…

Q: Select the correct statement. A) In an exothermic reaction, the surroundings releases heat. B) If…

A:

Q: Consider the reaction, C2H4(g) + H2(g) → C2H6(g), where ΔH = –137 kJ. How many kilojoules are…

A: The reaction of alkene with hydrogen is called as hydrogenation. The energy change that is…

Q: Identify whether the following processes are endothermic or exothermic. Justify your answer.

A: “Since you have asked a question with multiple sub parts, we will solve the first three questions…

Q: The heat of reaction for the reaction A + 2B → 2C is 900. kJ. The heat of reaction for the reaction…

A: For reaction :  A → 2D

Q: If methane is burned, the reaction is CH4 + 2O2 ® CO2 + 2H2O + 890 kJ/mol. How many kilograms of…

A: Enthalpy of reaction(∆H) = -890 KJ  Part 1 :  Mass of methane = 1 kg  Part 2 :  Energy or heat…