A 5.90-g chunk of potassium is dropped into 1.00 kg water at 24.7°C. What is the final temperature of the water after the preceding reaction occurs?

Q: The temperature of a 5.0 g sample of Aluminum increases from 25°C to 30°C. How many joules of heat…

A:

Q: How much heat (in kJ) is produced by the complete combustion of 52.2 g of CH4? Use 1.01 g/mol for…

A:

Q: Molar Mass: C3H8  = 44.097  H20 = 18.015  CO = 28.010g/mol  C3H8(g) + 3H20(g) -> 3CO(g) + 7H2(g)…

A: The enthalpy for the reaction between the propane and water is calculated as shown below.…

Q: In the following reaction, how much heat is generated when 3.21 moles of CH4 are burned? CH4 (g) + 2…

A: CH4g+2O2g→ CO2g+2H2Og                       △ H = 802KJmolAs 1 mole of CH4 heat released =…

Q: In the following reaction, how many moles of CH3OH are required to produce -9.671 x 103 kJ of heat?…

A:

Q: In the following reaction, how many grams of CH3OH are required to produce 1.932 × 10³ kJ of heat?…

A: We have to calculate the mass of methanol required .

Q: How much heat is involved when 68.0 g of N2 are reacted in the reaction:
2N2(g) + 5O2(g) + 2H2O(l) →…

A: Given, the chemical reaction,2N2(g)+5O2(g)+2H2O(l)→4HNO3(aq)   ; ∆H =-256 kJamount of heat evolved…

Q: How much heat (in kJ) is absorbed in the process of making 0.897 mol of CF₄ from the following…

A:

Q: How many moles of H₂ are required to produce -3651 kJ of heat in the following reaction? N₂ (g) + 3…

A: Mole of H2 needed = 117.35 mole

Q: How much heat will be released (AH) if 0.5387 mol of NH3 are mixed with 0.20 mol of O2 in the…

A:

Q: In the following reaction, What quantity in moles of CH₃OH are required to give off 2526 kJ of heat?…

A: Given :-   2 CH₃OH (l) + 3 O₂ (g) → 2 CO₂ (g) + 4 H₂O(g)  ∆H° = -1280. kJ  To be calculated :-…

Q: You performed the displayed reaction in the lab and determined that 336.74 J of heat was released.…

A: The given chemical reaction that has been carried out is given by: NCl3(g) + 3H2 (g) ——> NH3 (g)…

Q: How much heat is needed to raise the temperature of 13.0g of iron from 19.00C to 100.00 °C? The…

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly…

Q: How much heat is absorbed in the process of making 0.803 mol of CF4 from the following reaction? C…

A: Heat of formation, also called standard heat of formation, enthalpy of formation, or standard…

Q: How much heat will be released (∆H) if 0.4501 mol of NH₃ are mixed with 0.20 mol of O₂ in the…

A: This problem is based on the concept of limiting reagent.

Q: How much heat will be absorbed when 38.2 g of bromine reacts with excess hydrogen according  to the…

A: Given :-  H2 + Br2  + 72.80 kJ → 2HBr  To calculate :-  Amount of heat absorbed when 38.2 g of…

Q: An exothermic reaction causes the surroundings to: A. become basic B. decrease in temperature C.…

A:

Q: How many moles of H₂ are required to produce -2051 kJ of heat in the following reaction? N₂ (g) + 3…

A: Heat of reaction is difference of energy of product  and energy of Reactant. If heat of reaction is…

Q: How many moles of H2 are required to produce -2501 kJ of heat in the following reaction? N2 (g) + 3…

A: Heat of reaction is defined as difference of energy of product  and energy of Reactant. If heat of…

Q: 2. In order to produce 972 kJ of heat, how many grams of H2 must react? 2 H2 (g) + 02 (g) → 2 H20…

A:

Q: How many moles of H₂ are required to produce -3001 kJ of heat in the following reaction? N₂ (g) + 3…

A:

Q: Which sample is most likely to undergo the smallest change in temperature upon the absorption of 100…

A:

Q: Consider the reaction B2H6(g) + 3 O2(g) → B2O3(s) + 3 H2O(g) ∆H = -2035 kJ How much heat is…

A:

Q: How much heat is released when 1.4 moles of hydrogen fluoride are produced? H2 (g) + F2 (g) → 2HF…

A:

Q: How much heat will be released (∆H) if 0.1665 mol of NH₃ are mixed with 0.20 mol of O₂ in the…

A:

Q: Once CS2 (carbon disulfide) is formed from its elements, heat is then absorbed.  How much heat would…

A: Given that When 1 mole of CS2 is formed from its constituents elements, heat energy equal to 89.3…

Q: In the following reaction, What quantity in moles of CH;OH are required to give off 1501 kJ of heat?…

A:

Q: What mass of methane (CH4) must be burned to release 185 kJ of heat? CH4 + 2O2 → CO2 + 2H2O…

A: Number of moles of a substance are calculated by dividing its mass by molarmass which may be…

Q: In the following reaction, how many moles of CH₃OH are required to produce -6.696 × 10³ kJ of heat?…

A: The reaction given is   2 CH₃OH (l) + 3 O₂ (g) → 2 CO₂ (g) + 4 H₂O(g)…

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: How many moles of H₂ are required to produce -3451 kJ of heat in the following reaction? N₂ (g) + 3…

A: We have given that N2(g) + 3H2(g) -----> 2NH3(g) ∆H = -91.8KJ/mole

Q: How much heat (in kJ) is absorbed in the process of making 0.971 mol of CF4 from the following…

A: Carbon reacts with fluorine to form carbon tetrafluoride. The equation for the balanced chemical…

Q: if 11.2 g of H2 (g) (MM = 2.016 g/mol) were to react according to the balanced equation given below,…

A:

Q: In the following reaction, how many moles of CH₃OH are required to produce -1761 kJ of heat? 2 CH₃OH…

A: Given, the chemical reaction as follows,2CH3OH(l)+3O2(g)→2CO2(g)+4H2O(g)  ,   ∆H° =-1280 kJwe are…

Q: Write the thermochemical equation for: a. Heat energy of 849.0 kJ is absorbed when 2 mol carbon…

A: Thermodynamics is the branch of chemistry that mainly deals with the heat transfer between system…

Q: 9. If 294 J of heat were transferred to a 10.0 g sample of silver at 25 oC, what is the final…

A:

Q: A heat of formation is A) The heat produced in a reaction when 1 mole of a compound is produced. B)…

A: In chemistry, the various types of enthalpies are used to measure the stability and feasibility of…

Q: In the following reaction, how many moles of CH3OH are required to produce -2191 kJ of heat? 2 CH3OH…

A: The balanced reaction taking place is given as,

Q: A 8.27 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

A: ∆H = 45.06kj/mol

Q: How much heat is absorbed in the process of making 0.771 mol of CF4 from the following reaction? C…

A: Consider the given reaction. Cs+2F2g→CF4g

Q: According to the reaction below, determine the amount heat (in kJ) that can be generated from the…

A: Propane reacts with oxygen to form carbon dioxide and water. The equation for the balanced chemical…

Q: How much heat (in kJ) is absorbed in the process of making 0.981 mol of CF₄ from the following…

A:

Q: What mass of butane (C4H10) in grams is necessary to produce 1.5 × 10³ kJ of heat? What mass of CO₂…

A:

Q: How much heat (in kJ) is absorbed in the process of making 0.893 mol of CF₄ from the following…

A: Given reaction is C (s) + 2 F₂ (g) → CF₄ (g) ∆H° = 141.3 kJ/mol Formation of 0.893 mol of CF4

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

A: if 4790J energy absorbed by water that means energy is released by this combustion reaction. And…

Q: How much heat (in kJ) is absorbed in the process of making 0.883 mol of CF₄ from the following…

A: The amount of heat absorbed in process forming 0.883mol of CF4 is

Q: For the reaction shown, compute the theoretical yield of the product in moles for each of the…

A: The balanced chemical equation is given below.

Q: onsider the following reaction.  N2 + 3 H2 -> 2 NH3        ΔH = -92 kJ/mol If 35 g of NH3 are…

A:

Q: In order to break water into hydrogen and oxygen, water is heated to more than 500°C. Which kind of…

A: We have to predict the kind of reaction and reason.

Q: How much heat (in kJ) is absorbed in the process of making 0.901 mol of CF₄ from the following…

A: