What mass of H2 would be used in the following reaction if 116.2 KJ was also reacted? Answer to 2 decimal places. H, + Br, + 72.80 KJ > 2 HBr H2 = 2.02 g/mol %3D

Q: The neutralization reaction of HCIO4 (strong acid) with NaOH is given below. HCIO4 (aq) + NaOH(aq) -…

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Q: Nitric acid is neutralized with potassium hydroxide in the next reaction. HNO3(aq) + KOH(aq) →…

A: We will first determine the mass of solution by adding the volume and multiplying density. And we…

Q: Based on the following equation what is the heat of formation, AHf", for H2O(1) * 2 H,(g) + 0,(g) –…

A: Enthalpy of formation is the change of enthalpy for the formation of 1 mole of a compound from it's…

Q: Using N2O4 (g) – 2NO2 (g) AH= + 57.93 kJ;  what value of(?Delta)H when 125 grams of N2O4 are…

A: Change in enthalpy of a reaction, when a particular amount of reactant has been consumed, can be…

Q: 2H₂O(0) H30¹(aq) + OH(aq) Kw=1.0 x 10-14 at 25 °C Kw = 5.5 x 10-14 at 50 °C Based on this data,…

A: The question is based on the concept of Le-chatlier principle.       It States that when a system at…

Q: Which letter represents the heat of the reaction (ΔΗ) Potential Energy A A C B CH (g) + 20(g) →…

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Q: Use reactions A and B to determine the change in enthalpy (kJ) for reaction C. Do not type units…

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Q: Please determine the enthalpy (in kJ/mol) of the balanced thermochemical equation when 2.15 g of…

A: Here you need to understand first that the HCl solution is made in water, therefore, the volume of…

Q: 6. The enthalpy change for the following reaction, as written is -906 kJ. 4NH3(g) +502(g) → 4NO(g) +…

A: To calculate the molar enthalpy change of the reaction for each of the species involved, we need to…

Q: 1) Production of a diprotic acid H2XO4 involves 3 steps as shown below: 1. X(s) + O2(g) = XO2 (g)…

A: Since, you have asked multiple question, we will solve the first question for you. If you want any…

Q: Question 7 of 11 In a constant-pressure calorimeter, 50.0 mL of 0.300 M Ba(OH), was added to 50.0 mL…

A: First determine the heat released due to reaction and then determine the ∆H due to per mole H2O.

Q: Calorimetry NaOH using a coffee-cup calorimeter which was calibrated using 5.00 mL of 0.900 M HCl…

A: Since we only answer up to 3 sub-parts. We'll answer first three.Please resubmit the question and…

Q: How many grams of NH3 are used when 798 kJ is released? AH = -90.0 kJ/mol CaCO3 + 2 NH3 → Ca(CN)2 +…

A: The problem is asking us to find out how many grams of NH3 are used when 798 kJ of energy is…

Q: 2 C₂H6 (g) + 7 02 (g) →4 CO2 (g) + 6 H₂O (1) AHrxn-3121 kJ How many grams of C₂H6 are required in…

A: Given that2C2H6(g) + 7O2(g) ---> 4 CO2(g) + 6 H2O(l) ∆Hrxn = -3121 kJHow many grams of C2 are…

Q: 7. Calculate the specific heat of gold if it required 48.0 joules of heat to warm 25.0 grams of gold…

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Q: Use Reaction 2. How much energy (in kJ) is released when 49.0 g of oxygen difluoride decomposes?…

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Q: For the highly exothermic reaction H2(g) + 1/2 O2(g) → H2O(g) qrx =DHrx = -242 kJ, What quantity of…

A: Given: no of moles of H2 =17.9molno of moles of O2 = 1.13 molThe reaction is:H2(g) + 1/2 O2(g) →…

Q: Calculate the standard enthalpy of reaction for the combustion of methane. Round to the nearest…

A: The standard enthalpy change of a chemical reaction represents the heat content of a system and the…

Q: a. Hydrogen cyanide is used in the manufacture of clear plastics such as Lucite and Plexiglas. It is…

A: a. The given balanced chemical reaction is  2NH3(g) + 3O2(g) +2CH4(g) →2HCN(g)+6H2O(g) Given data…

Q: How much heat is released when 39.0 grams of ethanol (C2H6O, MW=46.07 g/mol) reacts according to the…

A: Given data,Mass of ethanol=39.0gMolar mass of ethanol=46.07g/mol

Q: In reaction 2, if we had used 4 grams of NaOH instead of 2 grams, would the heat gained by the…

A: As per the question, it is a neutralization reaction of HCl and NaOH HCl + NaOH →    NaCl +    H2O…

Q: Determine the amount of heat (in kl) given off when 1.86 x 10° g of NO, are produced according to…

A: When a chemical reaction occurs the reactant converts into products. Sometimes energy is released…

Q: Determine the mass of CO2 produced by burning enough of propane to produce 1.00 × 10² kJ of heat. C3…

A: Combustion can be defined as a chemical reaction between substances including oxygen and these…

Q: Consider the following equation for the combustion of hydrogen: 2(g) + ¹/2O₂(g) ® H₂O(g) + 243 kJ n…

A: Molar mass of dihydrogen= 2.01 g/ mol

Q: 2. Calculate the enthalpy of solution if 0.4 mol of salt are dissolved in a calorimeter containing…

A: Enthalpy of solution   = mass × specific heat capacity × Temperature change  = m × S × change in…

Q: You mix 105 ml of 0.255 M LiOH with 105 ml of 0.388 M HF in a coffee-cup calorimeter, and the T of…

A: The question is based on the calorimeter experiment. we have to calculate enthalpy of reaction of…

Q: 2. Write the balanced equation for the combustion of nonane, C9H20(g) to CO2(g) and H2O(g). If AH =…

A: Given : enthalpy change for the reaction = -5600KJ/mol

Q: 100.0 mL of a 0.500 M NaOH solution was mixed with 100.0 mL of a 0.500 M HCl solution in a…

A: Given,  Volume of NaOH = 100.0 mL  Molarity of NaOH  0.500 M  Molarity of HCl = 0.500 M  Volume of…