Given: 4 NH3 (g) + 3 O2 (g) → 2 N2 (g) + 6 H2O (l) ΔH = -1500 kJ How many grams of ammonia (MM = 17.03 g/mol) need to be reacted in order to release 4.50 x 104 kJ of energy?

Q: CeH6ln + 15 O2(g)12 CO2(g) + 6 H20() AH = -5.854 x 10 kJ in unknown amount of CEH6() was combusted…

A: The question is based on the concept chemical thermodynamics.   We have been given heat value.   We…

Q: Calculate the energy (in kJ) required to heat 0.789 grams of water from 10.4 ℃ to 86.0 ℃.

A: weight of water = 0.789 gm initial temp. = 10.4 ℃ final temp. = 86.0 ℃ energy = ?

Q: Butane (CAH10) undergoes combustion in excess oxygen to generate gaseous carbon dioxide and water.…

A: Enthalpy of combustion: It is the amount of energy released when 1 mole of the reactant will burn in…

Q: A 8.17 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

A:

Q: Suppose that the total mass of the reactants in a chemical reaction was 100.00000 g. How many…

A: Given: Total mass of reactants = 100.00000 g. And the total mass of products formed = 99.99900 g.

Q: Enter your answer in the provided box. Calculate the heat (in kJ) associated with 336 g of white…

A:

Q: how much energy in kilojoules is produced when 1.00 g of propane is completely combusted?

A:

Q: 14. 2Al + Fe,O3) à Al,0 + 2 Fe) In the above reaction, 252.80 grams of aluminum released 695.6…

A: In the given reaction252.80g of Al released 695.6 J of heat Therefore the change in enthalpy for the…

Q: Calculate the energy (in kJ) required to heat 0.706 grams of water from 43.5 ℃ to 119.2 ℃.

A: Specific heat (Cs)  :-  The amount of heat required to raise the temperature of one gram of a…

Q: You perform an experiment similar to the Calorimetry and Enthalpy lab we did in PIVOT, this time to…

A: Mass of water (g)= m = 25.00 g Mass of almond (g)0.78 g Ti (water) = initial temperature 24.0°C Tf (…

Q: "When 0.985g sample of C7H SN 3o 6 is burned in a bomb calorimeter, the temperature increases from…

A: From the given data we haveMass of C7H5N3O6 =0.985Molar mass of C7H5N3O6=227.13g/molMoles of…

Q: 7.30 kJ of energy are required to change the temperature of a sample of  water from 5.0 oC to 70.0…

A: Heat flow from high temperature to low temperature.

Q: It takes 1250 J of energy to heat a certain sample of pure silver from 12.0 °C to 15.2 °C .…

A: Given: Mass of silver=? g Temperature change, ∆T=(15.2-12.0)°C=3.2 °C The ennergy needed, q =1250 J…

Q: When 0.985g sample of C 7H 5N 30 6 is burned in a bomb calorimeter, the temperature increases from…

A: Given that : Mass of sample(Ms)=0.985 gMass of waterMw=661 gChange in…

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: What is the identity of a 100. g sample of metal that, upon absorbing 4680 J of heat, increases in…

A: Given  Mass of sample (m)=100 g Amount of heat energy (Q)= 4680 J Temperature (t)= 52 oC

Q: How much energy (kJ) is released when 2.30 kg of gold is cooled from 88°C to 22°C?

A:

Q: Suppose that the total mass of the reactants in a chemical reaction was 100.00000 g. How many…

A: In every reaction total energy is conserved. From Energy conservation law,E=mc^2 E=energy produced…

Q: A chemist measures the energy change AH during the following reaction: 2 Fe,03(s) → 4 FeO(5)+O,(g)…

A: The given mass of Fe2O3 is 11.7 g. The given reaction is, 2Fe2O3s→4FeOs+O2g         ∆H=560 kJ

Q: A chemist measures the energy change AH during the following reaction: 2 Fe,O3(s) → 4 Fe(s)+O,(9)…

A: For the given reaction, we need to calculate the amount of heat absorbed/released.

Q: A piece of aluminum with mass of 5.0 g is immersed in 35.0 g of water. This system is heated…

A: Given: Mass of aluminium = 5.0 g Mass of water = 35.0 g Change in temperature is 26.6 to 38.2 oC…

Q: If 7.30 kJ of energy are required to change the temperature of a sample of  water from 5.0 oC to…

A: For any substance weighing 1.0 g, the heat essential for raising the temperature by one Kelvin or…

Q: 1. What is the mass of iron if 17.10 joules are added and the temperature moves from 15 oC to 28 oC?…

A:

Q: If the specific heat of butanol is 1.59 J/g-°C, how much energy is required to heat 21.8 grams of…

A: Given, mass of butanol=21.8 graminitial temperature Ti =45 °Cfinal temperature Tf =95 °Cspecific…

Q: If 7.30 kJ of energy are required to change the temperature of a sample of  water from 5.0 oC to…

A: The energy required to raise the temperature of 'M' g of a substance by 'T' degree celsius is given…

Q: muny giallis Of CU, are produced per 2.50 x 103 kJ of heat released? 0.0809 g 3.56g 31.3 g 157 g…

A: Since you have posted multiple questions and have mot mentioned which question you want to be…

Q: 6. A 5.00 g piece of lead is heated to 290.0 °C and then placed in 50.0 g of water at 25.0 °C in a…

A:

Q: If 246,000 J of energy are required to raise 10 kg of sodium from 15°C to 35°C, what is the specific…

A: Given :-  q = 246000 J  Mass of sodium (m) = 10 kg  Initial temperature = 15°C  Final temperature =…

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: Using information in the figure above, calculate the total world energy consumption in 1975. i x 10…

A:

Q: copper, 0.385 J/g°C ethanol, 2.42 J/g°C gold, 0.128 J/g°C aluminum, 0.903 J/g°C

A: Specific heat is  defined as the amount of energy required to increase the temperature of 1.0 gram…

Q: What is the theoretical yield of ammonia (in grams) if 16.55 grams of nitrogen gas and 10.15 grams…

A:

Q: Suppose that the total mass of the reactants in a chemical reaction was 100.00000 g. How many…

A: Given that : Total mass of reactant (mr) = 100.00000 g Total mass of product (mp) = 99.99900 g

Q: If 9.20 kJ of energy are required to change the temperature of a sample of  water from 10.0 oC to…

A: We can solve the problem by considering the following equation : q = m × C × Tfinal - Tinitial Where…

Q: How many milliliters of water at 23 °C with a density of 1.00 g/mL must be mixed with 180 mL (about…

A: The net heat absorbed by water will be equal to the heat released by coffee. Determination of heat…

Q: Both glucose and fructose are simple sugars with the same molecular formula of C6H12 O6 . Sucrose…

A: For part a:

Q: A chemist measures the energy change AH during the following reaction: 2 Fe,03(5) → 4 FeO(s)+O2(g)…

A: Given: ∆H=560 kJ The molar mass of Fe2O3= 159.69 g/mol Solution: For the given reaction,…

Q: Calculate the energy (in kJ) required to heat 0.355 grams of water from 106.0 ℃ to 177.4 ℃.

A: Answer      Q = mCvdT    m = .355 gm, Cv = 4.18 j/g°C, dT = (177.4…

Q: 01. The enthalpy change in a reaction is 1366 kJ per mole. Should the enthalpy of the combustion…

A: There are 2 types of reactions that are classified based on enthalpy change: Endothermic reaction…

Q: Water that contains deuterium rather than ordinary hydrogen is called heavy water. The specific heat…

A: Given,specific heat of heavy water at 25 deg. C. is 4.217J/g deg. CMass of water = 10gChange in…

Q: Suppose that the total mass of the reactants in a chemical reaction was 100.00000 g. How many…

A: Answer: This question is based on the production of energy. When a specie is converted into another…

Q: The combustion of propane gas (C3H8; molar mass = 44.09 g/mol) occurs according to the following…

A: The balanced Chemical equation for combustion of propane gas given in question is - C3H8(g)  +…

Q: Given the following equation: 2H3PO4 + 3Mg(OH)2  → 6 H2O + Ca3(PO4)2 + 450.8 kJ If 300 mL of 0.75…

A: Answer:- This question is answered by using the simple concept of stoichiometry which involves the…

Q: Suppose that the total mass of the reactants in a chemical reaction was 100.00000 g. How many…

A: Given that, the mass of the reactants is mR = 100.000 g. The mass of the products is mP = 99.999 g.…

Q: Propane (C3H8) is the commonly used fuel in our barbeques at home. It is a great fuel because it…

A:

Q: Anthracite coal, 1.0 g, produces 7.000 x 10° cal when burned. How many joules of energy does this…

A: We know that, calories of energy is related to Joules as,                  1 cal = 4.184 J…

Q: The reaction of hydrogen chloride(g) with oxygen(g) to form water(g) and chlorine(g) proceeds as…

A: Given reaction: 4 HCl (g) + O2 (g) → 2 H2O (g) + 2 Cl2 (g) It is also given that 10.7 kJ of energy…

Q: According to the following thermochemical equation, what is the mass of H2O (in grams) must form in…

A: The molecular weight of water = 18.01g/molAccording to the given thermochemical equationTwo moles of…

Q: A chemist measures the energy change AH during the following reactio 2 NO,(9) → N,O4(g) AH=55.3 kJ…

A: Given mass on NO2 = 11.8 gram Molar mass of NO2 = 46.0055 g/mol Therefore, moles of NO2 =…