d) How many grams of water can be produced when 189 g hydrazine combine with 160.g hydrogen peraxide? e) How many grams of the excess reactant in part (d) are left unreacted?

Q: how many moles of ammonia can be oxidized by 303 grams of oxygen?

A:

Q: How many grams of sodium azide are required to produce 275g of N2?

A:

Q: How many moles of KOH are produced from 12.0 mol of H₂0?

A: Ans  Reaction of water with K  K  + H2O ------------>> KOH  + H+ So one mole of H2O produced…

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Q: If a fuel contains 86% C, 9% H2, 1% S and 4% ash (silica) by mass, determine: (b) (i) the total…

A: SOLUTION : CARBON Mass ratio C + O2 = CO2 12 + 32 = 44 Hence 0.86kg of C need (32/12)x0.86=2.293kg…

Q: How many moles of N2 are produced by the decomposition of 2.88 mol of sodium azide?

A: The Number of Moles of N2 produced from the decomposition of 2.88 mol of Sodium Azide can be…

Q: How many grams of oxygen are required to produce 60.1 g of water vapor?

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Q: How many grams of sodium are required to react with 0.800mol of oxygen?

A:

Q: How many mole of AlCl3 can be produced from 1.4 moles of Al reacting with HCl?

A: The balanced reaction of aluminium with HCl is as :-  2Al + 6HCl ----> 2AlCl3 + 3H2

Q: How many grams of water can be produced if sufficient hydrogen reacts with 26.0 g of Oxygen?

A: Mass of oxygen = 26.0 g molar mass of O2= 32 g mol-1 molar mass of H2O = 18 g mol-1 mass of water =…

Q: How many grams of water will be formed upon complete reaction of 24.5 grams of oxygen gas with…

A:

Q: If 2.08 mol water are produced, then how many moles of hydrogen peroxide were used?

A: To solve this problem we will use the Stoichiometry of balanced chemical equation .

Q: What are the structural and molecular formulas for carbon dioxide?

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Q: How many moles of hydrogen gas would be needed to react with excess carbon dioxide to produce 65.1…

A: Given  Number of mole of water vapor    = 65.1 mole  Number of mole of hydrogen gas =  ?

Q: 6. How many moles of calcium will react with 2.00 grams of:

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Q: How many moles of phosphine are prepared from 2.00 moles of H2O?

A: Phosphine can be prepared by the reaction of calcium phosphide and water. The balanced reaction of…

Q: How many grams of aluminum hydroxide are obtained from 13.7g of aluminum sulfide?

A: Given:Mass of Aluminium sulphide = 13.7 gMolar mass of Al2S3 which is 150.16g/mol.Balanced chemical…

Q: Report 4: Preparation and Properties of Hydrogen and Oxyge 1. Generation and Collection of Hydrogen…

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Q: Explain why either greatly decreasing or increasing the percentage of oxygen in the atmosphere is…

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Q: How many grams of CO2CO2 are produced when C3H8C3H8 is combusted in oxygen and 298.0 kJ of heat are…

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Q: if 3.4 g of C2H6 are combusted how many grams of water will be produce

A: Combustion reaction of ethane(C2H6) can be written as:  2C2H6 + 7O2 -----> 4CO2 + 6H2O Mass of…

Q: Why does the nitrogen concentration decrease after hydrogen is added?

A: The reason for, the nitrogen concentration decrease after hydrogen is added has to be stated.

Q: How much oxygen (in grams) will form from 51.2 mg of N2O5?    2N2O5(s)  →  4NO2(g) + O2(g)

A: The reaction given is   2 N2O5(s)  →  4 NO2(g) + O2(g) Given : mass of N2O5 reacting = 51.2 mg =…

Q: How many moles of SO2 can be produced from 1.0 kg of pyrite?

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Q: How many moles of oxygen are needed to react with 160 gg of hydrazine?

A: Hydrazene is N2H4  and oxygen is O2  There is single replacemet reaction possible  N2H4 + O2 = N2 +…

Q: What mass of sodium bicarbonate should you use?

A: Given :- volume of CO2 = 2.00 L  To calculate :- mass of NaHCO3

Q: How many moles of hydrogen gas would be needed to react with excess carbon dioxide to produce 30.6…

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Q: 5. How many grams of oxygen can be produced from the decomposition of 100.0 g of KCIO,?

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Q: How many grams of phosphorus is need if 1.06 kg of oxygen was converted toP4O10

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Q: Using the following balanced equation, determine how many moles of hydrogen gas should be produced…

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Q: When chlorine atoms react with atmospheric ozone, what are the products of the reaction?

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Q: How many grams of nitrogen are required to react completely with 6.5 liters of hydrogen in forming…

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Q: How many moles of water will form if 7.0 moles of NH3 is burned?

A: Given :- number of moles of NH3 = 7.0 mol  To be calculated :-  Number of moles of H2O

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Q: How many grams of magnesium hydroxide would be needed to react with 6.55 g of nitric acid?

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Q: How many grams of H2 will result from the reaction of 100 g of CaH2 with excess H2O?

A: The Reaction is  CaH2+2 H2o- Ca(oH) 2+ 2H2 1 mole of CaH2 will give 2 miles of H2

Q: How many moles of water are produced from 3.50 moles of B2H6 react with excess O2 ?

A: B₂H₆ -Diborane B₂O₃ -Diboron trioxide

Q: The number of moles and the mass of Mg required to react with 5.00 g of HCl and produce MgCl2and…

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Q: )From what is nitrogen recovered? B)How?

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Q: Calculate the mL of oxygen produced from 0.475 g of potassium chlorate at STP. 2KClO3 ⟶⟶ 2KCl + 3O2

A: Given that : Mass of KClO3 = 0.475 g The molar mass of KClO3 is 122.55 g/mol

Q: calculate grams of ammonia produced when 23.5 dm³ of N2 @STP reacts with excess H2

A:

Q: How many moles of oxygen are needed to react with 165 g of hydrazine?

A: As we know that the one mole of hydrazine reacts with the 3 moles of oxygen that is 1 N2H4(l) + 3…

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A: If cobalt (II) sulfate is heated too strongly, the following reaction will occur: CoSO4(s) →…

Q: How many grams of oxygen are needed to react with 165 g of hydrazine?

A: Given  mass of hydrazine = 165 g    Required data -  molar mass of hydrazine = 32.05 g/mol  molar…

Q: If 75.0 kg of hydrazine are reacted with 75.0 kg of oxygen, which is the limiting reagent?

A: Hydrazine is represented as N2H4. Limiting reagent is the reactant species which determines the…

Thermochemistry

Thermochemistry can be considered as a branch of thermodynamics that deals with the connections between warmth, work, and various types of energy, formed because of different synthetic and actual cycles. Thermochemistry describes the energy changes that occur as a result of reactions or chemical changes in a substance.    

Exergonic Reaction

The term exergonic is derived from the Greek word in which ‘ergon’ means work and exergonic means ‘work outside’. Exergonic reactions releases work energy. Exergonic reactions are different from exothermic reactions, the one that releases only heat energy during the course of the reaction. So, exothermic reaction is one type of exergonic reaction. Exergonic reaction releases work energy in different forms like heat, light or sound. For example, a glow stick releases light making that an exergonic reaction and not an exothermic reaction since no heat is released. Even endothermic reactions at very high temperature are exergonic.