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horsena [70]
3 years ago
15

Aspirin is the analgesic acetylsalicylic acid C9H8O4. What is the coefficient of aspirin in the balanced equation for the combus

tion of solid acetylsalicylic acid to carbon dioxide and liquid water?
Chemistry
2 answers:
yuradex [85]3 years ago
5 0

Answer:

1

Explanation:

C9H8O4 + 9 O2 = 9 CO2 + 4 H2O.

The coefficent is 1

MrRa [10]3 years ago
4 0

Answer:

The answer to your question is    C₉H₈O₄  + 9O₂   ⇒   9CO₂  +  4H₂O

Explanation:

Data

Reactants

  C₉H₈O₄  and O₂

Products

   CO₂ and H₂O

Unbalanced chemical reaction

               C₉H₈O₄  +  O₂   ⇒   CO₂  +  H₂O

             Reactants      Elements    Products

                   9                      C                1

                   8                      H                2

                   6                      O                3

Balanced chemical reaction

               C₉H₈O₄  + 9O₂   ⇒   9CO₂  +  4H₂O

             Reactants      Elements    Products

                   9                      C                9

                   8                      H                8

                   6                      O                22

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Consider these reactions:
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511.2 grams of chlorine gas consumed (with excess H-) when

1,342.0 kJ of energy is released from the system.

<h3></h3><h3>What is an exothermic reaction?</h3>

In thermochemistry, an exothermic reaction is a "reaction for which the overall standard enthalpy change ΔH⚬ is negative."

Given that 1 mole of chlorine releases -184.6 energy.

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Part 1. A chemist reacted 18.0 liters of F2 gas with NaCl in the laboratory to form Cl2 gas and NaF. Use the ideal gas law equat
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Answer:

Part 1

The mass of the NaCl that reacted with F₂ at 290.K and 1.5 atm is approximately 132.6 gams

Part 2

The mass of NaCl that can react with the same volume of gas at STP is approximately 93.77 grams

Explanation:

Part 1

The volume of F₂ gas in the reaction, V = 18.0 liters

The ideal gas equation is P·V = n·R·T

∴ n = P·V/(R·T)

The pressure, P = 1.5 atm

The temperature, T = 290 K

The universal gas constant, R = 0.0820573 L·atm/(mol·K)

∴ n = 1.5×18/(0.0820573 × 290) ≈ 1.134615

The number of moles of F₂ in the reaction n ≈ 1.134615 moles

The chemical reaction is given as follows;

F₂ + 2NaCl → Cl₂ + 2NaF

1 mole of F₂ reacts with 2 moles of NaCl

Therefore;

1.134615 moles of F₂ reacted with 2 × 1.134615 moles ≈ 2.26923 moles of NaCl

1 mole of NaCl = The molar mass of NaCl, MM = 58.44 g/mol

The mass, of 2.26923 moles of NaCl, m = Number of moles × MM

∴ m ≈ 2.26923 moles × 58.44 g/mol ≈ 132.6 grams

The mass of the NaCl ≈ 132.6 gams

Part 2

The volume occupied by 1 mole of all gases at STP = 22.4 l/mole

Therefore, the number of moles of F₂ in 18.0 L of F₂ = 18.0 L/(22.4 L/mole) ≈ 0.804 moles

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The number of moles of NaCl, in the reaction n = 2 × The number of moles of F₂ ≈ 2×0.804 moles = 1.608 moles

The number of moles of NaCl, in the reaction n ≈ 1.608 moles

The mass of NaCl in the reaction, m = n × MM

∴ m ≈ 1.608 moles × 58.44 g/mol ≈ 93.97 grams

The mass of NaCl that can react with the same volume of gas at STP ≈ 93.77 grams

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