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Anna [14]
3 years ago
8

*CHEMISTRY*

Chemistry
2 answers:
evablogger [386]3 years ago
6 0
True is your answer so true
maw [93]3 years ago
5 0

Answer:

True!!

Hope this helps! GL!! :)

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The enthalpy change for the explosion of ammonium nitrate with fuel oil is –7198 kJ for every 3 moles of NH4NO3. What is the ent
anastassius [24]

Answer:

−2399.33 kJ

Explanation:

If NH₄NO₃ reacts with fuel oil to give a ΔH of -7198 for every 3 moles of NH₄NO₃

What is the enthalpy change for 1.0 mole of NH₄NO₃ in this reaction

∴ For every 1 mole, we will have \frac{1}{3} of the total enthaply of the 3 moles

so, to determine the 1 mole; we have:

\frac{1}{3}*(-7198kJ)

= −2399.33 kJ

∴ the enthalpy change for 1.0 mole of NH₄NO₃ in this reaction = −2399.33 kJ

7 0
3 years ago
In the reaction aA + bB >> dD, the lowercase letters represent?
jolli1 [7]

Answer:

Coefficient

Explanation:

Chemical equation:

aA + bB    →   dD

This equation shows that reaction is balanced by coefficient q,b and d.

Reactant    coefficients              Product      Coefficient

A                    a                               D                     d

 B                    b                  

Every balanced equation follow the law of conservation of mass.

Law of conservation of mass:

According to the law of conservation mass, mass can neither be created nor destroyed in a chemical equation.

Explanation:

This law was given by french chemist  Antoine Lavoisier in 1789. According to this law mass of reactant and mass of product must be equal, because masses are not created or destroyed in a chemical reaction.

For example:

In given photosynthesis reaction:

6CO₂ + 6H₂O + energy → C₆H₁₂O₆ + 6O₂

there are six carbon atoms, eighteen oxygen atoms and twelve hydrogen atoms on the both side of equation so this reaction followed the law of conservation of mass. The numbers 6 with CO₂, 6 with H₂O and 6 with O₂  are coefficient which balance the equation.

8 0
3 years ago
there are several ways to express solution concentration dilute concentrated ppm molarity molality normality all of these have o
klio [65]

B: quantity of solute with a specific volome of solvent.

Have a Nice Day :)

4 0
3 years ago
Read 2 more answers
Question 38 (1 point)
Fiesta28 [93]

Answer: Protons because they have a positive charge.

Explanation:

8 0
3 years ago
Balance the chemical equation: <br> KOH + H3AsO4 → K2HAsO4 + H2O
Colt1911 [192]
2 <span>KOH +1 H3AsO4 →1 K2HAsO4 + 2 H2O</span>
3 0
3 years ago
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