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zepelin [54]
3 years ago
9

What is a fire blanket MOST often used for?

Chemistry
1 answer:
Brrunno [24]3 years ago
7 0
C. wrapping someone whose clothes have caught on fire
Hope this helps! :)
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A chemical reaction which uses a molecule of water to break apart another molecule is most commonly called
Artyom0805 [142]

That is called hydrolysis.

4 0
3 years ago
A 5.00 mL sample of hydrochloric acid is titrated with 0.1293 M ammonia (a base). If the titration required 28.15 mL of ammonia,
Sladkaya [172]

Answer:

1. C = 0.73 M.

2. pH = 0.14

       

Explanation:

The reaction is the following:

HCl + NH₃ ⇄ NH₄⁺Cl⁻

From the titration, we can find the number of moles of HCl that were neutralized by the ammonia.

n_{a} = n_{b}

Where "a" is for acid and "b" is for base.

The number of moles is:

n = C*V  

Where "C" is for concentration and "V" for volume.

C_{a}V_{a} = C_{b}V_{b}

C_{a} = \frac{0.1293 M*28.15 mL}{5.00 mL} = 0.73 M

Hence the initial concentration of the acid is 0.73 M.

The original pH of the acid is given by:

pH = -log([H^{+}])

pH = -log(0.73) = 0.14          

Therefore, the original pH of the acid is 0.14.

I hope it helps you!                  

4 0
3 years ago
X-ray photons with a wavelength of 0.135 nm . express the energy numerically in kilojoules per mole.
STALIN [3.7K]
Using E=hν where h is Planck's constant and v is the frequency of the photon. In the question above,the wavelenght is given so we can find the frequency of the photon using c=λν. c is a constant =3*10^8 so frequency is equal to
(3*10^8)/0.135*10^-9. Then use ur frequency in the eqn above using h 6.626*10^-34
7 0
3 years ago
Read 2 more answers
What is the pOH of .12 M HNO3.
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we will calculate pH of nitric acid of 0.1 M concentration. So, concentration of hydrogen ions in HNO3 is 0.1 M. And now by using this formula we will find pOH. So, from this we can say that pH of HNO3 is 1 and pOH of HNO3 is 13.
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3 years ago
In the following experiment, a coffee-cup calorimeter containing 100mL OF H2O is used.
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Please provide more of the question so I am able to answer, but I do know that H20 has 0 calories.

5 0
2 years ago
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