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laiz [17]
3 years ago
14

PLEASE ASAP HELP!!!!!!!!

Chemistry
2 answers:
Effectus [21]3 years ago
5 0

Answer:

sec

Explanation:

ludmilkaskok [199]3 years ago
4 0

Answer:

sec    explanation:    It is because it goes by order sec, min, day, month, and year etc

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<span>Triethylamine is only slightly soluble in water above 18.7 degrees Celsius!</span>
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What is the rate law for step 1 of this reaction? express your answer in standard masteringchemistry notation. for example, if t
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Write a balanced chemical equation, including physical state symbols, for the decomposition of liquid nitroglycerin () into gase
Marat540 [252]

Answer:

4C3H5N3O9 (l)  ---------> 12CO2 (g)  +  H20 (g)  + 6N2 (g) + 6O2 (g)

Explanation:

Nitroglcerin is a drug basically used to treat chest pain. It is a dense, colourless and explo9sive liquid. Its molecular formula is C3H5N3O9.

It decomposes to gaseous dinitrogen, gaseous dioxygen, gaseous water and gaseous carbon di oxide

The equation for its decomposition is shown below;

4C3H5N3O9 (l)  ---------> 12CO2 (g)  +  H20 (g)  + 6N2 (g) + 6O2 (g)

3 0
4 years ago
What is the value for the kinetic energyfor a n = 2 Bohr orbit electron in Joules?
Vladimir [108]

Answer:

<u>K.E. = 5.4362 × 10⁻¹⁹ J</u>

Explanation:

The expression for Bohr velocity is:

v=\frac{Ze^2}{2 \epsilon_0\times n\times h}

Applying values for hydrogen atom,  

Z = 1

Mass of the electron (m_e) is 9.1093×10⁻³¹ kg

Charge of electron (e) is 1.60217662 × 10⁻¹⁹ C

\epsilon_0 = 8.854×10⁻¹² C² N⁻¹ m⁻²

h is Plank's constant having value = 6.626×10⁻³⁴ m² kg / s

We get that:

v=\frac {2.185\times 10^6}{n}\ m/s

Given, n = 2

So,

v=\frac {2.185\times 10^6}{2}\ m/s

v=1.0925\times 10^6\ m/s

Kinetic energy is:

K.E.=\frac {1}{2}\times mv^2

So,

K.E.=\frac {1}{2}\times 9.1093\times 10^{-31}\times ({1.0925\times 10^6})^2

<u>K.E. = 5.4362 × 10⁻¹⁹ J</u>

3 0
3 years ago
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Alekssandra [29.7K]

Answer:

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