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Chemistry

2 answers:

Natasha_Volkova [10]3 years ago

6 0

Answer:

Explanation:

Anestetic [448]3 years ago

5 0

C) through the atmosphere

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The reaction occurs and all H2 and O2 unite to form H20

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3 years ago

The needles of an evergreen tree are most similar to what part of other trees?

tatuchka [14]

Answer:

the leaves i think

Explanation:

i had this on a test once.

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3 years ago

At 218°C, Keq=1.2 x 10^-4 for the equilibrium NH4SH(s) ⇋ NH3(g) + H2S(g). Calculate the equilibrium concentrations of NH3 and H2

maksim [4K]

At 218 °C, solid NH₄SH decomposes to form 0.011 M NH₃ and H₂S, as given by its equilibrium constant.

<h3>What is the equilibrium constant?</h3>

The equilibrium constant (Keq) is the ratio of the product of the concentrations of the products to the product of the concentrations of the reactants, all raised to their stoichiometric coefficients.

Only gases and aqueous species are included.

Step 1. Make an ICE chart.

NH₄SH(s) ⇋ NH₃(g) + H₂S(g)

I 0 0

C +x +x

E x x

Step 2. Write the equilibrium constant.

Keq = 1.2 × 10⁻⁴ = [NH₃] [H₂S] = x²

x = 0.011 M

At 218 °C, solid NH₄SH decomposes to form 0.011 M NH₃ and H₂S, as given by its equilibrium constant.

Learn more about equilibrium here: brainly.com/question/5081082

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2 years ago

A small portion of a crystal lattice is sketched below. What is the name of the unit cell of this lattice? Your answer must be a

Nikolay [14]

This is an incomplete question, the given sketch is shown below.

Answer : The name of given unit cell is, FCC (face-centered cubic unit cell)

Explanation :

Unit cell : It is defined as the smallest 3-dimensional portion of a complete space lattice which when repeated over the and again in different directions produces the complete space lattice.

There are three types of unit cell.