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1 year ago

What is the molecular formula of the smallest neutral compound of nitrogen and hydrogen?

Chemistry

1 answer:

statuscvo [17]1 year ago

5 0

N3H is the correct answer.

N3H is the molecular formula of the smallest neutral compound of nitrogen and hydrogen.

<h3>What is a molecular formula?</h3>

an expression that lists the quantity and kind of atoms that make up a substance's molecules.

<h3>How can you determine a compound's molecular formula?</h3>

Subtract the empirical formula for molar mass from the molar mass of the chemical.
The outcome ought to be a full number or extremely close to one.
Using the entire number discovered in step 2, multiply each subscript in the empirical formula by that number.
The molecular formula is the outcome.

<h3>Empirical and molecular formula: what are they?</h3>

The simplest whole-number ratio of the various atoms in a compound is represented by an empirical formula.
The precise number of various atom types present in a compound's molecule is indicated by the molecular formula.

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What is the mass in grams of 9.76 x 10 12 atoms of naturally occurring sodium?

Fiesta28 [93]

The number of moles in a substance indicates the amount of the substance that contains the same number of particles as 12 g of the Carbon-12 isotope [or equivalent to 6.02 × 10²³] (which is used as a standard in the world of moles).

Now,

if 6.02 × 10²³ atoms are found in 1 mole ofsodium
then let 9.76 × 10¹² atoms are found in x

⇒ x = (9.76 × 10¹² ) ÷ (6.02 × 10²³)

= 1.619 × 10⁻¹¹ mol

Now, mass = moles × molar mass

∴ mass of Na = 1.619 × 10⁻¹¹ mol × 23 g/mol
= 3.72 × 10⁻¹⁰ g

4 0

3 years ago

Devise a way to separate sand from a mixture of charcoal, sand, sugar, and water

madreJ [45]

A mixture of charcoal, sand, sugar, and water is a heterogeneous mixture. Sugar can easily dissolve in water. Slightly heating the mixture will ensure all of the sugar is dissolved in the water. The mixture then can be filtered to separate out sugar solution from sand and charcoal. The mixture of sand and charcoal is washed several times with water and filtered so that no traces of sugar solution remain in the mixture. To the mixture containing sand and charcoal, water is added. Charcoal being lighter floats on the surface of water, whereas sand being heavy sinks to the bottom. The charcoal floating can be removed manually. After all the charcoal is removed, the mixture of sand and water is again filtered and the sand collected on filter paper is dried. Therefore, by using the above process sand can be separated out from a mixture of charcoal, sand, sugar, and water.

5 0

3 years ago

PLEASE HELP!!

lana66690 [7]

Answer:

Explanation:

3 0

3 years ago

Read 2 more answers

The table shows the properties of some organic compounds.

riadik2000 [5.3K]

Yo sup??

since A has a hydroxyl group ie OH therefore it's an alcohol

and since B has an oxygen between two carbons therefore it's an ether.

hence the correct answer is option B

A is alcohol and B is ether

Hope this helps

8 0

3 years ago

HELP ASAP! Chemical reactions involving liquids only will be influenced by ALL of the following EXCEPT: a) temperature of the sy

Rom4ik [11]

<span>Chemical reactions involving only liquids will be influenced by ALL of the following EXCEPT: </span><span><span>c) size of reactant particles d) pressure of the system.

</span>Reason:
1) As per Arrhenius theory, rate of chemical reactions is influence by temperature. Mathematically it is expressed as: k = A exp(-Ea/RT)
</span>where, k = rate constant, A = collision frequency, Ea = activation energy, T = temp. From above relation, it can be seen that, chemical reactions involving only liquids will be influenced temperature.

2) Also, if know that, rates of chemical reactions is mathematically expressed as: $Rate = [A]^{x} B^{y}....$ ,
where A, B, .. are the reactants.
From above relation, it can be seen that, chemical reactions involving only liquids will be influenced concentration i.e. number of particle.

3) However, since all the reactant and catalyst used (if any) is in liquid state, particle size of same will not influence the reaction.

4) Also, since there are no gas-phase reactant, pressure will not affect the reaction.

8 0

3 years ago