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Crazy boy [7]
3 years ago
5

Does anyone know a reverse spell

Chemistry
1 answer:
ehidna [41]3 years ago
3 0

Answer:

No

Explanation:

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This for number 8 and 9
3241004551 [841]

Okay for 8 it is the maximum levels will be higher and for 9 is poor circulation leads to lack of nutrients and oxygen

6 0
4 years ago
Which of the following electron configurations of outer sublevels is the most stable?
Natalka [10]
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
4d5 5s1 is where electron configurations of outer sublevels is the most stable. <span>this could be a tricky question because of the fact the respond is going against the final rule that could say that 4d4 5s2 is the main sturdy. the final 2 a merely nonsence there is not any such factor as s3 or s4</span>
4 0
4 years ago
Ammonia gas has a molar mass of approximately 17 grams per mole. At 290k and 1.2 atm, a sample of ammonia has a volume of 3.7 L.
dlinn [17]

We have that for the Question, it can be said that the mass of Ammonia is

Mass_a=3.162grams

From the question we are told

<em>Ammonia </em>gas has a <u>molar</u> mass of approximately 17 <u>grams </u>per mole. At 290k and 1.2 atm, a sample of <em>ammonia </em>has a volume of 3.7 L. In <em>three </em>to five sentences, explain how you can find the mass of the <em>ammonia</em>. Then, given R= 0.0821L.atm/mol.k, calculate the mass.

Generally the equation for the   is mathematically given as

PV=nRT\\\\n=\frac{PV}{RT}\\\\n=0.186 moles\\\\

Now the mass of ammonia is

Mass_a=0.186*17\\\\Mass_a=3.162grams

Hence the mass of Ammonia is

Mass_a=3.162grams

For more information on this visit

brainly.com/question/23379286

3 0
2 years ago
Read 2 more answers
For the reaction of 2Na2O, if you have 18.0 g of Na, how many grams of O2 are needed for reaction?
geniusboy [140]

Answer: -

6.26 grams

Explanation: -

Atomic Mass of sodium Na = 23 gram

Mass of Na = 18 g

Atomic mass of oxygen O = 16 gram

Molar mass of O2 = 16 x 2 = 32 gram

The balanced chemical equation for the reaction is

4 Na + O2 -- > 2 Na 2 O

From the balanced chemical equation, we see

4 Na requires 1 O2

4 x 23 gram of Na requires 32 gram of O2

18 g of Na gives \frac{32 g O 2 x 18 g Na}{4 x 23 gram Na}

= 6.26 grams of O2

For the reaction of formation of Na2O, for 18.0 g of Na, 6.26 grams of O2 are needed for reaction.

8 0
3 years ago
Enter an equation to show how h2po3− can act as a base with hs− acting as an acid
jek_recluse [69]

The base is the species that accept hydrogen, and the acids donate hydrogen ions. Dihydrogen phosphite acts as a base and hydrosulfide sulfanide act as an acid.

<h3>What are acids and bases?</h3>

Acids are molecules or chemical species that can donate a proton or a hydrogen ion to another chemical species.

Bases are the ions or molecules that accept a proton or hydrogen ion and release a hydroxide ion.

The acid and base relationship is shown as,

\rm H2PO_{3}^{-} + HS^{-} \leftrightarrows S^{-} + H_{3}PO_{3}

Learn more about acids and bases here:

brainly.com/question/26821614

#SPJ4

7 0
2 years ago
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