Answer:
1 mole is equal to 1 moles NaOH, or 39.99711 grams.
Explanation:
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The statement of the mass of sodium hydroxide (NaOH) is "130 g."
What is mass?A substance is something to do with mass that takes up space. The mass of a compound is the total amount of atoms present in grams that make up a molecule. The grams is the unit of mass.
In order to determine the mass in grams, multiply moles of the substance value by its molar mass to convert moles into grams.
Mole to gram conversion factor,
[tex]=\;given \;mole\;.\;\frac{grams}{1\;mol}[/tex]
Mass of NaOH comes out to be,
[tex]=\;3.25\;mol\;.\;\frac{39.997\;g}{1\;mol}[/tex]
= 129.99 g
= 130 g
Hence the correct answer is 130 g.
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A closed flask contains gas at STP. If the temperature is raised to 400 K what will the pressure be in atm?
Answer:
The answer is 1.5 atm
Explanation:
Cecilia is combing her hair. She notices that her hair and the comb have developed an electric charge. What will happen when she holds the comb near a small, uncharged object?
Answer:
The object will become statically charged
Explanation:
in what kind of reaction do two or more substances combine
Answer:
The answer is synthesis reaction
Explanation:
Also known as a composition reaction, a synthesis reaction is a reaction in which two or more substances combine to form a new compound.
I copied and pasted the explanation part. But I hope the information is still helpful :)
How many kernel electrons in Ne?
Answer:
I am pretty sure it has 10 kernel electrons!?!?!?
Hope this helps!!!
Have a great day!!! :)
There are two suspects in a shooting investigation. Bullets are recovered from the crime scene. Both suspects own guns, and these guns have been seized by the police. How will the investigators check to see if one of these guns fired the found bullets?
Answer:
They can check if one of the bullets is gone if the gun was fully loaded or they can see if there is any particles of gun powder on the gun. I may be wrong.
Marcus wants to use two objects to compare the sizes of a proton and an electron. If he uses a basketball for a proton, which object would best represent an electron?
A
a pea
B
a bowling ball
C
a soccer ball
D
a beach ball
Answer:
A
Explanation:
How many moles of Iron (II) oxide are present in a 34.5 gram sample?
Answer:
0.609 Is the answer.
Explanation:
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nine families in orgo land 1)Halides:
(2) Alcohols:
(3) Ethers:
(4) Aldehydes:
(5) Ketones:
(6) Organic Acids: (aka - carboxylic acid)
(7) Ester:
Amines:
(9) Amides:
A low ph scale would indicate that the water is A. Neutral B. Basic C. Acidic
Clear sele 4. Which of the following statements is (are) true about antibiotic - resistant bacteria. (Click all that apply) A. Antibiotic resistance can sometimes be shared among bacteria. B. Mutation can cause antibiotic resistance, C. Bacteria that become resistant are an example of evolution D. Antibiotics killing bacteria while allowing mutated bacteria to live is an example natural selection. 5. Identitfy ONE difference between kingdoms Archaea and Bacteria.
Answer:
A. Antibiotic resistance can sometimes be shared among bacteria.
B. Mutation can cause antibiotic resistance.
D. Antibiotics killing bacteria while allowing mutated bacteria to live is an example natural selection.
Explanation:
Identifying: Archaea have cell walls that lack peptidoglycan and have membranes that enclose lipids with hydrocarbons rather than fatty acids (not a bilayer). ... Bacteria: cell membrane contains ester bonds; cell wall made of peptidoglycan; have only one RNA polymerase; react to antibiotics in a different way than archea do.
Hope this helps, I reported some answer that was absurd, not applicable, incomplete and confusing
Mutation can cause antibiotic resistance, Bacteria that become resistant are an example of evolution. Antibiotics killing bacteria while allowing mutated bacteria to live is an example natural selection The correct options are B, D, and C.
What are archaebacteria and bacteria?Archaea, like bacteria, lack interior membranes but have a cell wall and swim with flagella.
Archaea differ from bacteria in that their cell wall lacks peptidoglycan and their cell membrane contains ether linked lipids rather than ester linked lipids.
The dispersion of antibiotic resistance in pathogenic bacteria is a simple and elegant example of natural selection at work.
Bacteria can develop antibiotic resistance through mutations that alter antibiotic cellular targets or by acquiring dedicated resistance genes from other bacteria.
Antibiotic resistance can be caused by mutation; bacteria that become resistant are an example of evolution. Natural selection is demonstrated by antibiotics killing bacteria while allowing mutated bacteria to live.
Thus, B, D, and C are correct options.
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9
The earth is the
planet from the Sun, which is just the right distance for life to utilize the Sun's power and energy
O first
O second
O third
O fourth
Answer:
third
Explanation:
because it's the right distance for life to utilise the sun's power energy