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Yanka [14]
3 years ago
10

Which nail polish lasts longer matte or shiny

Chemistry
2 answers:
adell [148]3 years ago
8 0
Glossy Nail polish has a chance of getting chipped.

Which is Shiny nail polish. 
Luden [163]3 years ago
7 0
Matte because it is harder to take off
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To prevent tank rupture during deep-space travel, an engineering team is studying the effect of temperature on gases confined to
uranmaximum [27]

Answer: 63.88 atm

Explanation:

To answer this, we use the formula PV = nRT since the asumption is that the gas has an ideal behavior

where number of mole = 2.60 mol, R(gas constant) = 0.08205746 L atm/K mol,

T = 251 ∘C = (251 + 273) K = 524 K, Volume = 1.75 L

Making Pressure the subject of the formula, we have

P = nRT/V = 2.6 * 0.08205746 * 524/2.75 = 63.88 atm

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When methane is burned with oxygen the products are carbon dioxide and water. If you produce
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1 year ago
Lithium diisopropylamide [(CH3)2CH]2NLi, referred to as LDA, enjoys many uses as a strong base in synthetic organic chemistry. I
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Answer:

Lithium diisopropylamide [(CH3)2CH]2NLi.

Explanation:

Lithium diisopropylamide (commonly abbreviated LDA) is a chemical compound with the molecular formula [(CH3)2CH]2NLi. It is used as a strong base and has been widely accepted due to its good solubility in non-polar organic solvents and non-nucleophilic nature. It is a colorless solid, but is usually generated and observed only in solution. It was first prepared by Hamell and Levine in 1950 along with several other hindered lithium diorganylamides to effect the deprotonation of esters at the α position without attack of the carbonyl group.

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How many moles does 205g of helium, He contains ?
Ne4ueva [31]
<span>Moles = weight in g / atomic weight So, moles in 40 g of He = 40 / 4 = 10 moles.</span>
7 0
3 years ago
Read 2 more answers
What is the overall charge of an atom with 18 protons, 18 neutrons, and 19 electrons?
Charra [1.4K]

Answer:

as no. of protons is equals to the no. of electrons so, it is a neutral atom.

but, as Atomic No. = Mass No. - No. of neutrons

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so, Mass No. = Atomic No. + No. of Neutrons= 18 + 20 = 38

so, correct option is C.

Explanation:

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3 years ago
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