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vampirchik [111]
3 years ago
10

Can u pls help me with this question ​

Chemistry
2 answers:
Licemer1 [7]3 years ago
7 0

Answer:

B because they aren’t moving there solid and compacted

Explanation:

I am 5 million iq brainlest pls

LekaFEV [45]3 years ago
6 0
what even is this UH


I’ll try my best!

Oh wait it’s C, because molecules don’t stay together in one spot, there all spread around, so yeah.
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Provide the reagents necessary to convert (S)-3-methyl-3-phenylpentanoic acid to (5)-3-methyl-3-phenylpentanamine.
8090 [49]

Answer:

1. SOCl2/pyridine

2. NH3

3. LiAlH4

4. H2O

Explanation:

In the conversion of  (S)-3-methyl-3-phenylpentanoic acid to (5)-3-methyl-3-phenylpentanamine, SOCl2/pyridine is first added to the  (S)-3-methyl-3-phenylpentanoic acid

This is then followed by the addition of NH3 is subsequently added followed by reduction using LiAlH4 which reduces the carbonyl carbon to an alkane. addition of water completes the mechanism and leads to the formation of the product.

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3 years ago
Calculate the molarity of a solution of barium hydroxide if 18.15 ml of it is required for the titration of a 20.00 ml sample of
inysia [295]
The balanced equation for the reaction between Ba(OH)₂ and HCl is as follows;
Ba(OH)₂ + 2HCl ---> BaCl₂ + 2H₂O
stoichiometry of Ba(OH)₂ to HCl is 1:2
the number of HCl moles that have reacted - 0.2452 mol/L x (20.00 x 10⁻³ L)
number of HCl moles reacted = 0.004904 mol
2 mol of HCl reacts with 1 mol of Ba(OH)₂
therefore 0.004904 mol of HCl reacts with - 1/2 x 0.004904 mol of Ba(OH)₂
number of Ba(OH)₂ moles in 18.15 mL - 0.002452 mol
Therefore number of Ba(OH)₂ moles in 1000 mL- 0.002452 mol /(18.15 x 10⁻³ L)
molarity of Ba(OH)₂ is = 0.1351 M
6 0
3 years ago
Which mixture is heterogeneous
scZoUnD [109]

Answer:

A

Explanation:

4 0
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Calculate The molar mass of aluminum nitrate Al(NO3)3
sleet_krkn [62]

Answer:

Molar mass: 212.996 g/mol

Explanation:

Formula: Al(NO3)3

Molar mass: 212.996 g/mol

IUPAC ID: Aluminium nitrate

Melting point: 72.8 °C

Boiling point: 135 °C

Density: 1.72 g/cm³

Soluble in: Water, Alcohol

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I can give the answer for the first one: Because the football is being thrown into t
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