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enot [183]
2 years ago
5

Which ball has the most energy?

Chemistry
2 answers:
Nikitich [7]2 years ago
5 0
A ball held at 3 meters. Option B.
tensa zangetsu [6.8K]2 years ago
5 0

A ball held at 3 metres

Explanation:

Because it is in motion.

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Which of the following always contains
erica [24]

Answer:

1 mole of atom is correct.

8 0
3 years ago
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What is avogrados number and why is it useful
gtnhenbr [62]

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Avogadro's number is 6.022×1023 molecules. With Avogadro's number, scientists can discuss and compare very large numbers, which is useful because substances in everyday quantities contain very large numbers of atoms and molecules.

please mark Brainliest if it helps!

7 0
2 years ago
Predict the aldol product when the following ketone undergoes self-condensation in the presence of NaOH. Do not show the dehydra
Anit [1.1K]

Answer:

β-hydroxyaldehyde (an aldol) namely 3-Hydroxy butanal.

Explanation:

When acetaldehyde is treated with dil.NaOH it undergoes self condensation as it contains alpha-hydrogen atom in its compound forming β-hydroxyaldehyde (an aldol) namely 3-Hydroxy butanal. This compound upon further heating will eliminate a molecule of water forming aldol condensation product namely Crotonaldehyde Or But-2-en-al. see the diagram attached.

5 0
3 years ago
Which describes an example of genetic engineering?
Marizza181 [45]

i think its number 3

4 0
3 years ago
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A 0.300 m solution of hcl is prepared by adding some 1.50 m hcl to a 500 ml volumetric flask and diluting to the mark with deion
liberstina [14]
In dilution we add distilled water to decrease the concentration of required sample from high concentration to lower concentration
The law used for dilution:
M₁V₁]Before dilution = M₂V₂] After dilution
M₁ = 1.5 M
V₁ = ?
M₂ = 0.3 M
V₂ = 500 ml
1.5 * V₁ = 0.3 * 500 ml
so V₁ = 100 ml and it completed to 500 ml using 400 ml deionized water
8 0
3 years ago
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