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liraira [26]
3 years ago
14

What does a velocity measurement include that a speed measurement does not?

Chemistry
1 answer:
Mars2501 [29]3 years ago
4 0
Velocity is speed and Direction. It does not include direction
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Determine if the following salt is neutral, acidic or basic. If acidic or basic, write the appropriate equilibrium equation for
Nat2105 [25]

Answer:

It is neutral (NR)

Explanation:

Salts are formed when the ionizable hydrogens in an acid is replaced by metallic or ammonium ions from bases. The reaction is known as a neutralization reaction.

The nature of a salt formed from this reaction depends on the nature of the reacting acid and base.

If the reaction is between a strong acid and strong base, the salt produced is a neutral salt.

If the reaction occurs between a strong acid and a weak base, the salt produced is acidic.

If the reaction occurs between a strong base and a weak acid, the salt produced is a basic salt.

Considering the salt above, LiNO3.

On hydrolysis, addition of water, the following products are obtained:

LiNO3 + H2O ----> LiOH + HNO3

The products obtained, LiOH and HNO3 are a strong base and a strong acid respectively. Therefore, the salt, LiNO3, is a neutral salt.

7 0
4 years ago
Where does transcription occur and why does it occur there
butalik [34]

Answer:

Transcription takes place in the nucleus

Explanation:

it uses dna as a template to make an rna molecule. rna then leaves the nucleus and goes to ribosome in the cytoplasm, where translation occurs translation reads the genetic code in mrna and makes a protein.

3 0
3 years ago
Read 2 more answers
Name 3 types of precipitation
jeyben [28]
Convectional PrecipitationRelief PrecipitationFrontal Precipitation <span>
</span>
5 0
4 years ago
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What kinds of processes can cause rocks to change?
DENIUS [597]
1.Heat:Heat can cause rock to melt,forcing real changes in its chemical and physical makeup;forcing some elemental components to chemically react with each other,both internal and external,chemical components to form entirely new material. 
another way is erosion 
8 0
3 years ago
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Consider a piece of gold jewelry that weighs 9.85 g and has a volume of 0.675 cm3 . The jewelry contains only gold and silver, w
AlekseyPX

Answer:

61.5096 %

Explanation:

Let the amount of gold in the jewelry = x g

Let the amount of silver in the jewelry = y g

Total mass of jewelry = 9.85 g

So,

x + y = 9.85 g    .................................1

Density = Mass / Volume

Given that:

Density of gold = 19.3 g/cm³

Thus, volume is:

Volume = Mass / Density = x / 19..3 cm³

Given that:

Density of silver = 10.5 g/cm³

Thus, volume is:

Volume = Mass / Density = y / 10.5 cm³

The total volume of the jewelry = 0.675 cm³

So,

\frac {x}{19.3}+\frac {y}{10.5}=0.675

Or,

10.5 x + 19.3 y = 136.78875  ................2

Solving 1 and 2, we get that:

<u>x = 6.0587 g</u>

<u>y = 3.7913 g</u>

So, mass % of gold:

<u>Mass % = (6.0587 / 9.85)×100 = 61.5096 %</u>

7 0
3 years ago
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