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vladimir1956 [14]
3 years ago
9

Which of the following elements has the highest

Chemistry
2 answers:
Nady [450]3 years ago
5 0
Should be flourine but since that isnt one of the options i wotld say H also
Blizzard [7]3 years ago
3 0
Because H is a non-metal, it has the highest electronegativity. Option (1) H is correct.
Hope this would help~
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Weight is measured as the downward force of __________. a. gravity c. acceleration b. friction d. motion
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If the concentration of the HCl used in your titration was 1.00 M and you used 23.68 mL to reach the endpoint, calculate the con
drek231 [11]

Answer: The concentration of the OH-, CB = 0.473 M.

Explanation:

The balanced equation of reaction is:

2HCl + Ca(OH)2 ===> CaCl2 + 2H2O

Using titration equation of formula

CAVA/CBVB = NA/NB

Where NA is the number of mole of acid = 2 (from the balanced equation of reaction)

NB is the number of mole of base = 1 (from the balanced equation of reaction)

CA is the concentration of acid = 1M

CB is the concentration of base = to be calculated

VA is the volume of acid = 23.65 ml

VB is the volume of base = 25mL

Substituting

1×23.65/CB×25 = 2/1

Therefore CB =1×23.65×1/25×2

CB = 0.473 M.

6 0
3 years ago
Why does the rate of a reaction increase when the concentration of reactants is increased?
leva [86]

If reactants eventually collide, there is an occurrence of reaction.

<span> 
Therefore, when there is an increase concentration of reactant, meaning to say that there are several moles of it every unit volume. An example of this is a room having hundred of people will absolutely get higher concentration compared to a room with one individual only. 

Pertaining to effective collisions, if ever there is an increase of concentration, the frequency and rate of effective collisions among reactants surges in such a way that the rate of reaction also surges. Same with passing into a room with only 1 individual compared to hundred people blind persons, you probably want to proceed to the room with several people.</span>

<span>This is the simple logic behind that scientific existence.</span>

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Can someone help me?
NeX [460]

Answer:

sorry idk chem

Explanation:

7 0
3 years ago
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