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LiRa [457]
3 years ago
8

Pure water is neutral. What is the appropriate justification for this? Water has equal H+ and OH- ions, making its pH 7, which i

s considered a neutral pH. Water has more H+ than OH- ions, making its pH 5, which is considered a neutral pH. Water has more OH- than H+ ions, making its pH 8, which is considered a neutral pH.
Chemistry
1 answer:
ddd [48]3 years ago
6 0
<span>Water has equal H+ and OH- ions, making its pH 7, which is considered a neutral pH.</span>
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How many molecules are in 2.00 moles of h2o
Sedaia [141]
1 mole = 6.022×10^23 atoms. 1 water molecule = 2 Hydrogen atoms + 1 oxygen atom. So, 1 mole H2O = 1.2044×10^24 hydrogen atoms. Therefore 2 mole H2O will have 2.4088×10^24 hydrogen atoms.
8 0
3 years ago
Asap! first to answer correctly gets 10 pts plus brainliest! :)
olga_2 [115]

Answer:

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Explanation:

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Which information is represented by a line on this map?
Ivanshal [37]
The correct answer is:  [A]:  "<span>points with the same elevation" .
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3 years ago
the air pressure from the atmosphere measures 0.5atm at an altitude of 18,000 ft. How much pressure is this in pounds per square
Julli [10]

14.7lb/in²

Explanation:

This is a conversion problem from atm to pounds per square inch

Pressure is the combined force per unit area of substance on another.

Given pressure = 0.5atm

To solve this problem ;

Convert from atm to N/m² to pound per square inch

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  0.5atm = 0.5 x 101325 = 50,662.5‬N/m²

now we need to convert to pound per square inch;

     1N  = 0.225lb

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Solving;

 101325 Nx \frac{1}{m^{2} }  x \frac{0.225lb}{1N }  x \frac{m^{2} }{39.37in x 39.37in} = 14.7lb/in²

learn more:

Pressure of gases brainly.com/question/10897667

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8 0
3 years ago
Dichlorine monoxide, Cl2O is sometimes used as a powerful chlorinating agent in research. It can be produced by passing chlorine
Amiraneli [1.4K]

Answer:

% yield =  82.5%

Explanation:

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Our reactants are:

  • HgO and Cl₂

Our products are:

  • HgCl₂ +  Cl₂O

We do not have information about moles of reactants, but we do know the theoretical yield and the grams of product, in this case Cl₂O, we have produced.

Percent yield = (Yield produced / Theoretical yield) . 100

Theoretical yield is the mass of product which is produced by sufficent reactant. We replace data:

% yield = (0.71 g/0.86g) . 100 = 82.5%

7 0
3 years ago
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