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Lapatulllka [165]

3 years ago

9

5 points

1 answer:

Aliun [14]3 years ago

7 0

Answer:

It has a thick atmosphere maybe I'm sorry if its not true

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Which molecule has a nonpolar covalent bond?

kondaur [170]

Nonpolar covalent bonds are chemical bonds where two atoms share a pair of electrons with each other and the electronegativities of the two atoms are equal. An example is methane. It has four carbon-hydrogen single covalent bonds. These bonds are nonpolar because the electrons are shared equally.

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If 14 moles of oxygen react with 14 moles of hydrogen to produce water, what is the

Leokris [45]

Hydrogen is the limiting reactant because when doing a stoichiometry equation for the reactants, hydrogen will be used completely by having a smaller yield and oxygen will be excess (7 moles to be exact)

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A 25.0 mL sample of an acetic acid solution is titrated with a 0.175 M NaOH solution. The equivalence point is reached when 26.6

joja [24]

<u>Answer:</u> The concentration of $CH_3COOH$ comes out to be 0.16 M.

<u>Explanation:</u>

To calculate the concentration of acid, we use the equation given by neutralization reaction:

$n_1M_1V_1=n_2M_2V_2$

where,

$n_1,M_1\text{ and }V_1$ are the n-factor, molarity and volume of acid which is $CH_3COOH$

$n_2,M_2\text{ and }V_2$ are the n-factor, molarity and volume of base which is NaOH.

We are given:

$n_1=1\\M_1=?M\\V_1=25mL\\n_2=1\\M_2=0.175M\\V_2=26.6mL$

Putting values in above equation, we get:

$1\times M_1\times 25=1\times 0.175\times 26.6\\\\M_1=0.1862M$

Hence, the concentration of $CH_3COOH$ comes out to be 0.1862 M.

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3 years ago

On a graph showing distance versus time, a horizontal line represents an object that is

riadik2000 [5.3K]

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the anwser is; B: increasing its speed

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Science is a continually ongoing process with many cycles.<br> True<br> False

Lina20 [59]

Answer true

Explanation:becoz it's true

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