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ryzh [129]
3 years ago
10

Plz answer asap !!!!

Chemistry
1 answer:
Semmy [17]3 years ago
6 0

Answer:it's c

Explanation:

..

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Ch3cooh (acetic acid) can form hydrogen bonds between its molecules. based on the lewis structure shown below, how many hydrogen
never [62]
Answer:
           Number of Hydrogen Bond Acceptor atoms  =  2

           Number of Hydrogen Bond Donor atoms  =  1

Explanation:
                   Hydrogen bond interactions are formed between those molecules which contains partial positive hydrogen atoms bonded covalently to most electronegative atoms like Oxygen, Nitrogen and Fluorine. 
                   When hydrogen is attached to Oxygen, Nitrogen or Fluorine its electron density decreases and gets partial positive charge, this partial positive charged hydrogen atom then makes hydrogen bonding with the most electronegative element (partial negative) of neighbor molecule.
                    In Acetic acid there are two oxygen atoms hence there are two most electronegative elements therefore, two Hydrogen Bond Acceptor atom and each oxygen atom can accept two hydrogen bonds.
                    Also, it contains only one Hydrogen atom attached to oxygen atom so it has one Hydrogen Bond Donor atom.

4 0
3 years ago
A 58.33-g sample of milk of magnesia, Mg(OH)2, always contains 24.31g of magnesium, 32.00g of oxygen, and 2.02g of hydrogen. Fin
ASHA 777 [7]

The mass percentage of each element in the milk of magnesia is, 41.68% Mg, 54.86% Oxygen, and 3.46% Hydrogen elements

Give the total mass of a sample of milk of magnesia Mg(OH)₂ as 58.33 g

We are to calculate the percentage by mass of each element

\% mass =\frac{mass \ of \ element}{mass \ of \ sample} \times 100

For Magnesium:

Mass of magnesium = 24.31g

\% mass \ of \ Mg = \frac{24.31}{58.33} \times 100\\ \% mass \ of \ Mg =\frac{2431}{58.33} \\ \% mass \ of \ Mg = 41.68\%

For oxygen element:

Mass of oxygen = 32.00g

\% mass \ of \ O_2 = \frac{32}{58.33} \times 100\\ \% mass \ of \ O_2 =\frac{3200}{58.33} \\ \% mass \ of \ O_2 = 54.86\%

For the hydrogen element

Mass of hydrogen = 2.02g

\% mass \ of \ H_2 = \frac{2.02}{58.33} \times 100\\ \% mass \ of \ H_2 =\frac{202}{58.33} \\ \% mass \ of \ H_2 = 3.46\%

Hence the mass percentage of each element in the milk of magnesia is, 41.68% Mg, 54.86% Oxygen, and 3.46% Hydrogen elements.

Learn more here: brainly.com/question/20065048

5 0
3 years ago
HELP ASAP PLEASE!!!
WARRIOR [948]

HCl + NaOH -> NaCl + H2O

reactants: hydrochloric acid HCl

sodium hydroxide NaOh

products: sodium chloride (table salt) NaCl

dihydrogen monoxide (water)

H2O

7 0
3 years ago
Which is true about reaction rates?
Oksana_A [137]

Answer:

the correct choice would be: 4. Reaction rates are not related to spontaneity.

Explanation:

The speed of reaction is independent of spontaneity, since it depends on other factors such as the amount of reagent.

The amount of reagent is one of the variables that most influences the speed of reaction, the greater the amount of reagent, the faster the reaction will be and thus the speed will be increased.

3 0
3 years ago
Calculate the molecular mass or formula mass in any of CH4 NO2 SO3 C6H6 Nal
Zielflug [23.3K]

Answer:

Ch4 Is an ion so the molecule yes 5

Explanation:

Sry for bad Engish me polish

5 0
3 years ago
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