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vladimir1956 [14]
3 years ago
8

I need to show work on all my problems and I am not God in math

Chemistry
1 answer:
Salsk061 [2.6K]3 years ago
6 0
That's cool man, you should study more... wheres the question though?
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slader An experiment is carried out where 13.9 g of solid NaOH is dissolved in 250.0 g of water in a coffee-cup calorimeter. Dis
kvv77 [185]

Answer:

The mass of the surrounding is M_t = 263.9 \ g

Explanation:

From the question we are told that

      The mass of  NaOH is  m = 13.9 \ g

      The mass of water is m_w = 250.0g

      The chemical equation for the dissociation process is

       NaOH _{(s) } ---> Na^{+}_{(aq)} + OH^{-} _{(aq)}

       The specific heat capacity of the mixture is c_p = 4.18 J g^{-1} C^{-1}

       

The combined mass of the solution is

         M_t = 13 + 250

         M_t = 263.9 \ g

The mass of the surround here is the mass of the coffee-cup calorimeter and this contain the mixture ( water and the NaOH ) so the mass of the surrounding is  

  M_t = 263.9 \ g

       

3 0
3 years ago
The difference between ionic covalent and metallic bonding
sleet_krkn [62]
Ionic: transfer of electrons
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Metallic: sharing of free electrons in a structure of cations
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3 years ago
what is the greatest amount of bread rolls that can be made with 6 cups of flour And 3 cups of water? If this were a chemical re
forsale [732]

Answer:

if you tell me how much is needed and how much you have then i can answer it, but there is not enough information provided to answer to that question.

Explanation:

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Which statement is true about a polyatomic ion?
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Answer:

The correct answer is that it is made of atoms that are covalently bonded together.

Explanation:

Hope this helped Mark BRAINLEST!!!

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