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Alexandra [31]
3 years ago
9

Can someone help me with this?

Chemistry
1 answer:
Nadusha1986 [10]3 years ago
4 0

Answer:

idk my man srry5678976543567890876546789087659687876875787678687367376367373

Explanation:

You might be interested in
QUICKLY!!!!!
elixir [45]

Answer:

The ability to do work is energy.

Hope it helps!!!

8 0
3 years ago
What does the atomic number of an element refer to on the periodic table?
jekas [21]

The elements are listed in order of increasing the atomic number. Its the number that is the number of protons in the nucleus of an atom.

6 0
3 years ago
Read 2 more answers
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
14 points!!! Pls tell me answer :3
iren [92.7K]
I’d say the last one
8 0
3 years ago
Read 2 more answers
Describe what happens to an ionic compound when it has been fully dissolved in water
Marat540 [252]
When you immerse an ionic compound<span> in </span>water<span>, the ions are attracted to the </span>water <span>molecules, each of which carries a polar charge. If the attraction between the ions and the </span>water <span>molecules </span>is<span> great enough to break the bonds holding the ions together, the compound </span>dissolves<span>. </span>
6 0
3 years ago
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