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nata0808 [166]
3 years ago
11

Write ground-state electron configurations for these ions, which play important roles in biochemical processes in our bodies. (U

se a noble gas core abbreviation.)
Chemistry
1 answer:
Stella [2.4K]3 years ago
5 0
1s s2 s4 s5 s6 

Hope that helped

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Bromine has two isotopes whose masses are 78.9183 amu and 80.9163 amu. Their abundances are 50.69% and 49.31%, respectively. Cal
artcher [175]

Answer:

79.9035

Explanation:

That's the RAM of btomine

3 0
3 years ago
How much heat is released when 27.6 g P C l subscript 3 cools from 83.1 °C to 55.6 °C? (The specific heat of P C l subscript 3 i
Paul [167]

Answer: Thus 663 J of heat  is released when 27.6 g PCl_3 cools from 83.1 °C to 55.6 °C

Explanation:

The quantity of heat required to raise the temperature of a substance by one degree Celsius is called the specific heat capacity.

Q=m\times c\times \Delta T

Q = Heat released = ?

m = mass of substance = 27.6 g

C = specific heat capacity = 0.874J/g^0C

Initial temperature= T_i = 83.1^0C

Final temperature  = T_f  = 55.6^0c

Change in temperature ,\Delta T=T_f-T_i=(55.6-83.1)^0C=-27.5^0C

Putting in the values, we get:

Q=27.6g\times 0.874J/g^0C\times -27.5^0C=-663J

As the value of q is negative, it means the heat has been released and it is 663J

7 0
3 years ago
D. 100 mph
Andrej [43]

Answer:

The answer is c

Explanation:

200 divided by 100 is 2 and you can check that by multiplying 2 by 100.

4 0
3 years ago
A(n) _________________ solution can dissolve more solute at the given temperature. If you add more solute until the solution wil
weeeeeb [17]

Answer:

An unsaturated solution can dissolve more solute at the given temperature. If you add more solute until the solution will dissolve no more at that temperature, it is saturated solution.

Explanation:

In unsaturated solution, there is capacity of solution to dissolve more solute inside the solution. In saturated solution, there is no capacity of a solution to dissolve any further solute at a given temperature. This capacity is increased by heating the solution so more solute will be dissolved. This is called supersaturated solution.

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3 years ago
Select the correct answer from each drop-down menu. How are real gases different from ideal gases? Real gases differ from ideal
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They have a mass for the particles

There are no totally elastic collisions

There are intermolecular forces

8 0
4 years ago
Read 2 more answers
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