An atom has 11 protons, 12 neutrons, and 11 electrons. what is the charge of the atoms nucleus?A) +11
B) -11
C) 0
D) 23

Answers

Answer 1

Answer:

Since sodium has 11 protons, the number of neutrons must be 23 – 11 = 12 neutrons.

Explanation:

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Magnetism is believed to be caused by the alignment of small, numerous sub-units called _____. poles fields ions domains

Answers

Magnetism is believed to be caused by the alignment of small, numerous sub-units called domains. A magnetic domain is a small portion in the magnetic fields of atoms that have grouped together and aligned uniformly. To best describe domains, they are often likened to tiny random magnets pointing at different directions within a material. When the material is magnetized, these tiny magnets align and point towards a unified direction.

the answer is domains.................

H2(g) + CO2(g) + 10 kcal H2O(g) + CO(g)In another experiment involving the above reaction at 1,000°C, the equilibrium concentrations were found to be:

H2(g) = 2.0 moles per liter
H2O(g) = 4.0 moles per liter
CO2(g) = 5.0 moles per liter
CO(g) = 4.0 moles per liter

What is the equilibrium constant, Keq, for this reaction?

Answers

The equilibrium contant for the reaction is 1.6. Solution: [H2]=2.0 mol/L [CO2]= 5.0 mol/L [H2O]= 4.0 mol/L [CO]= 4.0 mol/L K = [H2O][CO] / [H2][CO2] K = (4.0)(4.0) / (2.0)(5.0) K = 1.6 Ans [ =1.6 ]

Which of the following would you expect to have the highest value for entropy? CO2 (s)

H2O (s)

CO2 (g)

H2O (l)

Answers

Chemistry cool

CO2 (g) is your answer

hey there i see you need help well i am here to do just that

CO2 (g) is the correct answer

hope this helps

What type of chemical reaction is happening here? 8Fe + S8 --> 8FeS

Answers

This is a synthesis reaction since you are taking two elements and creating one (opposite of decomposition). I think this might also classify as a redox reaction as well since it appears as if iron is being oxidized and sulfur is being reduced (iron is loosing electrons while sulfur is gaining electrons).

I hope this helps. Let me know if anything is unclear.

How many oxygen atoms are contained in the following chemical formula? 2agno3 a. 2
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c. 5
d. 6