Which ion was fomed by providing the second ionization to remove an electron A) ca2+ B)N3- B)Fe3+ C)S2

Answers

Answer 1
Answer: The ion that is formed by providing the second ionization to remove an electron is N3-. The answer is letter B. The rest of the choices do not answer the question above.
Answer 2
Answer:

Answer:

A.) CA2+

Explanation:

edge 2021


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Water (H2O) is considered a mineral because it is inorganic and occurs naturally.a. True b. False

In which pair would both compounds have the same empirical formula? A. H2O and H2O2 B. BaSO4 and BaSO3 C. FeO and Fe2O3 D. C6H12O6 and HC2H3O2

Answers

The pair of both compounds that have the same empirical formula are C6H12O6 and HC2H3O2. The answer is letter D. H2O and H2O2, BaSO4 and BaSO3 and FeO and Fe2O3 do not have the same empirical formula.

If an atom has 6 protons and 5 neutrons, what is its mass? _________ amu

Answers

Answer:An atom has 5 protons, 5 electrons and 6 neutrons The atomic number = number of protons = number of electrons = 5 The mass number = 5 protons + 6 neutrons = 11

Amines, amides, and amino acids are organic compounds containing the element:

Answers

they all contain the same element
They contain Carbon, Nitrogen, Hydrogen, Oxygen, and Sulfur

Calculate the atmospheric pressure if the boiling point of water is 81 degrees Celsius.

Answers

Answer : The atmospheric pressure of water if boiling at 81 °C will be 369 mmHg.


Explanation : The vapor pressure of boiling water can be calculated using the Antoine Equation:


log P = A - [(B)/( C + T) ],


where P is the pressure in mmHg,

A = 8.07131,

B = 1730.63

C = 233.426

and T = temperature in °C (81°C)


Substituting the given values, we get,

Log P = 8.07131− [(1730.63)/(233.426 + 81)]

Therefore, Log P =8.07131 − 5.5041 = 2.567.


Now, P = (10^(2.567) ) =369 mmHg.


Hence, the atmospheric pressure will be 369 mmHg.

To calculate the atmospheric pressure at a specific boiling point of water, we use the steam table or the Antoine equation. From steam table via interpolation, at 81 C, the pressure where saturation occurs is the atmospheric pressure. The atmospheric pressure is 369.7 mm Hg or 0.4864 atm.

One positive attribute of dietary fat is that it's a good source of A. water.
B. vitamin
c.
C. energy.
D. boron.

Answers

C. energy. 

One positive attribute of dietary fat is that it's a good source of ENERGY


NOT:
A. water. 
B. vitamin
D. boron.
One positive attribute of dietary fat is that it's a good source of C. energy.

Find the oxidation number of each sulfur in the molecule H2S4, which has a linear arrangement of its atoms.

Answers

In the molecule H2S4, each sulfur atom has an oxidation number of -2.