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Nataliya [291]
3 years ago
9

Ionization energy and electron affinity both express the general attraction of an atom for

Chemistry
1 answer:
OleMash [197]3 years ago
4 0

Ionization energy is the energy required to remove an electron from an atom. Meanwhile, Electron affinity is the energy required to add an electron to an atom. So we can see that the two are opposite variables. However, they both refers to general attraction of an atom for “electron”.

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if you react 100g of ammonium chloride with excess calcium oxide, what Is the theoretical yeild (in grams) of ammonia? when you
Maurinko [17]

Answer:

31.78 grams

25.55%

Explanation:

The balanced reaction for ammonium chloride with calcium oxide will be:

2NH4Cl + Ca(OH)2 ---> CaCl2 + 2NH3 + 2H2O

The molecular weight for ammonium chloride(NH4Cl ) is 53.49g/mol, while the molecular weight for ammonium(NH3) is 17g/mol. The number of theoretical yield of ammonia from 100g of ammonium chloride will be:

100g / (53.49g/mol) * 2/2  * 17g/mol= 31.78 grams

If the actual yield is 8.12g, the percent yield will be: 8.12g/31.78g * 100% =25.55%

4 0
3 years ago
How many neutrons does the isotope N-14 have?
Ad libitum [116K]

Answer:

7

Explanation:

N-14 has 7

i looked it up ye ur probably gonna get it right

6 0
3 years ago
What is the main difference between gravitational potential energy and elastic potential energy?​
Genrish500 [490]

Answer:

An object possesses gravitational potential energy if it is positioned at a height above (or below) the zero height. An object possesses elastic potential energy if it is at a position on an elastic medium other than the equilibrium position.

5 0
2 years ago
Read 2 more answers
What is the volume of 1,000 kg of ice? Please explain.
mars1129 [50]

Answer:

Volume of ice is 1.09 m³.

Explanation:

Density:

Density is equal to the mass of substance divided by its volume.

Units:

SI unit of density is Kg/m3.

Other units are given below,

g/cm3, g/mL , kg/L

Formula:

D=m/v

D= density

m=mass

V=volume

Symbol:

The symbol used for density is called rho. It is represented by ρ. However letter D can also be used to represent the density.

Given data:

Mass of ice = 1000 Kg

Volume = ?

Solution:

The density of ice is 919 Kg/m³

d = m/v

v = m/d

v = 1000 Kg / 919 Kg/m³

v = 1.09 m³

6 0
3 years ago
Which of the following is an example of an exothermic reaction?
xz_007 [3.2K]

Answer:

d instant ice packs d is your answer

6 0
1 year ago
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