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Vera_Pavlovna [14]
3 years ago
5

Identify each of the following compounds as binary or ternary. Then write the chemical formula for each ionic compound.

Chemistry
1 answer:
Maurinko [17]3 years ago
7 0
Binary compounds have 2 different elements, and ternary compounds have 3
Nickel(III)oxide:  binary, Ni2O3
Copper (II)iodide: binary, CuI2
Tin(IV) nitride: binary, Sn3N4
Chromium (II)bromide: binary, CrBr2
<span>Iron(III)phosphide: binary, FeP</span>
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Which of the following pairs of elements could react to form an ionic compound? Check all that apply.
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Difference between molar mass and molecular mass? ​
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Answer:

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Molar mass:

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Explanation:

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3 years ago
Carbon dioxide, when it is at -145 degreesC has a density of 2.54 g/L. What is the pressure in torr??
Black_prince [1.1K]

Answer: The pressure in torr is 461 torr

Explanation:

To calculate the relation of density and molar mass of a compound, we use the ideal gas equation:

PV=nRT

P = pressure

V = Volume

n = number of moles

R = gas constant = 0.0821 Latm/Kmol

T = temperature =-145^0C=(273-145)K=128K

Number of moles (n) can be written as:

n=\frac{m}{M}

where, m = given mass

M = molar mass  = 44 g/mol

PV=\frac{m}{M}RT\\\\PM=\frac{m}{V}RT

where,

\frac{m}{V}=d

where d = density = 2.54 g/L

The relation becomes:

PM=dRT  

P=\frac{dRT}{M}

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Thus the pressure in torr is 461 torr

5 0
3 years ago
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