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Julli [10]
3 years ago
10

1

Chemistry
1 answer:
antoniya [11.8K]3 years ago
6 0
Amount of space an object takes up
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How many phase rule variables must be specified to fix the thermodynamic state of each of the following systems? Show how you de
Murrr4er [49]

Answer: (i) F = 2

(ii) F = 3

(iii) F = 2

Explanation:

We would be applying the famous Gibbs Phase Rule to explaining this problem;

By applying the formula;

F+P = C +2

Where P = this represent the phase

F = this is called the degree of freedom

C = this represent the component in the system

Ok let us begin;

(i). from this we can see that there are 2 components i.e. (water + ethanol) and the phase in question is a vapor phase + liquid phase.

So from the formula;

F = C-P+2

F = 2 – 2 + 2 = 2

Therefore, F = 2.

(ii). Also, from the statement, we can figure there are 3 components, while the phases are two like the previous one above, i.e. liquid + vapor

F = 3 – 2 + 2 = 5 – 2 = 3

F = 3

(iii). From this statement, we can figure there are 3 components, and the phases are 3 i.e. (2 liquid phases + 1 vapor phase)

From the formula;

F = 3 – 3 + 2 = 0 + 2

F = 2

6 0
3 years ago
N2H4+H2O2 ——> N2+H2O coefficient
const2013 [10]

Answer:

N2H4 + 2H2O2 ---->N2 + 4H2O

Explanation:

N=2            N=2

H=6 ->8      H=2 ->8

O=2 -> 4     O=1 -> 4

Add coefficients to hydrogen peroxide on the left and water on the right, so that there is an equal number of hydrogens and oxygens.

3 0
3 years ago
How many grams is 2 drops of food coloring?
STatiana [176]
40g! sorry if i’m wrong!!
8 0
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How do you solve for x?​
Ad libitum [116K]

Answer:

substitution is the best method or collecting like terms

Explanation:

3 0
3 years ago
A chemistry instructor provides each student with 8 test tubes at the beginning of the year. If there are 28 students per class,
klemol [59]
Three classes: 28×3=84 students
8 test tubes per student: 84× 8= 672
hope this helps!
7 0
3 years ago
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