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mrs_skeptik [129]
3 years ago
14

What can change of matter from one state to another state?

Physics
1 answer:
Anna35 [415]3 years ago
8 0

Answer:

answer is Heating

Explanation:

take a solid and heat it it will become a liquid

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3 years ago
The reaction mixture represented above is at equilibrium at 298 K. The value of the equilibrium constant for the reaction is 16
andre [41]

Answer : The equilibrium concentration of T(g) is 0.5 M

Solution :

Let us assume that the equilibrium reaction be:

The given equilibrium reaction is,

R(g)+2T(g)\rightleftharpoons 2X(g)+Z(g)

The expression of K_c will be,

K_c=\frac{[Z][X]^2}{[R][T]^2}

where,

K_c = equilibrium constant = 16

[Z] = concentration of Z at equilibrium = 2.0 M

[R] = concentration of R at equilibrium = 2.0 M

[X] = concentration of X at equilibrium = 2.0 M

[T] = concentration of T at equilibrium = ?

Now put all the given values in the above expression, we get:

16=\frac{(2.0)\times (2.0)^2}{(2.0)\times [T]^2}

[T]=0.5M

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4 years ago
Which is the atomic number of zirconium? A.39 B.40 C.41 D.42
grandymaker [24]
B. The atomic number of zirconium is 40.
5 0
3 years ago
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Heat is allowed to flow from the heat source of a heat engine at 425 K to a cold sink at 313 K. What is the efficiency of the he
olga2289 [7]
I assume here that the engine operates following a Carnot cycle, which achieves the maximum possible efficiency. 

Under this assumption, the efficiency of the engine (so, the efficiency of the Carnot cycle) is given by
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where
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\eta=1- \frac{313 K}{425 K}=0.264 = 26.4 \%
3 0
4 years ago
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