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sweet [91]
3 years ago
12

Heat always flows from a_________ place to a_________ place.

Chemistry
2 answers:
algol [13]3 years ago
5 0
Heat flows from high temperature to low temperature
vovangra [49]3 years ago
3 0

Explanation:

When a substance is heated then its molecules gain kinetic energy and they start to collide rapidly with each other.

As a result, when we place another object of a lower temperature then molecules of the hotter object tends to lose excess of energy.

Hence, this energy is transferred to the adjacent colder object. This means that heat flows from a hotter object to a colder object.

Thus, we can conclude that heat always flows from a hotter place to a colder place.

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The combustion of ethanol ( C 2 H 6 O) produces
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Answer:

C2H6O + 3O2 —> 2CO2 + 3H2O

Explanation:

7 0
3 years ago
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A reaction that is NOT thermodynamically favored at low temperatures can become thermodynamically favored at high temperatures
Rom4ik [11]
Explanation:

Its gonna be D
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The equilibrium of 2H 2 O(g) 2H 2 (g) + O 2 (g) at 2,000 K has a Keq value of 5.31 x 10-10. What is the Keq expression for this
maks197457 [2]
Answer is: Keq expression for this system is Keq = <span>[O</span>₂<span> ]</span> · [H₂<span>]</span>² ÷  [H₂O<span>]</span>².<span>
Chemical reaction: 2H</span>₂O(g) ⇄ O₂(g) + 2H₂(g).
The equilibrium constant<span> (Keq) is a ratio of the concentration of the products (in this reaction oxygen and hydrogen) to the concentration of the reactants (in this reaction water).</span>
7 0
4 years ago
4. Juan tiene un cilindro de 40 libras herméticamente cerrado con gas propano y lo conecta mediante una válvula a otro cilindro
ch4aika [34]

Answer:

Ver explicacion

Explanation:

Cuando el cilindro de 40 libras está conectado al cilindro de 100 libras, generamos una presión que continúa hasta que los dos cilindros alcanzan la misma presión de gas en equilibrio. Recuerde que el cilindro de 100 libras estaba inicialmente vacío. Esto significa que su presión inicial es 0. El cilindro de 40 libras ya estaba lleno, por lo que dividimos esta cantidad en dos para tener en cuenta su distribución entre los dos cilindros.

Ahora tenemos 20 libras de gas propano presentes en cada cilindro. La implicación de esto es que, en el cilindro de 100 libras, necesitamos 80 libras adicionales para completar las 100 libras.

5 0
3 years ago
What is kind of property is denisty?
Virty [35]

Answer:

INTENSIVE PROPERTY OF MATTER

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DENSITY IS AN INTENSIVE PROPERTY OF MATTER THAT ILLUSTRATES HOW MUCH MASS A SUBSTANCE HAS IN A GIVEN AMOUNT OF VALUE,

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2 years ago
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