Answer:
La constante de equilibrio (K) se expresa como la relación entre las concentraciones molares (mol/l) de reactivos y productos. Su valor en una reacción química depende de la temperatura, por lo que ésta siempre debe especificarse.
Explanation:
Answer:
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Explanation:
Answer:
The atomic number is the number of protons in the nucleus of an atom. The number of protons define the identity of an element (i.e., an element with 6 protons is a carbon atom, no matter how many neutrons may be present).
Explanation:
The atomic number is the number of protons in the nucleus of an atom. The number of protons define the identity of an element (i.e., an element with 6 protons is a carbon atom, no matter how many neutrons may be present).
Answer:
speed of plane in still air = 252 mph
speed of wind = 42 mph.
Explanation:
Given:
Distance travelled by the small plane = 245
Time taken to fly 245 miles = 1 hour and 10 minutes.
Time taken for return trip = 50 minutes.
To Find:
speed of the wind=?
The speed of the plane in still air=?
Solution:
We Know that
=>![\frac{245}{ \frac{70}{60}} hours](https://tex.z-dn.net/?f=%5Cfrac%7B245%7D%7B%20%5Cfrac%7B70%7D%7B60%7D%7D%20hours)
=>![\frac{245}{ \frac{7}{6}} hours](https://tex.z-dn.net/?f=%5Cfrac%7B245%7D%7B%20%5Cfrac%7B7%7D%7B6%7D%7D%20hours)
=>![245 \times { \frac{6}{7}](https://tex.z-dn.net/?f=245%20%5Ctimes%20%7B%20%5Cfrac%7B6%7D%7B7%7D)
=>210 mph against wind
on way back
=>![\frac{245}{ \frac{50}{60}} hours](https://tex.z-dn.net/?f=%5Cfrac%7B245%7D%7B%20%5Cfrac%7B50%7D%7B60%7D%7D%20hours)
=>![\frac{245}{ \frac{5}{6}} hours](https://tex.z-dn.net/?f=%5Cfrac%7B245%7D%7B%20%5Cfrac%7B5%7D%7B6%7D%7D%20hours)
=>![245 \times { \frac{6}{5}](https://tex.z-dn.net/?f=245%20%5Ctimes%20%7B%20%5Cfrac%7B6%7D%7B5%7D)
=> 294
Now
294 = plane +wind------------------------(1)
210 =plane - wind-------------------------(2)
Solving (1) and (2)
2 plane = 504
plane = 252
plane = ![\frac{504}{2}](https://tex.z-dn.net/?f=%5Cfrac%7B504%7D%7B2%7D)
So substituting plane value in eq(2) we get,
210 =252 - wind
wind = 42 mph
The answers that apply are;
- The production of ATP from ADP is non-spontaneous.
- The production of ATP from ADP is endothermic.
The formation of ATP from ADP is not spontaneous (requires energy input) and is why it requires an enzyme (ATP synthase) to reduce the activation energy and catalyze the reaction. The reaction absorbs energy and this is why ATP is used to reserve energy in the Pi bond for later use (through hydrolysis of the bond).