Answer:
The answer to your question is K = 1.48
Explanation:
Balanced chemical reaction
Br₂ + I₂ ⇒ 2IBr
Process
1.- Calculate the concentration of each of the reactants
[Br₂] = 0.6 mol / 1 L
= 0.6 M
[I₂] = 1.6 mol / 1 L
= 1.6 M
[IBr] = 1.19 M
2.- Write the equation of the Equilibrium constant
K = [IBr]² / [Br₂][I₂]
-Substitution
K = [1.19]² / [0.6][1.6]
- Simplification
K = 1.4161 / 0.96
- Result
K = 1.48
Answer:
Yes
Explanation:
An object's weight can change, depending on its location, relative to the object of discussion. For example, we don't notice the change, but the farther away we are from Earth's core, the less we weigh. This means one would weigh more in a valley than they would on a mountain. The formula for gravity is F=G((msub1)(msub2)/r^2), where F is the force of attraction, G is the universal gravitational constant, msub1 is the mass of the first object, msub2 is the mass of the second object, and r is the distance between the two objects.
Answer:
B. the role of creativity in scientific discovery
Explanation:
Watson and Crick's ball-and-stick model of DNA demonstrates the importance of creativity in science. Creativity involves having a questioning mind that is always searching for answers and which employs logical reasoning to arrive at these answers. After Rosalind Franklin obtained an X-ray diffraction of DNA, Scientists Watson and Crick expanded on this knowledge by creatively organizing ball and sticks in a manner that represenseted the structure of the DNA.
This simple creative act led to more discoveries about the DNA including the facts that their was a pairing wherein Adenine paired with Thymine and Cytosine paired with Guanine. They also found that the DNA structure could be unzipped and that copying was also possible. They used the simple things around them to arrive at this conclusion. This is an example of the importance of creativity in science.
Answer: 0.43molO₂
Explanation:
The ideal gas law for moles is 
. If you did not know, R is the ideal gas constant, 
.
Since the temperature must be in Kelvin, we must convert our given temperature from ℃ to K. 
Now that we have the temperature converted to Kelvin, we can plug in our information to the ideal gas law for the number of moles.
Therefore, the number of moles is 0.43molO₂.
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