Answer:
0.342g of octane
Explanation:
First let us generate a balanced equation for the reaction this is illustrated below:
2C8H18 + 25O2 —> 16CO2 + 18H20
Next, we'll calculate the molar mass and masses of C8H18 and O2
Molar Mass of C8H18 = (12x8) + (18x1 ) = 96 + 18 = 114g/mol
Mass of C8H18 from the balanced equation = 2 x 114 = 228g
Molar Mass of O2 = 16 x 2 = 32g/mol
Mass of O2 from the balanced equation = 25 x 32 = 800g
From the equation,
228g of octane(C8H18) were consumed by 800g of O2.
Therefore, Xg of octane will be consumed by 1.2g of O2 i.e
Xg of octane = (228 x 1.2)/800 = 0.342g
Therefore 0.342g of octane will be consumed
Wood i think could be wrong
The argon molecules become solid when the temperature decrease from 20C to -190 C.
<h3>What changes occur in argon?</h3>
The changes in arrangement and movement of the particles of the argon occurs as the temperature of the air decreased because the argon gas begins to freeze. The freezing point of argon is -189 Celsius so when the temperature decrease from 20C to -190 C, the argon molecules becomes solid.
So we can conclude that the argon molecules become solid when the temperature decrease from 20C to -190 C.
Learn more about argon here: brainly.com/question/23949935
#SPJ1
Answer:
B.will increase the maximum static friction between the box and the floor
Explanation:
Because static friction is the force that keeps an object at rest
So far, since you moved into the apartment until the end of this much of the story, you haven't done ANY work on the dresser yet.
I'll admit that you pushed, groaned and grunted, sweated and strained plenty. You're physically and mentally exhausted, you're not interested in the dresser at the moment, and right now you just want to snappa cappa brew, crash on the couch, and watch cartoons on TV. But if you've done your Physics homework, you know you haven't technically done any <u><em>work</em></u> yet.
In Physics, "Work" is the product of Force times Distance.
Since the dresser hasn't budged yet, the Distahce is zero. So no matter how great the Force may be, it's multiplied by zero, so the <em>Work is zero</em>.
