It 1:1 I had an online review and thats the answer it told me it was.
-Hope this helped you
The reaction is
FeO + Fe3O4 + 1/2 O2---> 2Fe2O3
Thus as shown in the balanced equation two moles of Fe2O3 are formed when 0.5 moles of O2 reacted with mixture of FeO and Fe3O4
moles of Fe2O3 = MAss / Molar mass = 4.141 / 159.69 = 0.0259 moles
So moles of O2 needed = 0.5 X 0.0259 = 0.01295
Mass of O2 = moles X molar mass = 0.01295 X 32 = 0.4144 grams
TLDR: The kinetic energy is determined to be zero.
Kinetic energy is energy of motion; when an object is moving (i.e. it has speed or velocity), it has some amount of kinetic energy. The equation itself looks like so:
KE=1/2(m)(v)^2,
where "m" represents the mass of the object and "v" represents the objects speed or velocity. In this example, the ball has stopped, meaning it has no speed/velocity. This means that the final kinetic energy is determined to be zero or none, due to the lack of motion. Mathematically, you can see this by substituting "0" in for "v" (the ball is stopped):
KE=1/2(m)(v)^2
KE=1/2(m)(0)^2
KE=1/2(m)*0
KE=1/2*0
KE=0 J,
or zero kinetic energy.
Hope this helps! :)
According to your equation, for every mole of iron oxide (Fe2O3), it takes 3 moles of carbon monoxide (CO). So for 1.75 moles, it takes 3 times as many moles of CO.
1.75 x 3 = 5.25 moles of CO.
I think your product is CO2. Dalton's Law sayeth that the coefficients tell us the ratios of moles. So if you hve 1.75 moles of Fe(III)oxide, 3*1.75 moles of CO are needed (in theory) to react completely. The answer is requested in moles, so you need go no further.
Answer:
Decreasing order of strength of the the acids :
Explanation:
The strength of an acid is measured by their pH of aqueous solution.
![pH=-\log[H^+]](https://tex.z-dn.net/?f=pH%3D-%5Clog%5BH%5E%2B%5D)
![pH\propto \frac{1}{[H^+]}](https://tex.z-dn.net/?f=pH%5Cpropto%20%5Cfrac%7B1%7D%7B%5BH%5E%2B%5D%7D)
- Lower the pH more will be the hydrogen ions and stronger will be the acid.
- Higher the pH less will be the hydrogen ions and weaker will be the acid.
Solution of HX , has equal number of hydrogen ions as a that of its initial molecules o HX.
![[H^+]_x=[HX]](https://tex.z-dn.net/?f=%5BH%5E%2B%5D_x%3D%5BHX%5D)
Solution of HY , molecules of hydrogen ions are half of the molecules of HY.
![[H^+]_y=\frac{1}{2}[HY]](https://tex.z-dn.net/?f=%5BH%5E%2B%5D_y%3D%5Cfrac%7B1%7D%7B2%7D%5BHY%5D)
Solution of HZ , one quarter molecules of hydrogen ions and three quarter of the molecules of HY.
![[H^+]_z=\frac{1}{4}[HZ]](https://tex.z-dn.net/?f=%5BH%5E%2B%5D_z%3D%5Cfrac%7B1%7D%7B4%7D%5BHZ%5D)
![[H^+]_x>[H^+]_y>[H^+]_z](https://tex.z-dn.net/?f=%5BH%5E%2B%5D_x%3E%5BH%5E%2B%5D_y%3E%5BH%5E%2B%5D_z)
This means that HX is strongest acid followed by HY and then HZ.
Decreasing order of strength of the the acids :
