Note: <em>As you have not added the drawing. So, I assume the total number of two-inch cubes are stacked are FIVE. So, I will explain based on that assumption which anyways will clear your concept.</em>
Answer:
The total surface are will be:
Step-by-step explanation:
As we know that
- A cube contains faces of equal area.
So, the total surface area of the cube is equal to multiplied by the area of one of the faces.
As the edge of the cube = 2 inches
So, the area of one of the faces is:
Thus, the total area of the cube is:
Assuming there are total 5 cubes which are stacked, so the total surface are will:
Therefore, the total surface are will be:
Answer:
C.
Step-by-step explanation:
We are given that an expression
We have to find the simplified form of given expression.
We know that
Using the property then we get
Hence, the simplified form of is given by
Option C is true.
The y intercept is 1.
Refer to y = mx+b
b is the y intercept.
Answer:
The answer to your question is 0.186 moles of CO₂
Step-by-step explanation:
Data
Volume = 2.7 L
Temperature = 24°C
Pressure = 57.2 kPa
moles of CO₂ = ?
Process
1.- Calculate the moles of Propane, use the ideal gas formula
PV = nRT
n = PV / RT
- Convert temperature to °K
°K = 273 + 24 = 297
- Convert pressure to atm
1 atm ----------------- 101325 Pa
x ------------------ 57200 Pa
x = (57200 x 1)/101325
x = 0.56 atm
- Substitution
n = (0.56)(2.7) / (0.082)(297)
- Simplification
n = 1.512 / 24.354
- Result
n = 0.062 moles
2.- Balanced the chemical reaction
C₃H₈ + 5O₂ ⇒ 3CO₂ + 4H₂O
3.- Calculate the moles of Carbon dioxide
1 moles of C₃H₈ ------------------ 3 moles of CO₂
0.062 moles ------------------- x
x = (0.062 x 3) / 1
x = 0.186 moles