Answer:
oook
hi I am so sorry sorry sorry sorry I don't no answer 
Explanation:
but you follow me and give me brainliest ok by by by by 
 
        
                    
             
        
        
        
Answer:
F = 800 N
Explanation:
Given data:
Mass = 80 Kg
Acceleration = 10 m/s²
Force = ?
Solution:
Formula:
<em>F = m × a
</em>
F = force 
m = mass
a = acceleration
Now we will put the values in formula:
<em>F = m × a
</em>
F = 80 kg <em>× </em>10 m/s²
F = 800 kg.m/s²
kg.m/s² = N
F = 800 N
 
        
             
        
        
        
Answer:

Explanation:
We are given the formula: 

This is a molecular formula, because it contains nonmetals. 
1. Name the first element 
The first element is phosphorous (P). Since this is the first element and there is only one, we don't need a prefix. 
2. Second element 
The second element is chlorine (Cl). It has a subscript of 5, so we must add the prefix of <u>hepta</u>-. 
- Phosphorous heptachlorine 
Add the ending of -ide. 
- Phosphorous heptachloride 
The prefix used for the second element is hepta. The compound name is phosphorous heptachloride. 
 
        
             
        
        
        
Answer:
This is a coal combustion process and we will assume 
Inlet coal amount = 100kg
It means that there are 
15kg of H2O, 2kg of Sulphur and 83kg of Carbon
Now to find the mole fraction of SO2(g) in the exhaust?
Molar mass of S = 32kg/kmol
Initial moles n  of S = 2/32 = 0.0625kmols
Reaction:  S + O₂ = SO₂
That is 1 mole of S reacts with 1 mole of O₂ to give 1 mole of  SO₂
Then, it means for 0.0625 kmoles of S, we will have 0.0625 kmole of SO2 coming out of the exhaust
The mole fraction of SO2(g) in the exhaust=0.0625kmols
Explanation: