Answer:
2H2S (g) + 3O2 (g) → 2H2O (l) + 2SO2 (g) 
Calculate ΔH° from the given data. Is the reaction exothermic or endothermic? 
ΔH°f (H2S) = -20.15 kJ/mol; ΔH°f (O2) = 0 kJ/, mol; ΔH°f (H2O) = -285.8 kJ/mol; ΔH°f (SO2) = -296.4 kJ/mol
 
        
                    
             
        
        
        
The answer to your question would be that 101.7 is the freezing point of phosphorous.
 
        
             
        
        
        
Answer:
No
Step-by-step explanation:
11. Correct
11a. a is the number of accessories bought
12. 32 = 3.5a + 25
7 = 3.5a
a = 2
12a. cost of the bear
13. correct
13a. f(-1)=8
 
        
             
        
        
        
Equation you asked: 4x +4y = 20, Rewritten equation: -1x + 5 
hope this helps.
        
             
        
        
        
Answer: look below
Step-by-step explanation: answer 2 triangles 1 rectangle triangle Area is 6 
For the rectangles is 16 and the combined area is 28!