15.01
tan(65) = BC/7
BC = 7*tan(65)
I think it would take them 2 hours since it would be 2 squared so it would be 2 times 2 would equal to 6
Hope that helped :)
Answer:
59
Step-by-step explanation:
just add the 2 and you should get 59
The answer is B because u can’t add and negative and a positive exponent
Answer:
Rate of reaction when concentration of A is doubled=0.018 M/s.
Step-by-step explanation:
We are given that for the multi-step reaction
It is given that the rate-limiting step is unimolecular with A as the sole reactant
It means rate of reaction depend upon the concentration of reactant A only
Rate of reaction =k[A]
[A]=0.110 M
[B]=0.110 M
Rate of reaction =0.0090 M/s
According to rate law
Rate of reaction=k[A]
If concentration of A is doubled then the rate of reaction is given by
Rate of reaction =k[2A]= 2 k[A]=2 initial rate of reaction
Therefore, rate of reaction after substituting values
Rate of reaction ==0.018 M/s
Rate of reaction when concentration of A is doubled=0.018 M/s.