Answer:
Im pretty sure its B for the first one
Step-by-step explanation:
<span>Answer:
Use the values of free energy change for each substance,G found in a chemistry book appendix. Then do the Products - Reactants.
G[0]+2G[-216]-G[-217.33]-2G[0]
G=-214.67 kJ</span>
Answer:
Step-by-step explanation:
its c trust i am a man in my moms bacement
Answer:
And the 96% confidence is given by (110.06; 117.34)
Step-by-step explanation:
Information given
represent the sample mean
population mean (variable of interest)
s=9.1 represent the sample standard deviation
n=29 represent the sample size
Confidence interval
The confidence interval for the mean is given by the following formula:
(1)
The degrees of freedom are given by:
The Confidence is 0.96 or 96%, the significance is
and
, and the critical value would be
Replacing the info we got:
And the 96% confidence is given by (110.06; 117.34)