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ceasar3
Questions and answers by visitors named
ceasar3
Questions (4)
2. (a) Given the following equations and H0rxn at 250C
H3BO3(aq) �¨ HBO2(aq) + H2O(l) ∆H0rxn = -0.02kJ H2B4 O7(s) + H2O(l)
2 answers
522 views
An astronomical telescope has an object lens of 80cm and an eyepiece of 5cm focal length.If the image is formed 25cm from the
5 answers
876 views
A foam plastic of density of 0.58g/cm^3 is to be used as a life jacket.What volume of the plastic must be used if it is to keep
5 answers
3,088 views
evaluate lim x^3 -8 divided by x^2 -4 as x approaches 2
4 answers
415 views
