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14. Use the QUADRATIC FORMULA to solve the equation:  

Which of the following societies engaged in extensive maritime trade well beyond their borders in the fifteenth century?

What do you call fake spaghetti?

Other than the email in GeorgiaVIEW/D2L, how would you prefer your instructor to contact you, if they need to reach you about the class? By email, text, video call, or by phone? (Select all that apply.) Remember, you are still required to check your email in D2L and/or your Catmail. 

The ΔE of a system that absorbs 12.4 J of heat and does 4.2 J of work on the surroundings is ________ SHOW WORK FOR THIS QUESTION

Of the following transitions in the Bohr hydrogen atom, the ________ transition results in the emission of the lowest-energy photon.

Which solution has the same number of moles of HCl as 25.0 mL of 0.200 M solution of HCl? YOU MUST SHOW WORK FOR THIS QUESTION

The value of ΔH° for the reaction below is -186 kJ.                          H2 (g) + Cl2 (g) → 2HCl (g)  The value of ΔH°f for HCl (g) is ________ kJ/mol.

BONUS QUESTION OPTIONAL:  Calculate the energy (J) found in one photon of visible light if the wavelength is 589 nm. YOU MUST SHOW YOUR WORK FOR THIS QUESTION TO GET THE BONUS POINTS

Zinc is more active than cobalt and iron but less active than aluminum. Cobalt is more active than nickel but less active than iron. Which of the following correctly lists the elements in order of increasing activity?