Determine the number of moles of oxygen in 1.60 moles of sodium hydrogen phosphate (Given molecular formula: Na2HPO4)  

Consider the recipe: 2 cups flour + 3 eggs + 1 tbsp oil à 4 pancakes What is the theoretical yield if you have 5 cups of flour, 9 eggs, and 3 tbsp oil?

A scientific theory is a model for the way nature is and tries to explain not merely what nature does, but why. Which of the following statements represent a theory?

How many electrons are present in O2- ion? (Given: Atomic number (Z) of oxygen is 8)

Na and K belong to group 1A. Na reacts with Cl2 and forms NaCl as per the following equation.  2Na (s) + Cl2 (g) → 2NaCl (s) What is the product formed when K reacts with Cl2 gas?

How many He atoms are contained in 2.36 moles of He? (Given: 1 mol = 6.022×1023)

The formula of aluminum sulfate is (Given ions: Al3+ and SO42-)

A compound has the empirical formula CH2O and a formula mass of 120.10 amu. What is the molecular formula of the compound?

SHORT ESSAY RESPONSE: Write a short essay on only ONE topic (Topic A or Topic B, your choice). Please label your essay TOPIC A or TOPIC B. Include a clear thesis statement and at least two quotations from the writers appropriate to the essay prompt of your choice. TOPIC A: Compare/contrast the trials and hardships of both Anne Bradstreet and Roger Williams in the New World. How are these trials different or similar? Have these two colonists anything in common? Use both writers’ own words as contextual evidence to enrich your essay. Be sure to cite your page/paragraph numbers when quoting/paraphrasing. TOPIC B: Discuss the personal lives and public contributions of Captain John Smith and William Bradford. How did both men represent the different interests of early colonists? Important: Include specific, cited quotations from both Smith and Bradford to illustrate.

Explain some key points of disagreement between empiricism and rationalism as it relates to our specific content of this course. (minimum word count 100 words)