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A compound has the empirical formula CH2O and a formula mass of 120.10 amu. What is the molecular formula of the compound? [Given the atomic masses: C (12.01 amu), H (1.008 amu), O (16.00 amu)]

Perform the calculation to the correct number of significant figures (8.01 – 7.50)/3.002

Name of the compound N2O5 is [Given prefixes: 1(mono), 2 (di), 3 (tri), 4 (tetra), and 5 (penta)]

Which of the following about the properties of matter is FALSE?

The gas mileage of a car is 22 km/L. Convert the mileage to miles per gallon. (Given: 1 km = 0.6214 mi; 1 gal = 3.785 L)

We can convert between temperature scales with the following formula. o C = (o F – 32)/1.8 Express 40 o C in  o F. 

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

Chenab rail bridge is the world’s highest railway bridge, standing at a height of 359 m. The energy possessed by a train moving over this bridge is

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.