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Question 13 of 25 4.0 Points The first scientist to show that atoms emit any negative particles were A.J. J. Thomson B.William Thomson C.John Dalton D.Ernest Rutherford E.Lord Kelvin Answer Key: A Question 14 of 25 4.0 Points `How would you correctly write the atomic symbol for sulfur? ...

Feedback:Empirical Formula discussed in Chapter 6.2. Question 7 of 25 0.0/ 4.0 Points `I was wading in the creek and discovered what I thought to be a small meteorite. I took it home and found its mass to be 5.50 kg. I ran some fancy schmancy chemical tests on it, and determined that the mass o...

Question 8 of 25 4.0/ 4.0 Points Which of the following is equivalent to STP? • A. 0 K and 1 atm • B. 32*C and 760 mmHg • C. 273.15 K and 760 torr • D. 273.15 K and 750 mmHg Feedback: Great! Gas Laws are discussed in Chapter 8. Question 9 of 25 4.0/ 4.0 Points`Suppose you have a...

Question 5 of 32 3.0/ 3.0 Points `I was wading in the creek and discovered what I thought to be a small meteorite. I took a small sample of it home, ran some fancy schmancy chemical tests on it, and determined it was 18.0% chromium by mass. How many grams of this meteorite would I need to be abl...

Part 3 of 4 - 16.0/ 20.0 Points Question 6 of 12 0.0/ 4.0 Points `Aluminum has a specific heat capacity that is about twice that of iron. To balls of each metal, both with the same mass, and that have an initial temperature of 95 degrees C, are dropped into a completely insulated container that ...

Question 1 of 25 4.0/ 4.0 Points `Eureka! I've discovered a new compound! Yay for me. I have determined that its empirical formula, but in order to determine its actual molecular formula, I need to know which of the following? •A. the number of moles of the compound in a 1.00 g sample of the subs...