8:50 Question 3 of 36 Submit Which one of the following will dissociate into the largest...
8:36 LTE Question 3 of 23 Submit A helium balloon initially at room temperature is dunked into a bucket of liquid nitrogen (T = 77 K). Which of the following will occur? A) Volume increases B) Volume decreases C) The number of moles increases D) The number of moles decreases E) Temperature increases Tap here or pull up for additional resources
8:427 Question 39 of 64 Submit Of the following, which sublevel is filled last? A) 3d B) 4s C) 4p D) 4d E) 5s Tap here or pull up for additional resources
Question 39 of 42 Submit A particular vitamin's chemical formula has one cobalt atom. What is the molar mass of the vitamin if it contains 4.34% cobalt? g/mol 3 X 7 8 9 +/- x 100 Tap here or pull up for additional resources Question 40 of 42 Submit What is the mass percent of water in zinc(II) nitrate hexahydrate? % 2 X 8 9 +/- x 100 Tap here or pull up for additional resources Question 41 of 42...
8:574 Question 8 of 23 Submit Which is NOT a property of an ideal gas? A) Consists of point particles B) Can pass through walls C) There are no attractive/repulsive forces D) All of the above are properties of ideal gases E) None of the above are properties of ideal gases Tap here or pull up for additional resources
8:43 Question 64 of 64 Submit Which of these statements is true concerning the following reaction? Na(g) → Na*(g) + e. A) The energy required is the electron affinity B) The reaction is exothermic C) Na*(g) is an anion D) This is an ionization process. Tap here or pull up for additional resources
Question 16 of 20 Submit Calculate the mass percent by volume of 42.6 g of glucose (C6H12O6, MM = 180.2 g/mol) in 325 mL of solution. 1 4 2 2 3 3 5 6 + x 100 Tap here or pull up for additional resources
Question 8 of 10 Submit What is the concentration of a solution made with 0.450 moles of KOH in 400.0 mL of solution? 1 2 3 +/- x 100 Tap here or pull up for additional resources
Question 16 of 20 Submit Calculate the mass percent by volume of 42.6 g of glucose (C6H12O6, MM = 180.2 g/mol) in 325 mL of solution. 1 4 2 5 3 6 + x 100 Tap here or pull up for additional resources
< Question 6 of 36 Submit Which of the following sets of quantum numbers can describe a 3p electron? A) n = 1, $ = 3, ml = 1 B) n = 3, l = 2, ml = 1 C) n = 3, l = 1, ml = 1 D) n = 3, l = 0, ml = 1 E) n = 2, l = 3, ml = 1 Tap here or pull up for additional resources
8:34 1 Question 30 of 64 Submit Which of the following atoms would have the longest de Broglie wavelength, if all have the same velocity? A) Li B) Na C) Fe D) Pb E) Not possible to tell with given information Tap here or pull up for additional resources