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Liquid oxygen boils at –183°C. Express the boiling point of liquid oxygen in Kelvin.

This is the end of this test.  Before submitting, please tear (rip apart into small pieces) your scrap pages in front of your computer’s/lap top’s video camera.   Thank you.  

What volume of 0.54 M NaCl may be prepared by dilution of 0.100 L of a 6.0 M NaCl solution?

Convert 500. milliliters to quarts.  (1L = 1.06 qt)

Chromium(VI)  is considered a hazardous, carcinogenic species, destruction of which may be accomplished by the process shown in the balanced equation below:             4 Zn (s) + K2Cr2O7 (aq) + 7 H2SO4 (aq) → 4 ZnSO4 (s) + 2 CrSO4 (s) + K2SO4 (aq) + 7 H2O (l) Which is the limiting reactant when 0.900moles of H2SO4 and 0.900 moles of  K2Cr2O7 react in excess Zn?

6.0 km is how many micrometers?

Sarah partnered with Publix to run an experiment and look at real sales data. Sarah was running a ________.

In the context of the different types of involvement, _____ exists when we show interest in an offering or activity over a long period of time.

The molarity of a solution prepared by diluting 43.72 mL of 5.005 M aqueous K2Cr2O7  to 500. mL is __________.

Upon reaction of 38.6 g of silver nitrate with excess copper(II) sulfate, 34.1 g of silver sulfate was obtained according to the balanced equation: CuSO4(aq) + 2 AgNO3 (aq)⟶Cu(NO3)2(aq) + Ag2SO4(s) What is the percent yield of silver sulfate?  (If you wish, show your work for possible partial credit.)