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Round the number 4195.76 to 2 significant figures.

If 7.50 mL of a 6.0 M HCl solution is diluted with water to make a 0.25 M HCl solution, what is the final volume of the dilute solution? Show your work below (use the math equation  xx function from the toolbar above if needed).

What is the molarity of a solution which contains 83.5 g NaCl [MM = 58.44 g/mol] in 0.750 L of solution?

Which one of the following is FALSE about bonding?

Which description involves kinetic energy?

An automobile is traveling at 1550 inches / second.  What is the speed expressed in miles / hour?  Given:  1 mile = 5280 feet and 1 foot = 12 inches.   Show your math setup with answer.  An answer only will NOT receive full credit. You may choose to use the equation editor (x  ).  Click on the three vertical dots to find it in the tool bar. Express answer using significant figure rules. 1 point each conversion factor used = 4 points Answer = 0.5 pt correct + 0.5 pt sig figs = 1 point

When the Lewis structure for H2Se is drawn, the electron pair geometry AND molecular geometry (in that order) for the structure is

Convert 5.89 x 103 kg to g.  Show  the metric definition you used along with your math setup with answer.  An answer only will NOT receive full credit. You may choose to use the equation editor (  ).  Click on the three vertical dots to find it in the tool bar. Metric definition = 1 pt Math setup = 1 pt Answer = 1 pt

Which of the following clinical situations are considered indications for mechanical ventilation? I. apneaII. hyperventilationIII. progressive neuromuscular diseaseIV. impending respiratory failure

Bonus Question worth 3 points. Which of the following explains why ice floats on water?