A calibration curve for a certain metal ion solution is shown below.  The absorbance of an unknown solution was measured to be 0.65. Using the equation of the line, what is the molar concentration of the metal ion in solution?

How many milliliters of a 1.20 M NaNO3 solution would be needed to make 60.0 mL of 0.0400 M NaNO3 solution?

Brass is an example of a homogeneous solution. If you had a 110.0 g piece of brass that is 55.0 % copper and 45.0 % zinc, how many grams of copper and how many grams of zinc would be present in the piece of brass? What is the solute and what is the solvent in the piece of brass?

What is the equation for determining mass percent of an element in a compound?

Match the following awareness context with it’s definition:

“We are born with the ability to ________ to change, but we all must _________how to cope with loss”

Coping with dying typically involves 1 single person at a time.

A 3 kg particle with a charge of 3 C, is moving at 10 m/s near a bar magnetic with a magnetic field strength of 3 T as shown below. a. Sketch the magnetic field lines of the magnetic. Screen Shot 2024-07-24 at 2.37.38 PM.pngb. Calculate the magnetic force on the particle due to the magnet.  c. A second identical magnet is place in the same region, sketch the field lines.  Screen Shot 2024-07-24 at 2.38.31 PM.pngd. Calculate the net magnetic force on the particle due to both magnets. 

The IVC is ___________, in relation to the Liver.

F24 – Student support is very important to Professor Pollett. Please email at anytime or ask your questions during Support Hour (office hour) after class.