What is the change in temperature in oF of water that is chilled from 298.15 K to 284.15 K?

What is the chemical formula for Aluminum Oxide?

Which of the following is the correct electron configuration for a +2 cation of Vanadium? 

The formation of snow involves the deposition of H2O. Which change describes this process?

Convert 2 femtoseconds to milliseconds. 

Which scientist discovered the neutron?

Consider the calorimetry equation. Using the information in the following problem, set up the equation and include the correct units. *You do not need to solve the problem to set up the equation.  A student finds that the energy transferred to the water from the hot metal Iron rod is 3.14 Joules. The change in temperature of the rod was -9.87 Kelvin. The mass of the Iron rod was 7.04 grams.   *This question will be hand graded

Consider the polyatomic ion Chlorite. Determine the number of protons, neutrons, and electrons in this ion when Cl-37 is used. Fill in the chart.  Total Protons = [p] Total Neutrons = [n] Total Electrons = [r] **Enter a numerical value only. No words.

Calculate the new anion gap and provide an interpretation of the results. 

Preanalytical errors can be prevented by:   Removing air from samples immediately   Placing the sample on ice for at least 20 minutes   Discarding frothy samples   Avoiding use of the femoral artery