Explain what happens to the particles in a substance during a physical change.

Determine the standard cell potential (Ecell0) and balanced equation for the voltaic cell: MnO4 - (aq) + I - (aq) → I2 (aq) + Mn2 + (aq) where: MnO4-+5H + (aq) + 5e+→ Mn2 + (aq) + 4H2O (l) : Ered0 = + 1.51V. I2 (s) + 2e-→2I - (aq) : Ered0 = + 0.54 V.

Which calcium compound is not appreciably more soluble in 0.1 m hydrochloric acid than it is in pure water?

Is a minors surface transparent, translucent, or opaque and how do you know

What volume of 11.80 mol/dm3 HCl needed to make 1 dm3 of 0.5 mol/dm3 aqueous HCl.

Ten lab safety rules

If the initial concentration of xy is 0.050 m, what is the concentration of xy after 55.0 s?

The glow emitted by a substance exposed to external radiation is called a. phosphorescence. b. bioluminescence. c. fluorescence. d. luminescence

In comparison with liquids and gases solids are: a. more dense b. more compressible c. less organized d. more likely to flow to fill their container

What is the National Suicide rate for Teens?

According to the ph scale, which substance has the highest basicity? a. milk b. oven cleaner c. distilled water d. stomach acid