Which condition directly causes surface currents? A. uneven heating B. high salinity C. differences in density D. wind forces

Problem page write a balanced half-reaction describing the oxidation of aqueous chromium (ii) cations to aqueous chromium (iv) cations.

3.01x10^15 atoms of S = g

Rutherford's experiment with gold estimate the radius of a gold atom to be approximately 1x10^-9 cm. Suppose the radius of the nucleus is the same as a basketball.

What is 7.808 g/mL * 4.6 mL

A change in pressure would have the greatest effect on the solubility of a

Correctly identify the generic formula for a synthesis reaction. a. AB + A+B b. A+B → AB c. CxHx + O2 → CO2 + H2O d. AB + C + AC + B e. AB + CD → AD + CB

Zinc phosphide, Zn3P2, is often used as a rat poison. Phosphorus has 5 valence electrons. How many valence electrons does each zinc atom lose?

Nonrenewable resources are?

Watch the animation, then check off the samples that will conduct electricity. Check all that apply. View Available Hint (s) Check all that apply. NaCl solution Solid NaCl Solid sugar Sugar solution

Burning wood represents a chemical change. True or False?