Why does the bottled water get colder as it sits in ice water? Explain using the idea of heat transfer and thermal equilibrium.

Write the complete balanced equation for the reaction between lead (iv) oxide (pbo2) and water (h2o).

What are the charges of the subatomic particles by choosing the answer from the drop down menu. protons have a (+1,0,or-1). (protons,neutrons,electrons) have a 0 charge. 3.) electrons have a (+1,0,-1)

Express the following number in scientific notation. 0.026890 =