What is an acid?

Acid is that can move to a different forms!

When electroplating silver (Ag) on iron (Fe) what is oxidized

Which of these is a mixture? A) salt water B) calcium C) Potassium D) carbon dioxide

What happens if you overheat copper sulfate

How do you know if a reaction is exothermic

Magine that an uncharged pith ball is brought into the electrostatic field of a charged rod. The side of the pith ball closest to the negatively charged end of the rod will A.

An insulator: A. Conducts heat well B. Does not conduct heat well C. Is used to heat cold objects D. Is used to cool hot objects

Which of the following choices would have a negative entropy change? A. N2 (g) + 3H2 (g) - >2NH3 (g) B. CaCO3 (s) - > CaO (s) + CO2 (g) C. H2O (s) - > H2O (l) D. Fe2O3 (s) + 3C (s) - > 2Fe (s) + 300 (g)

Increasing the temperature of a liquid-solid solution will:

What is the most abundant substance dissolved in sea water? magnesium chloride sodium chloride

Problem 5.32 - enhanced - with feedback the rolling resistance for steel on steel is quite low; the coefficient of rolling friction is typically μr=0.002. suppose a 180,000 kg locomotive is rolling at 22 m/s on level rails.