Describe the factors that affect surface and deep water currents

1. The Tyndall effect cannot be detected in colloids. True False 2. In a oxidation-reduction reaction, the oxidizing agent always undergoes reduction. True False 3. Unsaturated compounds are very reactive. True False

Do all electromagnetic waves travel at the same speed?

What is activation energy? the energy that transports water into cells the energy needed to initiate a reaction potential energy?

Scientists are often interested in knowing the molar heat of combustion the heat released during the combustion of one molar of a substance use a periodic table to find molar masses. How many moles of ethanol are present in the sample? ? Mol

Which elements have properties similar to calcium?

Which pair of elements are the most different

A gas held at constant volume is heated from - 5 ºC to 50 ºC, if the initial pressure is 1.0 atm, what is the new pressure the gas exerts?

Unknown element x is a metal that ionically bonds to sulfur. is the formula, x3s feasible? why or why not? a) it is feasible. the three metallic ions each receive an electron from sulfur. b) no, it is not feasible.

What is the difference between a period and a group on the periodic table

Oil flows upward in the wick of a lantern because of the liquid property called A. density. B. meniscusity. C. viscosity. D. capillarity.