A student examines the temperature and precipitation on a given day using a thermometer and a rain gauge. The student is measuring-

A. temperature only

B. climate only

C. wind speed only

D. specific weather conditions

The amount of I3 - (aq) in a solution can be determined by titration with a solution containing a known concentration of S2O3^2 - (aq) (thiosulfate ion).

Which statement about van der Waals forces is true?

Why is sugar soluble in water while oil cannot form a solution?

What does the arow mean in a chemical equation

The smallest unit of an element

What functional groups of the emulsifying agent provide the hydrophilic character? Do these groups affect the pH?

Which element has atoms that can form single, double, and triplecovalent bonds with other atoms of the same element? (1) hydrogen (3) fluorine (2) oxygen (4) carbon

Which of the following statements best describes the basic structure of an atom? Electrons and protons are in motion around a nucleus that contains neutrons Neutrons are in motion around a nucleus that contains protons and electrons Protons are in

Which of the following elements is released into the atmosphere by all of these processes: volcanic outgassing, animal respiration and flatulence, burning of fossil fuels, and metamorphism of limestone? a. Carbon. b. Nitrogen. c. Oxygen. d. Sulfur

A phase change from a solid to a gas is called what