Why are there so many volcanoes in and around japan

The solubility of a compound with a molecular weight of 226.9 is determined to be 22.1 g in 125.0 g of water at 398 K. Express this concentration in terms of molality.

In a biological reaction involving and enzyme the substrate binds to A. The active site of an enzyme B. the active of another substrate C. The inactive site of an enzyme D. The inactive site of another substrate

For basic solutions, which element is added to balance half-reactions? A. chlorine B. hydroxide C. iron D. nitrogen

Which is not a compound?. a. water. b. silicon dioxide. c. gold. d. sugar

Which is not a characteristic of most nonmetals? Their atoms lose electrons when bonding with metal atoms. Their atoms gain electrons when bonding with metal atoms. Their atoms share electrons with other nonmetal atoms.

Which of these is a source of sediment? A. Fragments if other rocks B. Chemicals and minerals dissolved in water C. Sea shells D. All of the above

Entropy is greater at higher trophic levels than at lower levels ... True of False

If the caffeine concentration in a particular brand of soda is 2.85 mg/oz, drinking how many cans of soda would be lethal? Assume that 10.0 g of caffeine is a lethal dose, and there are 12 oz in a can.

Suppose that your favorite AM radio station broadcasts at a frequency of 1600 kHz. What is the wavelength in meters of radiation from the station? (Hint: convert kHz to Hz and find frequency first.)

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