According to Arrhenius which species is associated with all acids?
A) H3O+
B) OH-
C) H2O
D) none of these
A
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Indicate whether the statement is true or false
How many different ketones have the molecular formula C5H10O?
A) 1 B) 2 C) 3 D) 4
What is the primary reason why European Russia has a higher population than Asian Russia?
A) Communist government policies forced millions to move to European Russia from Asian Russia. B) Devastating diseases killed off much of the population of Asian Russia. C) European Russia has historically had an extremely low death rate. D) European Russia is better suited for agriculture and has a slightly milder climate. E) European Russia lost much of its population in World War II.
In air, as temperature increases, density ________; as water content increases, density ________
a. increases; decreases b. decreases; increases c. decreases; decreases d. increases; increases