In a particular chemical reaction 2 bonds are broken and no bonds are formed. Based only on this information, which of the following is true?
A) The reaction has a high activation energy.
B) The reaction is endothermic.
C) The reaction is exothermic.
D) We cannot determine which of the above is true.
B
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____________________ is a mysterious disease that causes adult bees to disappear from their hives without a trace
Fill in the blanks with correct word
When stable air is forced to lift as it passes over a mountain range, the air may become saturated and condensation may occur. In this case, the air is
A) stable. B) unstable. C) conditionally unstable.
Weathering by salt crystal growth is most effective in _____
a. arid regions and rocky coastal locations b. tropical rainforests c. steppe climates d. tundra climates e. ice sheet climates
List and describe the four cloud forms originally developed by Englishman Luke Howard in the nineteenth century
What will be an ideal response?