Friday
December 6, 2013

# Posts by karla

Total # Posts: 139

chemistry
in a recipient of 40 cm^3 of water at 4°C is introduced aluminum over 80g to 8ºC. neglecting the effect of the recipient, calculate final temperature

math
two vectors are defined as a=2i+xj and b=i-4j. find value of x if a) the vectors are parallel b) the vectors are perpendicular

math
two vectors are defined as a=2i+xj and b=i-4j. find value of x if a) the vectors are parallel b) the vectors are perpendicular

Global
The tombstone proclaims that all france lies beneath the guillotine. What revolutionary event does it depict?

Global History
what about this one how has the idea of freedom of thoughts and expression by the philosopher voltaire altered the way governments manage societies

Global History
okay thanks you

Global History
well i have to write a paragraph explain how the scientific method impacted our understanding of the world and the way we study it?

Global History
How has the scientific method impact our understanding of the world and the way we study it?

chemistry
Calculate the pH during the titration of 20.00 mL of 0.1000 M CH3CH2CH2COOH with 0.1000 M NaOH after 26.5 mL of the base have been added. Ka of butanoic acid = 1.54 x 10-5.

chemistry
Calculate the pH during the titration of 20.00 mL of 0.1000 M CH3CH2CH2COOH with 0.1000 M NaOH after 26.5 mL of the base have been added. Ka of butanoic acid = 1.54 x 10-5.

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