Charcoal Carbon

Determine the mass of CO2 produced by burning enough carbon (charcoal) to produce 520KJ of heat?

C + O2 –> CO2 delta H rxn = -393.5

a step by step explanation would be extremely helpful! the answer is supposed to be 58.2g thanks!

lil_lisa,

First, they gave you that the enthalpy [...]

Sun Leaves

If sunlight travels at 186,000 miles per second.From the time it leaves the sun how long would it take to reac

How long does it take for sunlight to reach Earth from the time it leaves the sun?

About 8 minutes and 33 seconds. Use the formula d=st. t=d/s.Change seconds to [...]

Sodium System

is Sodium Nitrate a buffer system?

no. because NaNO3 is made from NaOH – a strong base, and HNO3, a strong acid. Therefore it cannot be a buffer system.

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