Statistics
Thanks, anyone for the rest?
general chemistry
Identify and discuss the differences between the terms ‘theories,’ ‘laws,’ and ‘hypotheses.’ Describe ‘controlled conditions
History
How did the Dark Ages end?
chemistry
If you used the alcohol burner to heat the water and all of the heat from the burning of the alcohol went into heating the water, how many grams of alcohol will you burn to do that heating? (Remember, for every 7,000 calories needed, it will use up a gram of alcohol.)
chemistry
After the lithium chloride dissolves and you get the heat from the Heat of Solution, what could you do to the dissolved lithium chloride so that you could reuse it for heating?
chemistry
2Na+(aq) + CO32-(aq) + H2O(l) 2Na+(aq) + HCO3-(aq) + ???(aq)
chemistry
Write the double-replacement reaction of PbCl2 reacting with Na2CO3.
chemistry
thanks DrBob222
chemistry
How many calories will be needed to melt that 50 grams of snow (report as 1 significant figure)?
chemistry
Write the double-replacement reaction of HgCl2 reacting with Na2CO3.
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