Carbon dioxide, methane, chlorofluorocarbons and nitrous oxide represent the group:
options
ozone depleting substance
green house gases
suspended particulate matter
none of the above

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.

There is one girl i like and i don't know how to tell her that, i have a feeling she knows but if she doesn't i don't want to make a fool out of myself how is one way to boost my confidence on asking her out

If there are 3.5 moles of koh, how many moles of naoh can be produced? question 1 options: a)3.0 moles naoh b)3.5 moles naoh c)1 moles naoh d)9 moles naoh