The nonpolar end of a soap molecule attaches itself to grease.
Answer:
it's an indicator that a chemical reaction occurred.
Answer: A vacuum. Under the same conditions 16 s were required for the same number of moles of O2 to effuse. ... The molar mass of the unknown gas is 200 g/mol. calculation ... QUESTION 1 If gas-burning appliances are vented into an unlined masonry chimney, deteriorate and crumble and may · PLS HELP
Explanation:
<span>Releasing the oxygen from
the mercury does not change the mass. If you started with 20 g total
you would still have 20 g total after the heating</span>
Answer:
it has a huge electronegativity difference between it's atoms
