What mass of iron would require 235 joules of energy to increase the temperature by 10. degrees Celsius?
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Liv sheldon given the balanced equation for an organic reaction: c2h2 + 2cl2 → c2h2cl4 this reaction is best classified as *

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains

Covalent bonds generally form when the bonded elements have a difference in electronegativity less than 1.5. subtract the electronegativities for the following pairs of elements and predict whether they form a covalent bond. electronegativity difference of c and c: ionic covalent electronegativity difference of mg and cl: ionic covalent