chemistry

posted by .

substance A has a boiling point of 80 degrees cel and a denisty of 3.5 g/cc.
substance A

which one;
a; might be an element
b; must be an element
c; must be a compound
d; might be a mixture

  • chemistry -

    You didn't finish the question.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. phyiscal science

    can you help me with the first two - I have a chart of 20. Substance O - check any appropriate element - compound - symbol-formula - atom - molecule Substance O2 - check any appropriate element - compund - symbol-formula- atom - molecule
  2. Chemistry

    Select the two conditions that must be met by a thermochemical equation so that its standard enthalpy change can be written as ÄfH°. a) One mole of each reactant is used. b) All substances are at 0°C and 1.013x105 Pa pressure. c) …
  3. chemistry

    in 1807 the English chemist Humphrey Davy passed an electric current through molten potassium hydroxide and isolated a bright, shiny reactive substance. He claimed the discovery of a new element, which he names potassium. In those …
  4. chemistry

    The primary substance from which all other chemical compounds and substances are made is a____________. A) element B) compound C) mixture D) pure substance
  5. science

    The primary substance from which all other chemical compounds and substances are made is a____________. A) element B) compound C) mixture D) pure substance
  6. chem

    The primary substance from which all other chemical compounds and substances are made is a____________. A) element B) compound C) mixture D) pure substance
  7. chemistry

    How do I calculate the number of atoms in a compound (not an element)?
  8. Chemistry

    A 1.065-g sample of an unknown substance is dissolved in 30.00 g of benzene; the freezing point of the solution is 4.25 degrees C. The compound is 50.69% C, 4.23% H, and 45.08% O by mass. Info you might need on benzene: Normal Freezing …
  9. Chemistry

    Which substance ( HBr or HF ) has the higher boiling point?
  10. Science

    Can an element be separated from a compound?

More Similar Questions