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  1. yousawinner

    Exothermic reaction(s)

    The reaction between sulphur trioxide and hydrochloric acid is conducted at 25 degrees celsius. The temperature of the reaction is measured as soon as the reaction stops. The delta energy is -130kJ/mol. What will be the approximate temperature of the reaction mixture? A)4 degrees B)15 degrees...
  2. yousawinner

    Anyone who's into African literature?

    We're reading this poem at school called The Weaver Bird, is there anyone who's read it and can help me with analyses?
  3. yousawinner

    No harm done.

    No harm done.
  4. yousawinner

    Find the equation of the straight line L.

    Thanks!
  5. yousawinner

    Fight with you against what?

    Fight with you against what?
  6. yousawinner

    Find the equation of the straight line L.

    A is the point with coordinates (2,8)and B is the point with coordinates (14,4). A straight line L is perpendicular to line AB and passes through A. Find the equation of the straight line L.
  7. yousawinner

    Compound structures

    Referring to their structures, explain why ethene is a gas and sodium chloride is solid.
  8. yousawinner

    What is the difference between reed and relay switches?

    Please help me...
  9. yousawinner

    Physics, Chemistry and Biology: Post your doubts here!

    Just to be on the right page, crystallization occurs when mixing two insoluble salts to make a soluble one, right?
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