science

posted by .

why did the balance record a decrease in mass during the reaction betwwn iron sulphide and hydrochloric acid?

  • science -

    Did you smell anything? If so, a gas was given off, and the balance wont record that as a mass.

    Phew. A smelly reaction.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Science

    Heating Iron and Sulphure pruduces Iron Sulphide. What is the consitency/ appearance of Iron Sulphide ?
  2. Chemistry

    According to the following reaction, how many moles of water will be formed upon the complete reaction of 22.6 grams of hydrochloric acid with excess iron(III) oxide?
  3. science

    3. Hydrobromic acid dissolves solid iron according to the following reaction: Fe(s) + 2HBr(aq) ---> FeBr2(aq) + H2(g) What mass of HBr (in g) would you need to dissolve a 3.2 gram pure iron bar on a padlock?
  4. chemistry

    equation of the reaction of hydrochloric acid and iron sulphide
  5. science-chemistry

    A piece of metallic iron (10 moles) was dissolved in concentrated hydrochloric acid. The reaction formed hydrogen gas and iron chloride. How many moles of iron (II) chloride were formed?
  6. Chemistry

    Write and balance an equation for a reaction in which iron (Fe) and hydrochloric acid (HCL) reacto to form iron chloride (FeCl2) and hydrogen (H2)
  7. Grade 10 Science

    Why is the name for the ionic bond FeS Iron (II) Sulphide when the charges on iron and sulphur are +2 and -2?
  8. chemistry

    case 1: Iron (3) sulphide contains 46.3% by mass of sulphur, and 53.7% by mass of Fe. case 2: Also Iron (2) sulphide contain 36.50% by mass of S and 63.50% by mass of Fe.a) Calculate the mass of sulphur which combine with 1gm of Iron …
  9. Chemistry

    8.8 g of iron(II) sulphide reacts completely with excess dilute hydrochloric acid. Calculate the volume of hydrogen sulphide evolved, measured at 18 ยบ C and 729 mmHg pressure.
  10. Science

    When iron is heated with sulphur, iron sulphide is formed . Name the reaction

More Similar Questions