which substance cannot be decomposed

  1. how many half-lives have passed if 87.5% of a substance has decomposed? how many if 99.999% has decomposed?
    1. answers icon 1 answer
    2. Kim asked by Kim
    3. views icon 1,669 views
  2. How many half-lives have passed if 87.5% of a substance has decomposed? How many if 99.999% has decomposed?For 87.5%
    1. answers icon 0 answers
    2. John asked by John
    3. views icon 1,065 views
  3. Which substance can not be decomposed by ordinary chemical means? how?1. methane 2. mercury 3. ethanol 4. ammonia
    1. answers icon 5 answers
    2. John asked by John
    3. views icon 2,371 views
  4. Suppose 1.0 mol of substance A reacts with 1.0 mol of substance B. to produce 2.0 mol of substance C. In a reaction, 2.4 mol of
    1. answers icon 0 answers
    2. Andrew asked by Andrew
    3. views icon 820 views
  5. if you had 120 grams of sugar and all of it decomposed,how many moles of water were decomposed?
    1. answers icon 2 answers
    2. jaquelin asked by jaquelin
    3. views icon 638 views
  6. A substance (CD) decomposes into C and D.CD(g)  C(g) + D(g) At the temperature of the experiment, 15.0 percent of CD is
    1. answers icon 0 answers
    2. Linda asked by Linda
    3. views icon 846 views
  7. A substance (CD) decomposes into C and DAt the temperature of the experiment, 15.0% of CD is decomposed when equilibrium is
    1. answers icon 2 answers
    2. Danielle asked by Danielle
    3. views icon 1,084 views
  8. Substance A and substance B are mixed together. To separate the mixture, water is added, and substance A is filtered out. Then,
    1. answers icon 1 answer
    2. views icon 109 views
  9. Substance A and substance B are mixed together. To separate the mixture, water is added, and substance A is filtered out. Then,
    1. answers icon 1 answer
    2. imily asked by imily
    3. views icon 95 views
  10. Substance A and substance B are mixed together. To separate the mixture, water is added, and substance A is filtered out. Then,
    1. answers icon 1 answer
    2. views icon 103 views