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which substance cannot be decomposed

how many half-lives have passed if 87.5% of a substance has decomposed? how many if 99.999% has decomposed?
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2. asked by Kim
3. 1,623 views
How many half-lives have passed if 87.5% of a substance has decomposed? How many if 99.999% has decomposed?For 87.5%
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2. asked by John
3. 1,021 views
Which substance can not be decomposed by ordinary chemical means? how?1. methane 2. mercury 3. ethanol 4. ammonia
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2. asked by John
3. 2,329 views
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
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2. asked by Andrew
3. 747 views
if you had 120 grams of sugar and all of it decomposed,how many moles of water were decomposed?
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2. asked by jaquelin
3. 589 views
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
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2. asked by Linda
3. 800 views
A substance (CD) decomposes into C and DAt the temperature of the experiment, 15.0% of CD is decomposed when equilibrium is
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2. asked by Danielle
3. 1,033 views
Substance A and substance B are mixed together. To separate the mixture, water is added, and substance A is filtered out. Then,
1. 1 answer
2. 54 views
Substance A and substance B are mixed together. To separate the mixture, water is added, and substance A is filtered out. Then,
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2. asked by imily
3. 52 views
Substance A and substance B are mixed together. To separate the mixture, water is added, and substance A is filtered out. Then,
1. 1 answer
2. 50 views