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Please help!!! The mass of a particular substance is known

In a chemical reaction, exactly 2 mol of substance A react to produce exactly 3 mol of substance B.How many molecules of
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2. asked by bb
3. 645 views
A mole is an SI base unit that describes theResponses Mass of substance Mass of substance Amount of substance Amount of
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2. 65 views
In a chemical reaction, exactly 2 mol of substance A react to produce exactly 3 mol of substance B2A ---> 3B How many molecules
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2. asked by Mark
3. 1,489 views
Let y(t) denote the mass of a radioactive substance at time t.t. Suppose this substance obeys the equationy′(t)=−14y(t).
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2. asked by Sarah
3. 1,110 views
A person mixes two liquids together as shown in the illustration below.+ Clear Substance X Mass 150 g Clear Substance Y Mass 150
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2. asked by Connexus_solver
3. 47 views
Scientists identify an unknown substance on Mars. They collect the substance and record its physical properties. The mass of the
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2. 24 views
A person mixes two liquids together as shown in the illustration below.Clear Yellow solid Substance X Mass 150 g Substance Y
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2. asked by Cupidsvz
3. 156 views
An unknown substance has a mass of 17.3 . When the substance absorbs 1.557×102 of heat, the temperature of the substance is
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2. asked by Kyle
3. 976 views
An unknown substance has a mass of 11.3 g . When the substance absorbs 1.017×102 J of heat, the temperature of the substance is
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2. asked by Victorine
3. 152 views
Scientists identify an unknown substance on Mars. They collect the substance and record its physical properties. The mass of the
1. 1 answer
2. 16 views