If 20dm³ of hydrogen where

  1. If 20dm³ of hydrogen where collected over water at 17°C and 797knm² pressureA. Calculate the pressure of a drying hydrogen
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    2. Ahmad asked by Ahmad
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  2. Which statement best explains why hydrogen's atomic number is equal to its mass? (1 point)• Hydrogen is in the first row and
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  3. Which statement best explains why hydrogen’s atomic number is equal to its mass?1. Hydrogen is in the first row and the first
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  4. Which statement best explains why hydrogen’s atomic number is equal to its mass?(1 point)A. Hydrogen does not have any
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  5. Which statement best explains why hydrogen’s atomic number is equal to its mass?(1 point)Responses Hydrogen does not have any
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  6. Which statement best explains why hydrogen's atomic number is equal to its mass? (1 point)Hydrogen is in the first row and the
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  7. If 20dm3 methane was burned in pure oxygen: CH4(g) + 2O2(g) arrow CO2(g) + 2H2O(l)how do I work out the volume of carbon dioxide
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    2. Maria asked by Maria
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  8. hich statement best explains why hydrogen's atomic number is equal to its mass?(1 point) Responses Hydrogen does not have any
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  9. Describe the formation of hydrogen bonds in a hydrogen peroxide, H2O2. Represent possible hydrogen bonding structures in
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    2. Lauren asked by Lauren
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  10. Which statement best explains why hydrogen’s atomic number is equal to its mass?(1 point)Responses Hydrogen only has one
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