I think the reason why the reaction is at equilibrium after 60 seconds is because the concentration of both NO2 and N2O4 are : Constant, which means that they do not undergone any change
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Answer:
yes, soil is weathered from the bedrock below the subsoil. Soil contains whatever the bedrock below it consist of whatever the bedrock below it is made of.
Explanation:
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A lemon juice cleans a penny. I believe this to be the answer because the lemon cleans the penny but no molecules change
Answer:
The number of electron shells is therefore the same across a period but increases when moving down a column.
Explanation:
Answer: a low and low pH.
Explanation:
pH is the measure of acidity or alkalinity of a solution.
pH is calculated by taking negative logarithm of hydrogen ion concentration.
Thus as pOH and are inversely related, a solution having higher pOH will have less amount of concentration. And a solution having more pOH will have less pH.
Thus a substance with a high pOH would likely have low concentration and low pH.