Answer:
The net force is 2 N in the direction the book is being pushed.
Explanation:
Answer: When an acidic solution is diluted with water the concentration of H + ions decreases and the pH of the solution increases towards 7.
Explanation:
The pressure unit is in atmospheres or atm. To confirm this from the ideal gas equation:
R = VP/nT
plugging in the standard values of pressure, temperature and molar volume,
R = (22.4L/mo)l(1atm)/(273.15K) = 0.0821
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