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Question- Estimate the volume of a solution of 2.3 M NaOH that must be added to adjust the pH from 4.0 to 9.0 in 61 ml of a 68 mM solution of phosphoric acid.
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Give an example of when heat is released from water as it undergoes a change of phase.
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When the concentration of A in areaction was changed from 1.20 M to 0.600M, the half -lifeincreased from 3-00min to 6.0 min at 250C. Calculate theorder of reaction and the rate constant.
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A 35g copper cup contains 89g of drinking water. The copper cup is placed into a cooling device consisting of an insulated container which holds 85g of water equal in temperature to the drinking water. Ammonium chloride ...
A 3.15- sample of NH4NO3 is introduced intoan evacuated 2.26- L flask and then heated to 245 C. What is the total gas pressure, in atmospheres, in the flask at245 C when the NH4NO3 has completely decomposed?
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