The residents of a home have been complaining of eye, nose, and throat irritation and coughing, wheezing, chest pains, and bronchitis since they moved into their new home. After learning that urea-formaldehyde insulation was installed in the home, they have their home inspected for formaldehyde. The steady state concentration of formaldehyde was determined

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fusion: the energy source of stars. the energy released from the collapse of the gas into a protostar causes the center of the protostar to become extremely hot. when the core is hot enough, nuclear fusion commences. fusion is the process where two hydrogen atoms combine to form a helium atom, releasing energy.

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the ratio of the conjugate base to the acid required to attain the desired ph.