(2) a base because they accept H+ ions. NH3 is the conjugate base of NH4+.
Answer:
B. To change from a liquid state to a solid state is called Freezing
Both have a continuous light spectra the fluorescent source makes a spectra with more intense bands of mercury
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Answer: 714 g Al2O3
Explanation: Solution attached
First convert mass of O2 to moles
Do the mole ratio between O2 and Al2O3 from the balanced equation.
Convert moles of Al2O3 to mass using its molar mass.
We wouldn't have the majority of the people around that we do now, soldiers would have bleed out on the field, people needing blood transplants due o having cancer, people in car accidents, people with brain bleeds. The population would practically be cut in half.
