Calculate the molar concentration of 11.8 moles of NaCl in
0.50 liters of water.

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

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Which fact represents evidence for the big bang theory?