marlesly87
02.02.2021 •
Chemistry
The ionic salt KBr is dissolved in water A mass of 51.0 g of salt is added to 100. g of water. Both start at a temperature of 23.0 ∘C. ΔHsoln for KBr is 8.00 kJ/mol . Given this information, calculate the final temperature
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Ответ:
Light always follows the law of reflection, whether the reflection occurs off a curved surface or off a flat surface. The task of determining the direction in which an incident light ray would reflect involves determining the normal to the surface at the point of incidence. For a concave mirror, the normal at the point of incidence on the mirror surface is a line that extends through the center of curvature. Once the normal is drawn the angle of incidence can be measured and the reflected ray can be drawn with the same angle.