Draw a model to show how the metamorphic rock gneiss forms and then changes into sedimentary rock. Your model should include how and where the rocks form and the source of energy for each change. Be sure to label each part of your model and describe what it shows. PLEASE HELP! THIS IS OVERDUE

Write the complete balanced equation for the reaction between lead (iv) oxide (pbo2) and water (h2o).

Match the following vocabulary terms to their definitions. 1. amount of energy required to change 1 gram of material from the solid to the liquid state at its melting point 2. a measure of the kinetic energy of the particles of a substance 3. the amount of heat energy required to raise the temperature of 1 gram of liquid water from 14.5°c to 15.5°c 4. amount of energy required to change 1 gram of material from the liquid to the gaseous state at its boiling point 5. the amount of energy required to change 1 gram of a substance 1°c a. temperature b. latent heat of vaporization c. latent heat of fusion d. calorie e. specific heat

Given that 1 mi = 1760 yd, determine what conver- sion factor is appropriate to convert 1849 yd to miles; to convert 2.781 mi to yards.