5.29g of a fuel (MW = 500.0 g/mol) is combusted in a bomb calorimeter. The temperature of the calorimeter increases by 15.0 degrees Celsius. The heat capacity for the calorimeter has been determined to be 7.794kJ/oC. What is the heat of reaction (in kJ/mol)?​

Tell me the iupac name of the following compounds:

Most metamorphosis processes take place

Select the correct value for the indicated bond angle in each of the compounds. o−o−oo−o−o angle of o3 90° 109.5° < 109.5° 120° < 120° 180° f−b−ff−b−f angle of bf3 180° < 109.5° < 120° 120° 109.5° 90° f−o−ff−o−f angle of of2 < 120° 120° 90° 109.5° 180° < 109.5° cl−be−clcl−be−cl angle of becl2 90° 109.5° 180° 120° < 109.5° < 120° f−p−ff−p−f angle of pf3 90° 109.5° < 109.5° 180° 120° < 120° h−c−hh−c−h angle of ch4 90° < 109.5° 180° 120° < 120° 109.5°