A sample of propane (c3h8) has a mass of 0. 47 g. The sample is burned in a bomb calorimeter that has a mass of 1. 350 kg and a specific heat of 5. 82 j/(g • °c). How much energy is released by the reaction if the temperature of the calorimeter rises by 2. 87°c? use q equals m c subscript p delta t. 7. 85 kj 10. 6 kj 22. 5 kj 47. 9 kj.

If you are charged in a crash with injuries and are driving a motorcycle, you are for any bodily injuries and property damage to others. possibly responsible not responsible probably responsible financially responsible

In the image, layer a is the topmost layer. layer c contains fossils from the precambrian era. layer b contains dinosaur fossils, and layer a contains fossils of mammals. which two statements are supported by this evidence? 1. mammals lived before the precambrian era. 2. dinosaurs and mammals existed in the precambrian era. 3. dinosaurs evolved after precambrian organisms. 4. precambrian organisms evolved after dinosaurs. 5. precambrian organisms were the first life-forms to become fossilized, according to this sample.

In this food web, which group would increase in number if snakes were eliminated? a. producers b. decomposers c. primary consumers d. secondary consumers e. tertiary consumers