Find the molar enthalpy of combustion of ethane (C2H6(g)) , given that the combustion of 37.8 g of ethane raises the temperature of a calorimeter of total heat capacity 51.2 kJ/∘C by 35.6 ∘C. 3 or more sig. figs. PLEASE ANSWER THIS

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins

When the speed of the bottle is 2 m/s, the average maximum height of the beanbag is m.

What role does weathering have in shaping earth’s surface? a) it allows sediments to fall out of a medium. b) it sediments settle on a new surface. c) it breaks down older material into sediments. d) it transports sediments to a different location. will give brainliest, answer quickly.