What role does gravity play in the sun’s function? Choose the two that apply. A. Gravitational forces heat up the plasma at the surface of the sun and create convection loops.
B. Gravitational forces place the material at the sun's core under intense pressure.
C. Gravity causes cooled plasma at the sun's surface to sink.
D. Gravity causes the core of the sun to be very hot.

What is the value of keq for the reaction expressed in scientific notation?

When 13.3 g koh is dissolved in 102.7 g of water in a coffee-cup calorimeter, the temperature rises from 21.4 °c to 31.53 °c. what is the enthalpy change per gram of koh (j/g) dissolved in the water? * take the density of water as 1.00 g/ml. * assume that the solution has a specific heat capacity of 4.18 j/g*k. enter to 1 decimal place. do not forget the appropriate sign /(+). canvas may auto-delete the (+) sign

What is the compound name for the formula [ru(en)2cl2]2+ and [co(en)cl2br]-