The blank produced in the core powers the sun and produces essentially all the blank and blank we receive on earth

Asolution contains 180 g of glucose (c6h12o6) and 162 g of water. what is the mole fraction of glucose?

In the space, show a correct numerical setup for calculating the number of moles of co2 present in 11 grams of co2

8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.