An unknown gas is collected by water displacement. The barometer reading is 100.3 kPa and the temperature is 20.0 °C. The water vapor has a pressure of 2.34 kPa at 20.0°C. What is the pressure of the dry gas?​

When 225mg of anthracene, c14h10(s), was burned in a bomb calorimeter the temperature rose by 1.75k. calculate the calorimeter constant. by how much will the temperature rise when 125mg of phenol, c6h5oh(s), is burned in the calorimeter under the same conditions? (δch< (c14h10,s)=–7061 kj mol−1.)

Achemist 16 drop copper metal from copper chloride solution. the chemist place is 0.50 g of aluminum foil in a solution containing 0.75 g of copper (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction?

Why are people not able to skip a dive to the deepest part of the ocean