What 2 types of rock make up a large majority of the composition of earth crust?

How hot would a 2.3 L balloon have to get to expand to a volume of 3.0 L? Assume the initial temperature of the balloon is 24 °C, and that the pressure inside the balloon remains constant. A. 3 K B. 42 K C. 128 K D. 390 K

Pb (BO2) 2 chemical name

The combustion reaction of propane is described by the reaction. c3h8 5o2 → 4h2o 3co2. how many moles of o2 are required to generate 3 moles of co2

Lyle stirs 5.0 grams of salt into a beaker of water. He then adds 15.0 grams of pure iodine to the mixture. If the total mass of the new mixture is 225 grams, what is the mass of the water

Which chemical activates the transformation of trypsinogen to trypsin?

Which sample of water contains particles having the highest average kinetic energy?

Use the terms magnetic field and magnetic pole in a sentence

Which of the following statements about chemical formulas is FALSE? A) The subscripts represent the relative number each type of atom in the compound. B) The subscripts represent the relative mass of each type of atom in the compound.

The lowest possible concentration of free hydrogen ions is represented by a ph value of

Diseases that are inherited are caused by