1. What mass of Ba(OH)2 is needed to add to 1.50 kg of water to make a 5.50 m solution?

What is the nature of the ca-cl bond in a molecule of calcium chloride (cacl2) if the electronegativity value of calcium is 1.0 and that of chlorine is 3.16?

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space

If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?