What volume of 0.115 m hcl is required to completely neutralize 0.025 l of 0.138 m koh?

Why are the trends and exceptions to the trends in ionization energy observed?

Matches the chemical name of each oxide of phosphorus to its chemical formula

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