An unknown substance, G, is tested in the lab. In order to heat a 500.0g sample from 10.0°C to 15.0°C 2107of energy are required. Identify substance G

Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution? a. 3.88 m, b. 1.03 m, c. 1.5 m, d. 15.5 m

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

Write the chemical formula for a compound that is made of an element from group 1 and an element from group 17