Who discovered copper and in what year?

A student uses 200 grams of water at a temperature of 60°C to prepare a saturated solution of potassium chloride, KCl. According to Reference Table G, how many grams of KCl must be used to create this saturated solution?

a 280.0 mL sample of neon exerts a pressure of 660.0 toff at 26.0 celsius. at what temperture would it exert a pressure of 940.0 torr in a volume of 0.44 L

How does centimeters cubed and milliliters related to volume

Copper has two isotopes. The one isotope (Copper-63) has an abundance of 69.2% and a mass of 62.930 amu. The second isotope (Copper-65) has an abundance of 30.8% and a mass of 64.928 amu. Calculate the average atomic mass of copper. 62.930 amu 63.

What contains hereditary material

How many moles of Mgs203 are in 245g of the compound

A student was trying to obtain lithium by electrolysis of aqueous lithium chloride. Was he successful?

A Gouy balance is used to determine the magnetic susceptibility of a substance. A strong electromagnet is placed next to the sample, which is on a balance.

Is the bonds that cause gaseous Cl2 to become liquid when cooled intramolecular or intermolecular

Describe an example of deposition