The molar mass of Cu is 63.55 g/mol. The number of grams of Cu produced in this reaction is.

How does changing the energy in a substance to change its state of matter

A distance of 2 kilometers is equal

Choose an element that will gain 1 electron in order to achieve noble gas configuration? what is the group name for that element?

How can something be considered abiotic and biotic

25. Which of the following statements is true for the element sulfur? A It has 17 neutrons B It has more electrons than Argon C Its symbol is Su D It has 6 electrons on its third energy level

What are substances called whose solutions conduct electricity?

How many atoms does sodium silulfide have?

Calculate the molar mass of Al (OH) 3.

Lava is rock that has undergone a physical change and has liquefied. What is known about this change? A. The lava gained mass. B. The lava was burned into smoke. C. The lava can cool back into rock. D. The lava lost mass.

Which solution is the most concentrated? 2.0 mL of 10 M H2SO4, where H2SO4 has a molar mass of 98 g/mol 5.0 mL of 1.0 M PbSO4, where PbSO4 has a molar mass of 303 g/mol 2.0 mL of 10.