A crucible contains 6.4 g of copper, Cu. How many moles does this amount contain? [Given: Cu=64]

How is soot different from other types of molecules?

Which would have a higher pH, a 0.1 M solution of a strong acid, or a weak acid? Why?

Ammonium perchlorate nh4clo4 is the solid rocket fuel used by the u. s. space shuttle. it reacts with itself to produce nitrogen gas n2, chlorine gas cl2, oxygen gas o2, water h2o, and a great deal of energy.

Which of the dollowing isotopes have 8 neutrons in the nucleus? O-15 O-17 C-13 C-14

Which two of Earth's spheres interact when the rainfall in a region increases after a volcanic eruption? Biosphere and geosphere Biosphere and hydrosphere Geosphere and cryosphere Geosphere andhydrosphere I need it for science class

Does the buckminsterfullerene conduct electricity?

If an element has 2 valence electrons, how many dots will be in the elements dot diagram?

the state of water is determined solely by the conditions of: A) volume and mass B) temperature and volume C) pressure and mass D) pressure and temperature

When a chemical reaction and its reverse are occurring at the same time and at the same rate, the reaction has achieved a. displacement. c. imbalance. b. equilibrium. d. decomposition.

A certain shade of blue has a frequency of 7.04 * 1014 Hz. What is the energy of exactly one photon of this light?