What is the mass of 4.23*10^23 atoms of iron

Identify the spectator ions in the following complete ionic equation? Ba2 + (aq) + 2I - (aq) + 2Na + (aq) + SO2-4 (aq) →BaSO4 (s) + 2I - (aq) + 2Na + (aq)

What is the equilibrium constant for the following reaction at 25°C? Mg (s) + Zn2 + (aq) = Mg2 + (aq) + Zn (s)

Sort these elements into pairs that would most likely exhibit similar chemical properties. It doesn't matter which pair goes in which box, so long as the correct elements are paired. Na, O, Ne, Se, Rb, Kr

Why would an electrician use parallel circuits to wire the lights in each room of a house instead of using a series circuit? A. When electricians get their license, they are only licensed to install parallel circuits.

How does molecular shape affect polarity?

Why can gases and liquids both transmit heat by convection? a. Their particles are free to move away from each other b. They both have a fixed volume c. They both contain charged particles d. Their particles both vibrate around fixed positions

How many atoms of oxygen, O, are in 0.0595 moles of water?

Calcium chloride contains calcium and chloride ions. write the ground-state electron configuration for the chlorine ion.

If wine that's stored in barrels after fermentation is exposed to too much air, this could turn the wine into a. yeast. b. sugar. c. water. d. vinegar.

Is it true dalton inferred that all atoms of an element are identical?