A star is born whenever a nebula expands ... True Or False?

A student performs a dehydration experiment and starts with 6.79 grams of hydrate. After heating the hydrate and allowing it to cool, the student weighs the anhydrous salt. The mass of the resulting anhydrous salt is 3.17 grams.

How many moles of hydrogen molecules (h2) would be required to produce two moles of hydrogen peroxide (h2o2) ?

What do neurons generate and transmit?

Mintu wants to increase the heat transfer between a metal iron and another piece of metal he wants to shape.

What is the osmotic pressure of a 100 ml of toluene solution that contains a total of 0.005 moles of a polymer dissolved in it at 25°c? give your answer in atm?

When a volcanic irruption adds new rock to existing land and forms new islands is it considered destructive?

How many neutrons are in Cesium-130 (Cs) ? 55 75 130 185

An atom in a pure metal that's face-centered cubic has ___ neighbor atoms.

Rank the following bonds from strongest to weakest and provide the bond energy: the bond between hydrogen and oxygen in a water molecule; the bond between sodium and chloride in the NaCl molecule; the bond between atoms in a metal;

In an endothermic reaction do the reactants or the products have the lower potential energy