How many atoms are in 35.1 g of sodium chloride (NaCl) ?

What is cement used for

A geochemist in the field takes a small sample of the crystals of mineral compound X from a rock pool lined with more crystals of X. He notes the temperature of the pool, 26.° C, and caps the sample carefully.

Ashley walks 800 meters along a straight northerly path to school. Upon reaching the school building, she realizes she forgot her lunch and runs home (along the same path) to get it.

What corresponds to a pressure of 1.23atm

5. What do you think earth would be like if the continental drift never took place?

A mountain is a example of solid?

Explain, in terms of electrons, why the radius of a calcium ion is smaller than the radius of a calcium atom.

The silkworm feeds on what

For the reaction? Fe+? H2o ⇀↽? Fe3o4+? H2, a maximum of how many grams of fe3o4 could be formed from 354 g of fe and 839 g of h2o? Answer in units of g

Quicklime (CaO) is produced by the thermal decomposition of calcium carbonate (CaCO3). Calculate the volume of CO2 at STP produced from the decomposition of 152 g CaCO3 by the reaction. CaCO3 - > CaO + CO2