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Elements and Compounds

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Solon Zboncak

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Cards in this guide (9)
What is the effect of NaCl and CaCl2 on the boiling point of water

The water with solved ions has greater boiling point. The dissolved salts increase the boiling point of water.

Who boiling first water with NaCl or whithout NaCl

Water without NaCl.

What mass of NaCl would have to be dissolved in 1.000 kg of water to raise the boiling point by 2.00 degrees Celsius

114.14g NaCl

Is fluorine a monatomic gas at STP

No, fluorine is a diatomic gas at STP.

What best describes how a compound naturally occurs

The molecular formula

What is the molality of a solution that has 6 mol of CaCl2 in 3 kg of water

2 m

If the reactants of a reaction have one S and four O atoms what will the products have

The products will also have one atom of S (silicon) and four of O (oxygen) because the number of atoms is not changed, only their chemical combinations.

What molecule can form hydrogen bonds with others like it

nh3

Balance H2 plus N2 equals NH3

Balance H2 plus N2 equals NH3

3H2 + N2 ----> 2NH3

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