A carbon dioxide fire extinguisher is the best choice if an electric clothes dryer is on fire. Why would a water extinguisher not be stable for the clothes dryer fire?

How many moles of MgCl2 are there in 307 g of the compound?

A certain gas occupies a volume of 26 L when the a plied pressure is 5.7 atm. Find the pressure in the system when the gas is compressed to a volume of 6.5 L at constant temperature.

How is it possible to predict the type of bond that is likely to be found in a substance? what types of atoms generally form ionic or covalent bonds? how can electronegativities be used to determine the type of bond?

Hexane (C 6 H 14) and water do not form a solution. Which statementexplains this phenomenon? (1) Hexane is polar and water is nonpolar. (2) Hexane is ionic and water is polar. (3) Hexane is nonpolar and water is polar.

An aqueous solution that contains 285 ppm of potassium nitrate 1KNO32 is being used to feed plants in a garden. What volume of this solution is needed to prepare 2.0 L of a solution that is 75 ppm in KNO3

Why don't noble gases normally form chemical bonds?

Using the equation MgCl2 - > Mg + Cl2, if 5.00 grams of MgCl2 is given, how many grams of Mg is produced?

Increasing the concentration of a reactant speeds up a reaction. True False

When this element was discovered, it exhibited luster and malleability, and it reacted very vigorously with water. This element is never found as a free element in nature and always exists in a compound.

What group in the periodic table contains only metals