Whenever you have equal volumes of gases at the same temperature and pressure, the volume must

Term used to denote the technology of treating a mined ore to obtain a product higher on concentration of a wanted mineral from the unwanted rock mass in which it occurs.

If a more active element replaces a less active one in a compound, the reaction is:

It refers to matter that do not have definite form or structure

What kind of chemical bond will form in binary compounds where the electronegativity difference between atoms is greater than 2.0

It is a borosilicate glass with a very low coefficient of thermal expansion, hence, it's wide for cooking and serving utensils

These are compounds containing water molecules loosely bound to the other components

It is a product of the weathering of complex silicates, particularly of feldspars which are abundant minerals

An instrument that separates particles of different isotopic composition and measure their individual relative masses

What is the mass in kilograms of 10.5 gal (39.7 L) of gasoline with a specific gravity of 0.82

An example of a ternary compound is

The amount of energy needed to change a given mass of ice to water at constant temperature is called the heat of

Compounds which contain only carbon and hydrogen are called

A homogenous mixture can be separated by all of the following methods except

The energy possessed by a substance that allows it to be changed into a new substance

When the same elements can form two different two compounds, the ratio of masses of one of the elements in the two compounds is a small whole number relative to a given mass of the other element. This is known as:

2. Which of the following describes a chemical change?

A device used to measure density

Which of the following does not change with change in temperature?

A laboratory experiment was performed to determine the percent by mass of water in a hydrate. The accepted value is 36.0% water whose observed value has an error of 5.00%. Find the percent by mass of water