The amount of water that would absorb the same amount of heat as the calorimeter per degree temperature increase.
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Use of diamonds
Diamond is a crystalline modification of pure carbon formed in the deep interior of the Earth, in the upper mantle at depths of more than 80-100 kilometers, at exceptionally high pressure and temperature. It is the most precious stone, the hardest and most wear-resistant mineral, the most...
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Diamonds Are Forever
Diamonds are still a girl's best friend, right? We love the shiny gems. They are the most popular rocks sold today. But what exactly are they, anyway? Where do they come from? What else are they used for?
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The most expensive metal in the world
Do you think the most expensive metal is gold? No! On earth there are more valuable metals. But we need to divide the value of metals that occur in nature, and metals - isotopes, which are obtained in special laboratories. Let’s look at natural metals first.
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Interesting facts about metals
Metals have been used by people since ancient times. All the time the process of obtaining them was improved, useful alloys of various metals appeared. Let’s look at interesting facts about metals.
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What are Compound Microscopes?
Most of the microscopes used today are compound. A compound microscope features two or more lenses. A hollow cylinder called the tube connects the two lenses. The top lens, the one people look through, is called the eyepiece. The bottom lens is known as the objective lens. Below the two lenses is...
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Dispersing Medium
The solvent-like phase in a colloid.
Standard Entropy
The absolute entropy of a substance in its standard state at 298 K.
Buret
A piece of volumetric glassware, usually graduated in 0.1-mL intervals, that is used to deliver solutions to be used in titrations in a quantitative (dropwise) manner.
Standard Molar Volume
The volume occupied by one mole of an ideal gas under standard conditions, 22.4liters.
Activity Series
A listing of metals (and hydrogen) in order of decreasing activity.
Theoretical Yield
Maximum amount of a specified product that could be obtained from specified amounts of reactants, assuming complete consumption of limiting reactant according to only one reaction and complete recovery of product.
Percentage Ionization
The percentage of the weak electrolyte that ionizes in a solution of given concentration.
Unsaturated Hydrocarbons
Hydrocarbons that contain double or triple carbon-carbon bonds.
Rate-determining Step
The slowest step in a mechanism, the step that determines the overall rate of reaction.
Reversible Reaction
Reactions that do not go to completion and occur in both the forward and reverse direction.
