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Mark Kistler's Imagination Station is a public television series where artist Mark Kistler taught children and adults to draw using techniques such as perspective and shading. The program was originally presented by TV station KIXE in the Redding and Chico areas of the U.S. state of California .
In general, only the initiation step differs from that of the ordinary thermal polymerization of the same monomer; subsequent propagation, termination, and chain-transfer steps are unchanged. [6] In step-growth photopolymerization, absorption of light triggers an addition (or condensation) reaction between two comonomers that do not react ...
Condensation is the change of the state of matter from the gas phase into the liquid phase, and is the reverse of vaporization. The word most often refers to the water cycle . [ 1 ] It can also be defined as the change in the state of water vapor to liquid water when in contact with a liquid or solid surface or cloud condensation nuclei within ...
The kinetics and rates of step-growth polymerization can be described using a polyesterification mechanism. The simple esterification is an acid-catalyzed process in which protonation of the acid is followed by interaction with the alcohol to produce an ester and water. However, there are a few assumptions needed with this kinetic model.
Then the partial pressure of its vapor must be considered when obtaining its condensation temperature. For example, if the gas entering the condenser is a mixture of 25% ethanol vapor and 75% carbon dioxide (by moles) at 100 kPa (typical atmospheric pressure), the condensation surface must be kept below 48 °C, the boiling point of ethanol at ...
The addition of a copper "boiling ball" in the path creates an area where expansion of gasses into the ball causes cooling and subsequent condensation and reflux. In a column still, the addition of inert materials in the column (e.g., packing) creates surfaces for early condensation and leads to increased reflux. [citation needed]
Directly mixed on the drawing surface, watercolor causes the ballpoint ink to bleed, creating additional effects. [3] Pentel R.S.V.P. ballpoint pen series, which includes pink and purple inks. Using ballpoint pens to create artwork poses various concerns for the artist.
Crushed Coca Cola's aluminum can. Collapsing can or can crusher experiment is a demonstration of an aluminum can being crushed by atmospheric pressure.Due to the low pressure inside a can as compared to the pressure outside, the pressure outside exerts a force on the can causing the can to collapse.