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Braun had been making videos, mainly tutorials, for fun since his teenage years, creating a YouTube channel on March 10, 2014. His first video was uploaded on March 24, 2014, and many of his early videos were recordings of his projects as a laboratory technician or at his parents' garage, with them later being filmed at his industrial-grade laboratory. [3]
C 7 H 3 Br 2 NO: bromoxynil: 1689-84-5 C 7 H 4 ClFO 2-chloro-6-fluorobenzaldehyde: 387-45-1 C 7 H 4 ClNO 2: chloroxazone: 95-25-0 C 7 H 4 CrO 3 S: thiophene chromium tricarbonyl: 12078-15-8 C 7 H 4 CrO 3 Se: selenophene chromium tricarbonyl: 12078-16-9 C 7 H 4 CrO 3 Te: tellurophene chromium tricarbonyl: 39015-36-6 C 7 H 4 MnNO 3: azacymantrene ...
Polyquaternium-7 is applied in waste treatment for laundry, emulsion breaking, sludge dewatering and drainage and retention aid. It is a cationic polyelectrolyte. [3] Polyquaternium-7 is used as modifier, for example in shampoo, hair conditioner, hair spray, mousse, soap, gel, styling agent, shaving product, deodorant and antiperspirant. [4]
Like most azobenzenes, Solvent Yellow 7 can be synthesized by the reaction of the phenyldiazonium salt with phenol.The optimal pH value for this azo coupling is 8.5-10. The reaction is carried out in water, since sodium chloride (or potassium chloride) formed in the reaction is soluble in water, while the product precipitates.
A chemical database is a database specifically designed to store chemical information. This information is about chemical and crystal structures , spectra, reactions and syntheses, and thermophysical data.
Chemical classification systems attempt to classify elements or compounds according to certain chemical functional or structural properties. Whereas the structural properties are largely intrinsic, functional properties and the derived classifications depend to a certain degree on the type of chemical interaction partners on which the function is exerted.
Chemistry education (or chemical education) is the study of teaching and learning chemistry. It is one subset of STEM education or discipline-based education research (DBER). [ 1 ] Topics in chemistry education include understanding how students learn chemistry and determining the most efficient methods to teach chemistry.
Sabrina Marie Cruz (born April 22, 1998 [2]) is a Canadian YouTuber best known for her educational YouTube videos on her main channel, Answer in Progress, formerly known as NerdyAndQuirky, which she launched on January 6, 2012. [3] As of November 2024, the channel has 1.6 million subscribers and 95.7 million views.