what is the chemical structure of crude oil

Best answer Crude oil is a complex mixture of different hydrocarbons that are composed ofhydrogen and oxygen molecules. These two elements make up ~95% of crude...

how does chemical vapor deposition work

Best answer ChemicalVapor Deposition (CVD) is a process in which the substrate is exposed to one or more volatile precursors,which react and/or decompose on the substrate...

what is chemical weathering caused by

Best answer Water dissolves minerals in a rock People also ask What is chemical weathering? Chemical weathering, also known as decomposition or decay, is the breakdown of rock by...

how to know if sunscreen is chemical or physical

Best answer Reading the ingredients People also ask What is the difference between physical and chemical sunscreens? Whereas physical sunscreens sit on top of the skin and block rays...

is a compound chemically combined

Best answer 鏄?/div>鏍规嵁 4 涓潵婧?/li> People also ask How do you define a compound? Define Compound A compound is a pure substance that is composed of atoms of two...

how much do chemical engineers make per hour

Best answer $40.89 People also ask How much does a chemical engineer make a year in California? The average wage was $147,720 per year, or $71.02 per hour. This...

is it normal to get pimples after a chemical peel

Best answer 鏄?/div>鏍规嵁 4 涓潵婧?/li> People also ask Is it normal to have itchy bumps after a chemical peel? It is very possible to have nonspecific, red, itchy papules...

what is the best chemical to kill termites

Best answer Hexaflumuron People also ask What is the best insecticide to kill termites? 1 Arsenic Dust. Also known as arsenic trioxide, this deadly poison has proven to be...