Toxcity nitroaromatic compounds and pollution water, talk about this topic in points

Q: Convert 5.552765015 mm to m^2

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Q: What, and how does some characteristics of a good student, and how does studying chemistry help…

A: everything we do is chemistry.  Starting from cooking to sleeping , all depend upon chemical…

Q: the liquid 2,3 butanedione has a density of 0.981 g/ml at 18.0 degree celcius.If a 103 gram sample…

A: The density of a substance is defined as a mass of a unit volume of the substance. The density of…

Q: Which substance will exhibit the lowest melting point? * O Substance A O Substance B O Substance D…

A: A multiple choice question based on properties of solids that is to be accomplished.

Q: when you brush it. How would you explain this? Match the words in the left column to the appropriate…

A: Applying concept of electron transfer and property of charges we can fill the blank.

Q: A length of 155 nm can also be expressed as 1.55 x 104 pm 155000 pm O 0.155 pm 1.55 x 10-6 pm

A: 1 nm = 10-9 m 1 um = 10-6 m

Q: la. Diamond, graphite, and copper have very different properties but are made of networks of atoms.…

A: Metals have a shiny surface and a high melting point.

Q: Provide the elemental symbol of the  following elements: gold, potassium, mercury, iron, platinum,…

A: An elemental symbol is a one or two-letter abbreviation for the element. If the symbol consist of…

Q: Summarize the key concepts of chemistry

A: Chemistry tells about the concept of matter and substances which made up the matter. It tells us…

Q: An electric current of 0.650 A flows for 50.0 seconds. Calculate the amount of electric charge…

A: Given that, Current i=0.650 A time t= 50.0 seconds charge q= ?

Q: write a one-sentence definition for each of the following chemistry and chemical

A: Chemistry is a branch of science that concerned with the substances of which matter is composed,…

Q: Which substance CANNOT decolorize bromine water? Substance A Substance B O Substance C O Substance D

A: Organic chemistry is branch of chemistry in which organic reactant react to form organic products.

Q: hat does novel mean in a chemistry?

A: This answer provides a definition of the term "novel" in the context of chemistry. It explains that…

Q: How do I know the number of significant figures if the decimal notation is 8,725 km and the scientic…

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Q: How can you determine the presence of the following in a solution by stating which of the following…

A: Since you have posted multiple questions, and have not specified which question you want us to…

Q: what would be the diameter of a single hair strand has a density of 1.28 g/cm3, mass of 0.30 mg, and…

A: Given: Mass of hair = 0.30 mg = 0.0003 g                                          (Since 1 g = 1000…

Q: Explain the main goal of chemistry

A: Chemistry is the science that investigates the properties of matter by examining the atoms and…

Q: What is the difference between precision and accuracy in analytical chemistry? Give an example from…

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Q: Which substances can react with potassium borohydride, converting the product into alkene alcohol…

A: Potassium borohydride is very much effective for the reduction of aldehydes and ketones. And it is…

Q: What are the Safety Measures/ Precautions in the Science laboratory and classroom while doing a…

A: Science can be defined as the application of knowledge of natural  world using a  methodology which…

Q: Substance Physical Appearance Fe

A: Fe is the symbol of Iron element. Its atomic number is 26 in periodic table. It is a metal that…

Q: A student measured the volume of an object 5 times and got the following results. What is the…

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