A balloon filled with helium has a volume of 45.6 L at 279 K. What volume will the balloon occupy at 247 K?

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Q: 2CH3CH₂ + Pb2+. SH

A: Thioalcohols react with heavy metals like Pb2+ to form insoluble compounds.

Q: HO

A: The given compound is :

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Q: Please help me and show me how to fill in this table? Thank you in advance!

A: Given data: Moles of NaOH = 0.040 mol, Moles of C6H5NH3Cl = 0.100 mol, Concentration of C6H5NH2 =…

Q: 38 Answer: 39 יווכד

A: We have to read at the bottom of the curve as this is the concave meniscus.

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A: Chiral carbon or chiral center :- A carbon atom which is bonded to four different atoms or groups is…

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Q: 2-Varied types of aromatic chemicals are present in different amounts in crude oils from diverse…

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Q: What is the IUPAC name for the following alkane? CH3 CH3 CH₂-C-CH₂-CH-CH₂ CH₂

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Q: Br₂ На о

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A: The six major categories of that may be present in foods are needed to be discussed and the methods…

Q: Please answer the question in the photos.

A: For the given reaction, C3H8  + 5O2  → 3CO2  + 4H2O

Q: which are the main ingredients in certain pesticides and “nerve gases”

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Q: Draw cl2 at -40 temperature

A: We will draw the structure of Cl2 molecule at -40 temperature .

Q: uestion: Calculate the percent of sodium ypochlorite in the original bleach bottle using pur average…

A: The question is based on quantitative analysis. we have to calculate percentage sodium hypochloride…

Q: What is the structural difference between a grease and a wax?

A: Grease is a semi solid substance which is formed by dispersing thickening agent into the liquid.…

Q: Please answer the srcond question

A: Given reactant in the second reaction is a derivative of norbornene compound.  It carry double bond,…

Q: Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product…

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Q: Answer choices  33.3% H  60.0% H 33.3% C 40.0% C 53.3%  O 60.0% O 68.2% C 33.3% O 7.0% H

A: Combustion reaction of unknown compound  CxHyOz + O2 ...> CO2 + H2O  Total Mass of substance =…

Q: properties of a cream

A: Cream: It is semisolid drug substance which is dissolved in suitable base. Cream is the semisolid…

Q: The IUPAC name of

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Q: HCI ZnCl

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Q: CH, AIC13

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Q: In a 0.73 mM aqueous solution of trimethylacetic acid (C₂H,CO₂H), what is the percentage of…

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Q: Use any spectroscopic method to attain qualitative and quantitative information on adulterated palm…

A: The adulteration of palm oil with many fat soluble azo dyes that are difficult to separate from the…

Q: Why does contamination present a risk to food safety?

A: The diseases that are Foodborne lead not only to illnesses but are also toxic and infectious and is…

Q: Weekend sheet (6) Complete the following: gas and other gases represents 1 % of the air volum I-…

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Q: 9- Organic chloride compounds can also be found in crude oil and are eliminated. False True

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Q: resistance management should start before resistance happens. true

A: The substances that are used for controlling pests are known as pesticides.

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A: The objective of the question is to understand the importance of monitoring therapeutic drugs,…

Q: Which of the following objects is superposable with its mirror image? * Hand Conical flask Screw…

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Q: он NaOH v oH

A: Aldehyde compound in the presence of base, show aldol reaction. In this reaction, one molecule of…