Question for each of the following life cycle analysis (LCA), state two useful functional units that could be used. a) residential solar panels used for over 15 years b) A cradle-grave vomparison of the use of Li ion battery vs hydrogen fuel cells in electric vehicles c) The use of supercritical CO2 vs an ionic liquid in the synthesis of a drug

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A: Exploring the metabolic processes of the human body raises the subject of the use of acetone and…

Q: K Maya Paniagua - RC Ch 10 HW.p X E The State of Nature & the Social The School District of Palm…

A:

Q: Chemistry . What are the limitations that Forensic investigators face.

A: Forensic investigation face some limitations in their investments.

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A: Generally substances or materials are devided as natural and synthetic.  Natural materials are those…

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A: These concepts molecular weights are related to polymers. And used to measure respective molecular…

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A: In the process of sublimation of the naphthalene and sand mixture, the compound that become residue…

Q: solid disappears.

A: According to the given data the solid is soluble in liquid and we have to separate the two.There are…

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A: Global warming is the condition in which the temperature of the earth keeps on increasing due to the…

Q: = a homogenous mixture s be made of liquid com

A: (7) What is a pure substance that is only made of the type of atom –  (A) Element → Element is a…

Q: classify to be solid, liquid or gas     Particles are close together but are not held rigidly…

A: To identify whether the given statement represents solid, liquid or gas.

Q: Is it physically possible to separate table salt, sodium chloride, NaCl (a white soiled that is…

A: Yes,it is possible to separate sugar and salt using physical methods .

Q: What type of distillation set up is in the picture? dang fsk recelving fak

A: Distillation is a the process of separation of liquids on the basis of their boiling points.…

Q: write T if underlined word iscorrect, write the correct answer if false   1. Graphene can be found…

A: The periodic table is defined as arrangement of the chemical elements in the form of a table. It has…

Q: Two samples have the exact same melting points. Are they the same compound? How could you tell for…

A: Given that  The two samples have the same melting point.

Q: Fill out the following table using the KingDraw Application. Create the structures given, whether it…

A: To write the Chemical name and draw the structure for the given Chemical Formula.

Q: what are the current distillation technologies used for ethanol and water in the industry?

A: Microbubble Distillation for Ethanol-Water Separation Distillation technique iso ne of the oldest…

Q: It is a type of mixture with particles evenly scattered in a dispersed medium without settling down

A: Mixture is the  combination of  two substance.  There are  two types- 1) Homogeneous  mixture.  2)…

Q: IN 300 WORDS EXPLAIN AND DIFFERENTIATE COMPOUND, ATOMS, ELEMENTS AND MOLECULES. GIVE EXAMPLES FOR…

A: Given : Compounds, Atoms, Elements and molecules To find: Explain and differentiate properly…

Q: Historically, toxicology testing has been focused on one chemical at a time, yet we are rarely…

A: Toxicology is the study of the harmful effects of chemical, physical, and biological agents on…

Q: What methods are used to detect the release or presence of hazardous chemicals? a)  Odor, visual…

A: Correct option is  (c.) That is Air monitoring, housekeeping, odor    Incorrect options are : a)…

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A: In multiple questions we solve only one question according to Bartleby Guidelines. The substance can…

Q: Which of the following is incorrect: Assay is the process of determining how much of a given sample…

A: We will choose the incorrect answer from the following statement.

Q: how does sugar smell, what color is sugar, what phase (solid, liquid, or gas) does sugar occur in,…

A: Pure sugar (chemical name - sucrose ) does not have any smell.Only those substances that are…

Q: What is the fundamental difference between a mixture of elements and a compound? elements in a…

A: An element is made up of same kind of atoms whereas a compound can be formed of two or more kind of…

Q: When is sieving and fractional distillation a good method for separating mixtures? Cite an example.

A: Sieving- It is a technique for separating particles of different sizes by using a sieve. For…

Q: A chemist working as a safety inspector finds an unmarked bottle in a lab cabinet. A note on the…

A: Given,  Volume of liquid (V)=0.741L Mass of liquid (M)= 523g And density of liquid =M÷V

Q: Given the picture below. Answer the following questions. 1. What determines the state of a material?…

A: Applying basics of matterial which take place formation of matters.

Q: A heterogeneous mixture Is the one which O has one phase O has a uniform composition throughout O…

A: The question is based on the concept of solutions . We have to identify which of the given…

Q: explain how decantation, filtration, and evaporation are done as a separation process

A: Decantation:  It is the process by which we can separate mixtures of two immiscible liquids.…

Q: Determine mass of cube. Record mass in Lab Data.

A: Based on the picture, we can see that the mass of a cube is 0.92 g. It is assumed here that before…

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Q: Glassware/Tool Do’s Donts 1. Stirring Rod     2. Glass Funnel     3. Wire Mesh     4. Mortar and…

A: Glassware refers to laboratory equipment made of glass, typically used in scientific experiments,…

Q: #13-15 Choose the letter of the correct answer.

A: multiple Choice Question.,

Q: Classify each phase based on whether it describes a solid, liquid, or gas. Solid Liquid Gas definite…

A: there are  generally three states of matter solid, liquid and gases, having different physical and…

Q: Match each substance with the correct categorization. Consider a cup or handful size sample of the…

A: Here we have to identify whether the following given matter are element, compounds , homogeneous…

Q: Complete the following statements. The provided aqueous KI/I2 was a:                  pure…

A: In a homogeneous mixture, the components completely mix with each other and the composition is…

Q: Greenwashing is a major problem. Companies will say they are using practices that benefit the…

A: The case deals with Sustainability and Greenwashing in advertising. In general, Sustainability…

Q: SAMPLE OF MATTER Series 7. GASES ет2 Chlorine B02 bromine (vapor over liquid) nitrogen dioxide N₂…

A: Basic unit of -  1. metals and noble gases is atom. 2. gases is molecule 3. Ionic compounds is…

Q: CI Mg

A: Haloalkanes (R-Cl) react with Magnesium metal to form polar Grignard reagents (R-MgCl) which then…

Q: According to the kinetic-molecular theory, gas molecules have     little distance between…

A: According to the kinetic-molecular theory, gas molecules have weak interactions between molecules.…

Q: A chemist working as a safety inspector finds an unmarked bottle in a lab cabinet. A note on the…

A: Density of a liquid is the ratio of mass to the volume of the liquid  Density= mass/ volume

Q: What do these two tests indicate about the unknown molecule?

A: The given two graph is for NMR spectrum of the unknown molecules. NMR spectrum provides many…

Q: Characteristics of a substance that can be separated from a mixture through steam distillation

A: Steam distillation is a distillation or separation process in which steam is generated by distilling…