Which of the following varnishes is oxidizing in nature? a. Air-drying b. Polymerizing c. Heat-reactive baking d. Solventless
Q: Explain why the following materials are used for the given application: PVC (polyvinyl chloride) for…
A: Solution: to explain the distingushed uses for the specific material
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Q: In nanotechnology, the adsorption is used for: a. Serving as nano-pores in membranes for water…
A: Hey, since there are multiple questions posted, we will answer first question. If you want any…
Q: A substance is undergoing a phase change from gas to solid. This phase change is known as...........…
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Q: Bread is a good source of carbohydrates. Bakers use yeast to leaven the bread. Explain why the bread…
A: When yeast is added it begins to feed on sugars in flour and releases the carbon dioxide that makes…
Q: Differentiate between grains and grain boundary in terms of following a. Energy level b.…
A: A grain is a bunch of crystals arranged in the same direction when small crystals growth they can…
Q: The aroma and exact percentage of each natural constituent contained in a particular pure,…
A: In this question we have to answer how the aroma and exact percentage of each natural constituent…
Q: What would happen if the temperature of the water changed?
A: Temperature of a substance during its phase change remains constant. Hence when water boils, the…
Q: Nitrogen-16 has a half-life of 7.2 s. How much of a 320 g sample is left after 11 s?
A: Nitrogen-16 has a half life Sample value Time t=11 s
Q: Which solute when dissolved in water would be the best conductor of electricity? A. CCl4 B. NO C.…
A: For a solute to become a best conductor of electricity, it should readily form ions when dissolved…
Q: Explain the construction and operation of floating cylinder biogas plants.
A: Construction of floating cylinder biogas plants: Floating drum plant in Mauretania Om 1956, Jashu…
Q: Which law of physics states "Chemical energy is a form of potential energy stored within chemical…
A: Ans :C) Law of energy conservation The law of conservation of energy states that energy can neither…
Q: 3- Which of the following is not a source of biomass energy? a. Aquatic plants b. Animal waste…
A: Which of the following is not a source of biomass energy? OPTIONS: a. Aquatic plants. b. Animal…
Q: Q2. Compare between: 1. Metals and Ceramics 2. Thermoplastic and Thermoset 3. Elastic deformation…
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Q: 75. The name of C6H13OH is A. heptonol B. hexanol C. hexyl D. heptyl alcohol E.…
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Q: What is the change in temperature of 2.2 kg of the following substances if 8.5 x 10^3 J of thermal…
A: Mass of substance, m=2.2 kg Heart added =8.5 x103 J Required : Specific heat of a) Methanol is 2530…
Q: The triple point in the PVT diagram for pure substances is a. The top of the dome for the…
A: It is asked to choose the correct option for the triple point in the PVT diagram for pure substance.
Q: Explain the sol-gel method and explain the factors affecting it.
A: Here we have tried to explain sol- gel method.
Q: . Al2 (SO3)3
A: This is the question from chemistry. As compound name is Aluminium Sulphite,it has Aluminium and…
Q: Macmillan Consider the solubilities of a particular solute at two different temperatures. Solubility…
A: Given: The given solubilities of a particular solute at two different temperatures, Temperature(°C)=…
Q: V2. What are the typical polymer used in making intraocular lenses and hip implants? What are the…
A: Solution:- PMMA also known as polymethyl methacrylate is a widely used…
Q: 11. State the three laws of thermodynamics. a. First Law b. Second Law C. Third Law
A: Thermodynamics is the engaging field in which detailed energy movements take place, displaying the…
Q: gine. Starting at the same maximum operating temperature, which would be more
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Q: 1. Consider the following reaction: 2Al+6Hbr 2 AlBr,+3H₂ a. When 3.22 moles of Al react with 4.96…
A: Limiting reactant is the one which limits the reaction from continuing. In a chemical reaction…
Q: 1. How much heat is required to change the temperature of lead from 15°c to 65°c?
A: The specific heat capacity of lead is 0.129 J/goC. The heat required to rise the temperature from…
Q: 1. Calculate how much energy (kJ) is required to heat a liter of water from 30°C to saturated liquid…
A: Given: Mass of the liquid, m = 1 liter = 1000 m3 Temperature, T1 = 30 oC = 303 K Specific heat of…
Q: 1) What are the concentration of desflurane (vp 669 mmHg ) and isoflurane (vp 240 mmHig) if the…
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Q: 4. How must nuclear waste that is considered high-level waste be stored? A.sealed away from living…
A: Generally nuclear waste is stored in the facility where it was produced
Q: 1. What is the pH of a solution prepared by mixing 80 ml of 0.1M NaH2PO4 and 100 ml of 0.1 M…
A: NaH2PO4 = weak acid = A =(80/1000)x0.1= 0.008 moles Na2HPO4 = conjugate base = B =…
Q: What are the special characteristics of materials listed below? Materials Characteristics 1.…
A: Solution: Below given in the table are the characteristics of the materials: Materials…
Q: 8. In a mixture of weak acid and its salt, the ratio of the concentration of acid to salt is…
A: Solution: As per the given statement, We know that, PH=PKa+logbase/acid
Q: 5. Why do you think different substances heat up and cool down at different rates?
A: Consider the mass of the substance is m and the increase or decrease in the temperature is ΔT.
Q: 5. Calculate (to the nearest 0.1 u) the formula mass of these compounds (if your answer is 47 then…
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Q: what would be the molecular formula of the compound? 0.37 of the compound gave 0.638 of AgBr. If VD…
A: The atomic mass of Carbon is 12 u. The atomic mass of Hydrogen is 1 u. The atomic mass of Oxygen…
Q: d. True/False: you can compare any two Ksp values for any salts to know which is more soluble in…
A: Given : To find whether True/False and Justify
Q: Dehumidification is a process which involves .. water vapor per Kilogram of dry air Select one: a.…
A: Dehumidification process: Dehumidification is the process in which the humidity or moisture or water…
Q: Which is NOT a pure substance? 1. air 2. sucrose 3. copper wire 4. helium
A:
Q: n a few sentences, relate the amounts of energy needed to heat the cold and hot water with the…
A: In this question we have to relate the amount of energy needed to heat the cold and hot water.…
Q: Which of the following substances decreases in density when it freezes from a liquid to a solid? a.…
A:
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