Explain the sol-gel method and explain the factors affecting it.
Q: Ice melts to form liquid water. Describe the physical change in terms of the arrangement of the…
A: Introduction:- We know that the three forms of the substance are as Solid liquid gas A…
Q: An EPA standard for microparticulates in air is limited to a maximum of 50.0 ?μg/m3. Calculate the…
A: Micro particulates in air is limited to a maximum of ρ = 50.0 μg/m3 Volume of the room V = 10.0 ft…
Q: Match The following. Fermentation Choose... Combustion Choose...
A: Fermentation - Biogas Fermentation is a chemical process by which molecules such as glucose broke…
Q: What does it mean for water to be a polar molecule?
A:
Q: All unit cell structures have six sides. Can crystals of a solid hay than six sides ? Explain your…
A: All unit cell structures have six sides. Can crystals of a solid hay than six sides ? Explain your…
Q: When wax is coated on clothes , they become water proof. Why?
A: When there is no wax, adhesive force between cloth and water molecules is stronger than the cohesive…
Q: two blocks of ice when placed together, combine to form a single piece. explain how this happens?
A: The melting point of ice:
Q: Particles of camphor move around on the surface of water. Why?
A: The surface tension of water decreases when the impurities are dissolved in it. The camphor is…
Q: you have an unmarked container of liquid. How would you determine if the liquid is an Acid, a Base,…
A: Use litmus paper If pH value is 7 = liquid is neutral pH more than 7 = liquid is basic pH less than…
Q: Does increased atmospheric pressure increase or decrease the boiling point of water? Why is this so?
A: At the boiling point, the vapor pressure equal to the atmospheric pressure. Vapor pressure of water…
Q: Direction: Fill in column B with the law that governs the picture in column A and write the…
A: 2. Here pressure of balloon is constant so it follows Charles law and it relates temperature and…
Q: What are the unusual physical properties of water ?
A: Physical properties of water :- (1) Refractive index It measures how fast light is…
Q: 11 1-............... 2- 3-- ..(with melting) ..(without melting) (curable) (Conductivity Property
A: Polymer-based composites are materials that consist of a polymer matrix reinforced with other…
Q: What are characteristics of detergent solutions?
A: Detergents, like soaps, work because they are amphiphilic: partly hydrophilic (polar) and partly…
Q: A balloon is filled with a 15% salt/ 85% water solution. Explain what will happen to the balloon if…
A: For this we need to learn about hypotonic solution and it's affect on the inner concentration.
Q: Given a hot cup of coffee, and a warm cup of coffee, which can dissolve more sugar?
A: A sugar is added into a hot cup of coffee, and a warm cup of coffee,
Q: pH value at half of end point of the titration of ( 10ml of 0.1N HAc X 0.1N NaOH ) is 4.74 if (…
A:
Q: Why do you think water and oil cannot be mixed even when beated?Support your answer.
A: Molecules of oil are chargeless and they are not polar. This is the reason oil particles are more…
Q: TRUE OR FALSE SURFACE TENSION: I. A decrease is due to the weakening of the hydrogen bonds of…
A: Surface Tension
Q: How do you mathematically derive this modified refractivity equation? M_rf = (77.6/T)*(P + 4810e/T)…
A: M_rf = (77.6/T)*(P + 4810e/T) + 0.157zWe need to mathematically derive this modified refractivity…
Q: 1. Why should the transferring of the hot metal from the beaker to the calorimeter be done quickly?…
A: 1. Why should the transferring of the hot metal from the beaker to the calorimeter be done quickly.…
Q: pitcher. What would help Albert increase the rate at which his Gatorade dissolves A. adding sugar…
A: Explanation: Stirring the mixture helps to expose more solute to solvent, thus increasing the rate…
Q: Outline the procedures used to calculate the motion of molecules in fluids and atoms in molecules.
A: Motion of molecules in fluid can be determined by stokes law. which state as: the viscus drag force…
Q: Derive the formula for the depletion force between two large particles (with a radius of ?) with a…
A:
Q: Diffusion always drives molecules from higher concentration to lower concentration. Oa. True O b.…
A: The kinetic energy of the molecules results in random motion, causing diffusion. In this random…
Q: "Entrainer" is used in which type of distillation?
A: Given: Entrainer is used in which type of distillation?
Q: Which accurately represents these building blocks of matter from the smallest to largest
A: Atoms can be described as particles that are composed of nucleus and electrons. The combination of…
Q: Kathy needs to plan an investigation to show how the properties of ice affect the formation of the…
A: Answer : Kathy is investigating on expansion upon freezing property of water .
Q: A student listed how different parts of the body work to aid in the digestion of food. Part of Body…
A: Chemical change: It is irreversible in nature. When the molecular composition of a substance is…
Q: A cafillauj fabe 014 mn in dizuate Mm in dianeti hoy ¿li teeni cend whinmeued in Ciquicl f ST. Find…
A: To find- Height of liquid column (h)=? Given- Diameter of capillary (d)=0.14 mm Radius…
Q: Why hot water bottles are used for fomentation?
A: Hot water has high specific heat capacity. Due to this, the water remains hot for a longer duration.
Q: are energy drinks conductive (please cite sources)
A: Please note citation of any source or reference is not allowed. Substances which conducts…
Q: If you boil water in a whistling kettle, the kettle whistle when the water reached its boiling…
A: In this problem it is asking about why does kettle whistle when the water reached its boiling point.
Q: Two neutral molecules
A:
Q: Define the term Avogadro’s number?
A: Given: Need to define the term Avogadro's Number.
Q: different types of pulpal stimuli such as thermal, bacterial, and electrical and how sensitivity…
A: When evaluating a restorative material, three main components should be considered: durability,…
Q: Explain the different types of thermal greases ?
A: Generally, these are broadly classified into electrically conductive and non-conductive thermal…
Q: Can we do this by tip to tail rule ? if yes pplease explain
A: Yes , we can do this by tip to tail rule. We could do this by arranging each vector to tip to tail…
Q: The surface tension of water can be increased by dissolving what in it?
A: The surface tension of water can be increased by dissolving what in it?
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