When a solid is changed to a liquid state, the solid

Q: نقطة واحدة Electrical conductivity of .Ceramics is low because they have a wide electron bands. the…

A: Required : Why is the electrical conductivity of ceramic low ..

Q: The karat is a dimensionless unit that is used to indicate the proportion of gold in a…

A: Given data- One karat gold contains a weight of pure gold that is one part in twenty four(24).  So…

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: Consult Table 1 and rank the densities of the following materials from greatest to least: a. Liquid…

A:

Q: A substance is undergoing a phase change from gas to solid. This phase change is known as...........…

A:

Q: You put 100g of silicon (with specific heat csil = 703J/kg · K) at 100oC into 100g of water at 20oC.…

A:

Q: A metal is heated up to a temperature°C. It is then exposed to a temperature of 38°C. After 2…

A: Given that:- T0=Surrounding temperature=380 CTi=Initial temperature of the bodyk=constantT=Temp. at…

Q: 7. Which of the follow a. Silver b. Titanium c. Plastic Bottle d. Wood 8. Which of the follow a.…

A:

Q: An object with a Density of 0.4 kg/L, has a volume of 1 inch^3 find the mass in g

A: Answer:-  Given  Density (p) = 0.4 kg/L  p = (0.4 × 1000000) g/m3  p = 400000 g/m3 = 4 × 105 g/m3…

Q: The diagram shows a measuring cylinder containing a liquid, and that same measuring cylinder when it…

A: Mass of empty container,  Mass of container with liquid,m2=190 g Volume of liquid, V=30 cm3

Q: Anisotropy in a metal, causes a defect in which manufacturing Fluid applies force in which process…

A: Anisotropy: Anisotropy is a phenomenon due to which the properties of material changes based on the…

Q: The rate of heat flow in a solid plate depends on geometry of plate, temperature distribution and…

A: Rate of heat flow in a solid plate is depends upon the thermal conductivity, area and temperature…

Q: In the figure below, the actual mass of a piece of an alloy is 85 g (mass in air) and an apparent…

A: mass of an alloy in air (m) = 85 g apparent mass of alloy in water = 73 g

Q: of aluminum part is 1.2 m and of the C0 part is 2.5 m. Aluminum Copper La 1:f it ie

A: Given data as per question radius of rod = 0.178cm length of copper part = 2.5cm length of aluminum…

Q: One component of a metal sculpture consists of a solid cube with an edge of length 0.203 m. The…

A: Given data :             Side length of cube, L = 0.203 m             Density of the material , ρ =…

Q: A substance undergoes a phase change of melting. During melting ,Tempertaure  ......choose one…

A: During melting process, energy of the substance goes exclusively to change the phase of a substance,…

Q: A jewelry designer is creating gold charms. To make the charms, he must melt gold to fill molds. How…

A: mass of gold (m) = 3 kg Specific heat of gold = 129 Jkg.oCRoom temperature = 25o C Melting point of…

Q: A traditional lampshade is a truncated cone, or frustum. It is a cone that is missing the pointed…

A: We know that : Volume of a cone is expressed as : V = π r² h / 3 where  r = radius of cone…

Q: A piece of solid iron sinks in a container of molten iron. A piece of solid aluminum sinks in a…

A:

Q: what is the difference at the molecular level between candy that is amorphous and candy that is made…

A: Solution: Given that to differenciate at the molecular level between candy that is amorphous and…

Q: which option describes a solid with a highly organized set of particles?

A: We are asked which  option describes a solid with a highly organized set of particles: The answer…

Q: The latent heat of evaporation is the amount of energy required to convert one gram of a substance:…

A: Latent heat of evaporation It is also known as the physical properties of the matter. It applies to…

Q: A bi-metallic strip is a strip with two pieces of: metal that expand the same amount when heated.…

A: Bi-metallic strip is the device that is used to convert temperature change into mechanical work.

Q: To produce alloy metals, the components are heated to a molten state, mixed, and then cooled. The…

A: When we look around us, we see lots of changes happening in our day-to-day life. When we leave a…

Q: A 9.75-kg sample of an unknown material requires 6.14 x 105 J of heat to change from a solid to a…

A: Given : m = 9.75 kg Q = 6.14 x 105 J

Q: The volume of a rectangular prism is 1.4 m^3. Its coefficient of linear expansion is a…

A: Given: The volume of the rectangular prism is 1.4 m3. The coefficient of linear expansion is 50×10-6…

Q: A container can be made from steel [β = 36 × 10-6 (C°)^-1] or lead [β = 87 × 10-6 (C°)^-1] . A…

A: To keep the overflow to a minimum the volume of container should be maximum and volume of liquid…

Q: The one of the disadvantages of isotropic etching over anisotropic etching is isotropic etching is a…

A: Introduction: Isotropic etching: Isotropic wet etching is used to etch a masking layer of silicon…

Q: These are the characteristics of _____ solids.

A: There can be metallic solids, Van der Waals solids, Ionic solids, and Covalent solids.

Q: when solid melts it _____. A. gain heat and its temperature decreases B. gains heat and its…

A: gaining of heat to the substance makes solid melts so option c was wrong  temperature decrease is…

Q: Melting butter is a physical change. Which best describes with is happening? The butter changes into…

A:

Q: What is eqavilent to 8.0(1m=100)

A: We have, 1 m = 100 cm

Q: Which solid has more volume recall density=mass/volume, so volume=mass/density a) A kilogram (kg) of…

A: Volume = mass/density  because everyone have same mass so volume is inversely proportional to…

Q: Glass is made of which material? A) Calcium carbonate B) Sand C) Silver Iodide D) Lime

A: Introduction: Glass is a transparent noncrystalline solid material which made up of sand, soda,…

Q: A solid silver piece is immersed in water contained in a measuring cylinder. The level of water…

A:

Q: An increase in temperature of the water may cause other changes. An increase in surface water…

A: Rate of evaporation

Q: One rod is made from lead and another from quartz. The rods are heated and experience the same…

A:

Q: Condensation occurs when: Oa solid changes to a liquid. O a gas changes to a solid . Oa liquid…

A:

Q: The process of transfer of heat in solids is.

A: Here, we will understand the meaning of all given options to find the answer -  (a). Insulation -…

Q: is an example of a semiconduct material O a. gold O b. silver c. silicon O d. carbon

A: Silicon is an example of semiconductor material. Silicon has 4 valence electrons which gets shared…

Q: Acrylic bur is made from Titanium Gold Stainless steal Stone

A: Acrylic burs are made from stainless steel of good quality.

Q: One component of a metal sculpture consists of a solid cube with an edge of length 36.9 cm. The…

A:

Q: Matter is all around you. You breath matter, sit on it, and drink it everyday. What words would you…

A: As we look around in our sorroundings we see varoety of things different shapes sizes and…

Q: ___________ glass gains added strength from a layer ofplastic inserted between two pieces of…

A: Answer Laminated glass is a type of safety glass that holds together when shattered. There is a…

Q: material goes from a solid to a liquid

A: Physical change that occurs when a material goes from a material goes from solid to a liquid ------…

Q: en a material is at its melting point, heat is given off only after the molten material rises in…

A:

Q: 2.81 g / cm3 density Al-Cu casting alloy (92% Al - 8% Cu) made of sand with a mass of 20 kg a core…

A: SOlution: Given that density of Al-Cu casting alloy=2.81 g / cm3 Density of the sand core dc = 1.6 g…

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!