Define melting point.

Q: is caused when metallic substances are heated to high temperatures.

A: The temperature increase of the metallic substance affect the substance in many ways.

Q: Measure the temperature of boiling water and the temperature of a boiling solution of salt and…

A: When we measure boiling point of water and salt water, salt water will have more boiling point than…

Q: الحركة على خط مستقيم 5- تستغرق سيارة سباق و 2.2 لتصل لسرعة k/h 0 10 بدءا من السكون، مامتوسط تسارعها…

A: Since the question is not in English it has been translated in to English and solved. The translated…

Q: 15) Fig. 2 shows the basic form of a Wheatstone bridge. W

A: In balanced condition point Y and Z will have same potential.

Q: Relationship between specific heat of Copper lead and Aluminum

A: The specific heat capacity of Copper is 0.385 J/goC

Q: What factors affect the melting point of a metal?

A: The factor the affect the melting point of a metal is the attractive force between the molecules…

Q: The Vostok base in Antarctica recorded a temperature of -128.6 ◦F in 1983. What value corresponds in…

A: Temperature recorded in the Vostok base in 1983 = - 128.6oF To find : The temperature equivalent of…

Q: Convert 5.6g to kg, please show how you got the answer

A: Relation between gram and kilogram is as follows: 1 g=10-3 kg

Q: Define melting fusion.

A: Melting is the process applicable to solids and it is an endothermic process. The conversion of…

Q: Equation Formation Heat Value C(s, graphite) + 0,lg) - Co-(g AH = -393.5 kI Co,(g)- CO(g) +,0,(g) AH…

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Q: How much heat is needed to melt 4 g of ice? Give your answer in joules.

A:

Q: Describes the process of converting from one form of energy into another?

A: Law of conservation of energy states that energy can neither be created nor be destroyed it can only…

Q: 50. Conductivity of silicon Temperature A X B -D X

A: The plot in option A is incorrect because the conductivity does not increase linearly with…

Q: Explain Some Demodulation Techniques

A: Diode Rectifier envelope Detector Now let’s see how an amplitude modulated wave is being detected…

Q: xplain why the use of deicers causes ice to melt more quickly.

A: The melting is a temperature at which a solid turns to a liquid. The temperature at which ice melts…

Q: Figure 1. Particles of Solids Figure 2 Particles of Liquids

A: Materials are solid ,liquid or gasses depending on the spacing between the particles .

Q: Q2. Compare between: 1. Metals and Ceramics 2. Thermoplastic and Thermoset 3. Elastic deformation…

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Q: Which of the following represents the graph of an Ohmic material? V A В C i| V D E 3.

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Q: Use the below graph to answer the question. 120 90 60 30 ন १ স $ ০ Time (minutes) What is the…

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Q: Calculate the volume of iron? mass - 7000 kg density - 0.148/cm²

A:

Q: Which of the following represents the graph of an Ohmic material? V V A В V V D E

A: To identify : The graph for an ohmic material

Q: Find i from the circuit

A: Let the potential at the first node (from the left) is V1 and the potential at the second node is…

Q: Use the below graph to answer the question. 120 90 60 30 O24 6 Time (minutes) What is the melting…

A: From the above temperature vs time graph, it can be found that the temperature of the substance…

Q: State the effect of presence of impurity on the melting point of ice. Give one use of it.

A: The melting point of a substance is inversely proportional to the amount of impurity present in it.…

Q: How will you describe the particles in solid? The particles in solid are A Figure 1. Particles of…

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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: What is the process of conversion of solid state directly to gaseous state called? A) Evaporation B)…

A: Sublimation is the process of solid state directly to gaseous state.

Q: are supercritical liquid and supercritical fluid the same or different? Explain

A: supercritical liquid and supercritical fluid are same. A supercritical fluid (SCF) is any substance…

Q: ft·lb kg•m 5. power of 200 to hr

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Q: Sketch characteristics curve of ohmic device

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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: HOW TO GET MANUAL SOLUTION OF PV DIAGRAM IN THIS PICTURE?

A: The first law of thermodynamics states that: Now, we consider an adiabatic process as given in the…

Q: Which of the following is NOT a derived unit? O a. mole O b. dyne O c. erg d. joule

A:

Q: 2. Vapor having a temperature higher than the saturation temperature corresponding to the existing…

A: In this question we have to answer the given questions accordingly.

Q: Dry table salt is an insulator but molten salt is a conductor. Explain?

A: In dry table salt negative and positive ions are bound to each other and cannot move freely when…

Q: Definition: Composition of platter which depends on temperature. Example: solid, liquid, gas Term:

A: Ques:

Q: Write a note on wind energy and its conversion.

A: Answer:-  Wind energy and its conversion :-  Wind energy conversion systems  are designed to convert…

Q: air flow rate[kg/s] = 3.57 * 10^-7 * lamda( the stoichiometric coefficient ) * Pe/Vc.   Pe and Vc…

A: In this question we have to calculate the mass flow rate of the air.

Q: Pure water is an insulator but salty water is a conductor. Explain?

A: It is true that pure water is an insulator and salt water is a conductor.

Q: Water saturation is 0.26 and Oil saturation is 41%. Calculate gas saturation Answer:

A: Given that                     The water saturation is Sw = 0.26 = 26% and              Oil…

Q: Explain teh terms melting and melting point?

A: Melting: It is a physical process that results in the phase transition of a substance from a solid…

Q: Explain The term “white coal”

A:

Q: Is iced water a pure substance? Why?

A:

Q: Define the term vaporisation.

A: Vaporisation is a process that involved conversion of a liquid into its gas form at or above its…

Q: It is the term used to describe the process of changing solid to gas without passing liquid state.…

A: This process is known as sublimation