A substance whose properties are uniform throughout a sample is referred to as a.A solid b.An ideal substance c.A pure substance d.A standard substance
Q: A substance is undergoing a phase change from gas to solid. This phase change is known as...........…
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A: Density is defined as mass per unit volume. It can be expressed as : Density = Mass Volume…
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A: Fracture of the alloy specimen takes place at 80 MPa/mm. If the stress to the deformation ratio is…
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Q: A crystal of a chemical sodium weighs 6.43g in air and 2.83g when immersed in a fluid having a…
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Q: Which of the following statements in regard to temperature is not physically correct? a.…
A: When heat is added or removed from the body the temperature of the body varies accordingly.
Q: One component of a metal sculpture consists of a solid cube with an edge of length 0.201 m. The…
A: Given:- Edge of cube = 0.201 density of cube = 6110 kg/m3
Q: Absolute zero is a. zero degrees Celsius. b. the temperature at which atoms have no remaining…
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Q: What is the phase of water at a pressure of 0.1bar and a temperature of 190degC A. Liquid B. Vapour…
A: Phase of water will be B)VAPOUR
Q: You buy a "gold" ring at a pawn shop. The ring has a mass of 4.7 grams and a volume of 0.55 cm3. Is…
A: The density of the gold ring is,
Q: A Cuban box contains 268 G of water what is the length of one side of the box and meters
A: mass of water = 268 g box shape = cube
Q: 4. The density of gold is 19300 kg/m³. What is the mass of a gold sphere whose diameter is 0.52 m?…
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Q: Silicon is considered a.A conductor b.A semiconductor c.An insulator d.A plasma
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Q: 3.) Temperature = 250 °C and Pressure = 3 MPa a. State of the given properties b. Specific Volume
A: Consider the known data as below. Temperature, T=250°C=523.15 K Pressure, P=3 MPa=3×106 Pa Ideal gas…
Q: The capital account on the United States' balance of payments includes all but which of the…
A: In international macroeconomics, The capital account is defined as the part of the balance of…
Q: A continuous drip of an antidysrhythmic medication is ordered at a rate of 2 mg/min. The standard…
A: A continuous drip of an antidysrhythmic medication is ordered at a rate of 2 mg/min i.e.120 mg/hr If…
Q: What is the density of an unknown and irregularly shaped solid?
A: To find the density of irregularly shaped solid first of all find the mass of the object. Then we…
Q: 7. Using an electronic balance, 10.00 mL of methanol is found to have a mass of 7.911 g at room…
A: We know:Density=Mass Volume Here: Mass = 7.911 g Volume=10.00 ml
Q: If all the air in a container is transferred to a contair twice as large, what will result? A.…
A: Pressure inside the container is due to collision of particle with the wall.
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: uppose that the aorta has a radius of about 1.25 cm and that the typical blood velocity is around 30…
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Q: One component of a metal sculpture consists of a solid cube with an edge of length 34.5 cm. The…
A: Edge length L = 34.5cm =0.345 m Density of solid cube p = 6210 kg/m3
Q: 2. Imagine that you fill a bucket to the top with water and then place the bucket outside in…
A: When bucket full of water placed outside in freezing weather, The temperature of the water in the…
Q: Conduction can only happen when objects are in: A.close proximity B.thermal contact C.direct line of…
A: Conduction: When 2 bodies at different temperatures are brought in physical contact with each other…
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Q: If the temperature of an ideal gas sample is held constant and the pressure is tripled, what happens…
A: The ideal gas law states that, PV = nRT where, P = pressure V = volume n = amount of substance R =…
Q: 1. A person contains 8.0 L of blood. Blood is composed of 55% plasma and 45% blood cells by volume.…
A: As per guidelines , only first question is solved here. 1. Volume of Blood = 8 L Content of plasma…
Q: 19. Which of the following best describes how an increase in the number of moles of a gas will…
A: For ideal gases, PV=nRT n= number of moles V=volume R=Universal gas constant T = Absolute…
Q: 1. A helium balloon has a volume of 10 L at 101 kPa. As the balloon rises the pressure drops to 78…
A: As per our guidelines, we are supposed to answer only first one question in case of multiple…
Q: Aqua regia is an acid mixture that can be used to dissolve gold. Aqua regia has a density of 1210.…
A: Given data: The density of Aqua regia is ρA=1210 kg/m3. The density of gold is ρg=19.30 g/cm3. The…
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A: Every body on the Earth has its mass and occupies some volume. The concentration of mass in a given…
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Q: 3. The British gold sovereign coin is an alloy of gold and copper having a total mass of 7.988 g,…
A: (a) mass of gold
Q: Why is it valid to represent the structure of a crystalline solid by the structure of its unit cell?…
A: Yes it is Valley to represent the structure of a crystalline solid by structure of its unit cell…
Q: One component of a metal sculpture consists of a solid cube with an edge of length 0.263 m. The…
A: Given:- Edge of cube = 0.263 m = 26.3 cm density of cube = 6530 kg/m3
Q: Calculate for the final boilir aqueous solution of KBr. The b water is 0.512 °C kg mol·1, anc…
A: We have givenAqueous solution of KBr (M)= 2.70 MBoiling point constant (k)= 0.512 °C Kg mol-1and…
Q: Supposed you had a mixture of iron pellets, pebbles, and small wood spheres, all of which were about…
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Q: Copper can be drawn into thin wires. How many meters of 34- gauge wire (diameter=6.30x10-3 in) can…
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Q: CONCEPTS 1. Which of the following is not true of com- pounds made of molecules? a, They may exist…
A: 1. Correct option is : d. They have very high melting points 2. Correct option is : c. have very…
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