Microscopic phenomena and macroscopic phenomena have no causal relationship. Microscopic phenomena and macroscopic phenomena have no causal relationship.

Q: The pressure of an ideal gas at a constant temperature is 400 Pa. and its volume is 3.0 liters.  If…

A: Pressure: The force per unit area is known as pressure. The SI unit of the pressure is N/m2 . Write…

Q: 1. You have a shortage of drinkable water in your town and are trying to prepare safe drinking water…

A: The amount of water that comes in and going out is at the same rate. So if the motor is fast then…

Q: he diffusion coefficient of

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Q: 2. The Great Pyramid of Cheops had a height of H =147 m before its pinnacle stone fell. Its base is…

A: Given:    Height of the Pyramid, H = 147m    Edge length, L = 230 m     Density, ρ = 1.8 x 103 kg/m3…

Q: Water flows into a bathtub. The bathtub fills up in 2 minutes if you only turn on the cold water…

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Q: a) A hot water heater in a residential home runs for an average of 3 hours per day with a heat…

A: This question is based on electrical energy consumed in a domestic connection. The SI unit of energy…

Q: Consider two immiscible liquids such as water and oil. If a spherical oil molecule of radius r is…

A: The above problem is an example of how macroscopic models work well in molecular level. The…

Q: It the volume of a gas is decreased by a factor of 4, what is the change in its density? Density…

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Q: The density of iron is 8 grams per cubic centimeter. The atomic mass of iron is 56 grams per mole…

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Q: An ideal gas is in a room held at a constant temperature and the pressure set at 4 atmospheres…

A: Given data:  An ideal gas held at constant temperature Initial pressure (P1) = 4 atm Initial volume…

Q: C. d. 554 mk/s 2.554 mg/mL K/s g/L µK/ms µg/mL.

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Q: One of the wells is five metres deep A frog fell into the well The frog climbs three meters in the…

A: Given : Depth of well = 5 m d1 = 3 m d2 = -2 m (Negative because frog drops 2 m at night)

Q: Boyle's Law states that when a sample of gas is compressed at a constant temperature, the pressure P…

A: Given relation PV=Constant Differentiating ,PdV+VdP=0 At an instant V=600 Cm3 , Pressure (P) =150…

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: The classroom temperature is 20 oC. The relative humidity is 60%. What is the total humidity (kg of…

A: Given data, temperature, t = 20°C  since, t°C = (t+273)K so, temperature, T = (20+273)K = 293K…

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: Suppose a table tennis ball has a diameter of 3.85 cm. calculate the depth, in kilometers, to which…

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Q: You are evaluating two biodegradable polymers, Polymer A and Polymer B, for material to release…

A: Hydrolysis is the main degradation mechanism of the biodegradable polymers.

Q: If a floating iceberg has a surface area of 100 square meters and is 10 meters high, what is the…

A: Surface area, A = 100 m2 height, h = 10 m

Q: The following measurements were taken of stacks of 50 coffee filters. Find the average mass of ONE…

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Q: When we measure the volume of an irregular solid, we are told we need to stir to elimate bubbles.…

A: Density is the measure of mass per unit volume. ρ=mV Presence of air bubble is solid occupies some…

Q: A body is found and the temperature is measured at 34.6 degrees Celsius, 30 minutes after the…

A: For such question newtons Law of cooling should be used.It states when a body cools from…

Q: A solid ball has a mass of 20 grams and a radius shown in micrometer. * ?What is the density for the…

A: The micrometer screw gauge shown in the image measures the radius of the ball when placed between…

Q: Human blood flows from the aorta to the capillaries. A girl has an aorta radius of 13 mm. Assume She…

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Q: The simple kinetic theory of gases may be used to drive the expression relating the pressure P to…

A: The pressure due to the gas in terms of density and the is given by  P = 13ρc2¯ here, ρ is the…

Q: A chunk of metal has a mass of 86 grams in air and 73 grams in water. What is the value of its…

A: Given data:  Mass in air (m1) = 86 grams  Mass in water (m2) = 73 grams  Required: The volume (V) of…

Q: A sample of pure sodium has a mass of 11.0 g. Calculate the number of moles in the sample and sodium…

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Q: What is most approximately the volume of water needed to be produced for putting off fire in case of…

A: Given : exposure factor =0.31, communication factor =0.41, First floor area =8400 ft2, Second floor…

Q: A patient uses an oxygen tank to breathe. At the beginning of your shift, the gauge on the tank…

A: Assume a person uses oxygen tank for breathing. Assume that the number of molecules of the gas is…

Q: Red gold is a gold-copper alloy used to make jewelry. A piece of jewelry made of red gold weighs…

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Q: What is the answer to (4)? * O 0.8725

A: Given, Density in trial 1 = 0.8751 g/mL Density in trial 2 = 0.8698 g/mL

Q: a=6πb/q√17 relating the variables a, b and q.

A: solutionGiven : a=6πbq17--1Given condition←'b' is held constant and 'q' is varied and 'a' is…

Q: You toss two six-sided dice. What is the total number of ways in which you can obtain the following?…

A: If we toss a six sided dice then we can obtain an out comes any number from 1 to 6 a)  We can obtain…

Q: The diagram below shows a light plank balanced on two supports, A and B. Weights of 50 N, 25 N and…

A: Taking EFy = 0 50 – Fa + 25 – Fb + 30 = 0 Fa + Fb = 105N Now taking moment about A EMa = 0 -50 X…

Q: The following data are given for a biogas digester suitable for the output of six cows. The volume…

A: SOlution: given that Vd = 6 m3 Vg =4.1 m3

Q: The human body is not perfectly efficient. In fact, only about 20% of the Calories we consume are…

A: Given human body efficiency e=20%=0.02 Person mass m=85kg Energy per bar b=150cal Height of empire…

Q: When a particular substance crystallizes, it forms a body-centered cubic unit cell. It has a…

A: Given : M=100.11 g/mole a=341 pm In this question we have to calculate the density.

Q: The classroom temperature is 20 oC. The relative humidity is 60%. What is the total humidity (kg of…

A: Let ρa denotes the absolute vapour density, ρs denotes the saturated vapour density at the given…

Q: A sample of pure iron has a mass of 13.8 g. Calculate the number of moles in the sample and iron…

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Q: A man jogging has a metabolic rate of 658 W. (a) Calculate his volume rate of oxygen consumption in…

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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!