A rectangular shaped laboratory has dimensions: Length(L) =25m; Width(W) = 11.5m; and height(H) =3.5m. If the density of air is assumed to be 1.29 g/liter, then the mass of air in the room is about _____ kg.

Q: A certain power plant uses fuel with heating value of 34,000 kJ/kg. What is the density of the fuel…

A: Heating value Q = 34,000 kJ/kg Temperature T = 573 R

Q: What mass of fresh water (in kg) can be contained in a box whose dimensions are 298 mm by 281 mm by…

A:

Q: What is the mass, in kg, of a deep breath of air having a volume of 2.00 L

A: Given, Volume =2 L the density of air is  1.29 kg/m^3 Density=Mass/volume Mass=Density x Mass

Q: You have an 18-carat gold coin (an alloy of gold and copper). Its mass is 6 grams. Using the fact…

A: Given: Mass of gold coin =6 grams Density of pure gold =19300 kg /m3 Density of copper =8960 kg /m3

Q: A straightforward method of finding the density of an object is to measure its mass and then measure…

A: Given value--- mass , m = 230 g. Volume , V = 88 cm^3 . We have to find--- density ?

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A: Given Data: The density of the gold is: ρ=19.32 g/cm3 (a) The mass of the gold is: m=6.638 g The…

Q: Given the average heart rate of a human is 7.00 beats per minute and the average volume flow of…

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Q: Gold, which has a density of 19.32 g/cm³, is the most ductile metal and can be pressed into a thin…

A: Density:  Density is defined as the ratio of the mass and the volume of the substance.…

Q: a 25cm diameter cylinder that is 36cm long contains 60g of oxygen gas at 20 degree c   what is the…

A: Write the given values with the suitable variables. d=25 cm=0.25 mL=36 cm=0.36 mm=60 gT=20 °C=293 K…

Q: Let's begin with a simple calculation of the weight of air using density. Find the mass of air and…

A: Given data The length of the room is l = 4.4 m. The width of the room is w = 6.1  m. The height of…

Q: Neutron stars consist only of neutrons and have unbelievably high densities. A typical mass and…

A:

Q: a) What is the volume (in km3) of Avogadro's number of sand grains if each grain is a cube and has…

A:

Q: A study room has dimensions of 8 m by 10 m and 3.5 m tall. The air in the room is to be exchanged 7…

A: Given: dimension of room: 8 m × 10 m × 3.5 m velocity of air, v = 8.3 m/s time taken to remove air 7…

Q: A 2-inch schedule 40 (2.067 in.) pipe showed a deviation of 0.113 cm below the true value of its…

A: The diameter (d) of the inside be defined as 2.067 inches. Therefore, the radius (r) be given as,…

Q: An oil circulates through a pipe (SG = 0.85), if the speed of the oil is 20 m / s and the diameter…

A: Volumetric flow is speed of oil multiplied by cross sectional area of pipe. Velocity =20m/s Diameter…

Q: A cylindrical storage tank has a radius of 1.06 m. When filled to a height of 3.80 m, it holds 12800…

A:

Q: A U.S. 1-cent coin (a penny) has a diameter of 19 mmmm and a thickness of 1.5 mmmm. Assume the coin…

A: diameter of coin= 19 mm Radius of coin (r) = 9.5 mm Thickness (t) of coin = 1.5 mm density of pure…

Q: The density of air under ordinary conditions at 25*C is 1.18g/L.  How many kilgrams of air are in a…

A: Given data:  Density (ρ) = 1.18 g/L Dimensions of room = 11.0ft ×v11ft × 9.00 ft 1 in = 2.54 cm 1 L…

Q: A spherical balloon with a diameter of 8.4 m is filled with helium at 27oC and 199 kPa. Determine…

A: The objective of the question is to find the mass of the helium in the balloon. To do this, we need…

Q: An accomplished silversmith needs an extremely thin sheet of silver. If he starts with a 3.70-kg…

A: Mass of silver sheet, m = 3.70 kg  Thickness,  t = 5.00 × 10-7 m  Density of silver, d = 10.1 × 103…

Q: Assuming biological substances are 100% water, estimate the mass of a fly. Take a fly to be roughly…

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Estimate of calculation