A metal ore consist of element X and Y with relative aboundance in volume of 20% and 80% respectively. If the densities of X and Y are respectively 6.5 and 4.5 what is the densities of the metal ore?

Q: An EPA standard for microparticulates in air is limited to a maximum of 50.0 ?μg/m3.  Calculate the…

A: Micro particulates in air is limited to a maximum of ρ = 50.0 μg/m3 Volume of the room V = 10.0 ft…

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: When Ibuprofen is given for fever to children 6 months of age up to 2 years, the usual dose is 5…

A: Given that, The weight of the child = 20 lbs To convert from pounds to kilogram we can divide by 2.2…

Q: You have a cube of unknown metal alloy that measures 2 cm on a side. If the cube has a mass of 63.8…

A: The mass of a cube is, m=63.8 grams The side of a cube is, a=2 cm The volume of a cube is, V=a3=2…

Q: A new generation ultralight plastic has a density of 0.75 g/cm3 Determine: a) What is the mass of…

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Q: Polonium, the Period 6 member of Group 6A(16), is a rare radioactive metal that is the only element…

A: The density of the unit cell is given by,

Q: he radius of the atoms of a material crystallized in a volume-centered system is H A. Calculate the…

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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 aquarium filter will clean 275.00 cm^3 of water per minute. how long will it take to filter…

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Q: DEA agents watch drug smugglers load 10,000 N of cocaine onto a fishing boat to transport it from…

A: weight = 10000 N density of saltwater = 1025 kg/m3area of base of boat = 50m2

Q: How do you determine the percentage error of a zinc rod when the experiment density is 0.0071g/cm^3…

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Q: There is 2 m^3 of some gas with density 0.9 kg/m^3 The volume of gas was increased by factor of 2,…

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Q: Calculate how many litters of gasoline are used in the USA in one day? Assume that there are two…

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

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Q: 4. An irregular metallic solid has a mass of 35 g. If its length is 10 cm, its width 8 cm, and its…

A: Given, Mass of solid = 35 g Length = 10 cm Width = 8 cm Thickness = 5 cm

Q: what is the density experimental and % error of them

A: Required : Experimental density and percentage error.

Q: A sample with a mean of M=50 and a standard deviation of s=12 is being transformed into z-scores.…

A: It is given that a sample with a mean of M =50 and a standard deviation of s is being transformed…

Q: 45 gg of gasoline are mixed with 60 gg of water. What is the average density of the mixture? Express…

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Q: An EPA standard for microparticulates in air is limited to a maximum of 50.0 ?μg/m3.  Calculate the…

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Q: A uniform density sheet of metal is cut into the shape of an isosceles triangle, which is oriented…

A: Consider the whole triangle and the small inner triangle with the slice as the base. These are…

Q: One mole of Gold (Au) atom has a mass of 197 g. We know that the density of gold is 19.30 g/cm3 in…

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Q: A quantitative measure of wine quality (y) was modeled as a function of several qualitative…

A: Solution: As per the above data, An interaction model relating wine quality to the two qualitative…

Q: 1.Calculation of density of cylindrical objectMass of cylindrical object with hook 35.943 gMass of…

A: Given: Mass of cylindrical object with hook = 35.943 g Mass of hook = 1.250 g

Q: During the summer, the height of the water in a pool decreases by 4.25 inches each week due to…

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Q: an artifact is dug out of the ground on a greek island and the archeolgist want to determine the…

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Q: An object has a mass of 4.70g. Calculate the density of the object whose volume is 2.55 L.

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