The density of air at ordinary atmospheric pressure and 25 ∘C is 1.19 g/L. What is the mass, in kilograms, of the air in a room that measures 13.5 × 17.5 × 6.0 ft?

Q: A medical doctor gives the order to administer dopamine at a rate of 3.0 mcg/kg⋅min (mcg is the…

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Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

A: Covert  j/Mol into kj/Mol

Q: The density of a substance is given by the equation: m d V Where: d = density m = mass V = volume In…

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Q: A piece of metal that is a cube with sides of 1.66 cm has a mass of 69.000 g.  Calculate the density…

A: TO calculate the density of the metal, first of all we determine the volume of the metal cube.

Q: The chemist measures the volume of the unknown liquid as 1489. cm^3 and the mass of the unknown…

A: mass of liquid = 1.32 kgvolume of the liquid = 1489. cm3density of the liquid =?

Q: Raw milk is stored at a dairy farm in a refrigerated cylindrical vat 6.50 feet wide and 12.5 feet…

A: Given cylindrical vat is 6.50 feet wide.  Height is 12.5 feet.  Depth of the milk is given as 9.8…

Q: After sitting on a shelf for a while, a can of soda at a room temperature (69°F) s placed inside a…

A: Given: Ta = the temperature surrounding the object = temp. of refrigerator = 37oF To = initial…

Q: You are given a bottle that contains 4.39 cm^3 of a metallic solid. The total mass of the bottle and…

A: The density of a solid can be defined as mass of solid per unit volume of solid. The symbol used for…

Q: A homogeneous mixture was prepared by mixing 0.90 g A, 105.7 g B and 48.17 g C. The volume is found…

A: Given, Volume of mixture = 56.6 cm3 Mass of A = 0.90 g Mass of B = 105 .7 g Mass of C = 48.17 g

Q: In order to solve for the mass, m, you must multiply both sides of the equation by the same…

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Q: A certain rain cloud at an altitude of 1.80 km contains 3.20 x 10 kg of water vapor. How long would…

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Q: In calibrating a 50 mL buret, a student found that 50 mL of water measured from the buret at 23…

A: Here we need to calculate the actual volume of water. The data required :Actually 1 gm water…

Q: a small block of a metal with a mass of 223.1g when submerged in a beaker containing water, the…

A: Mass of metal = 223.1 g Density of metal = 7.41 g/cm3 = 7.41 g/mL

Q: liquid nitrogen is cold and can be used to cool objects to -196 celcius. if you put the bottle of…

A: To calculate the volume of air in the bottle when it's cooled to -196°C, we need to use the ideal…

Q: If the density of a piece of oak wood is 0.850 g/cm^3, will the item float or sink in pure water?

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Q: The concentration of carbon monoxide in an urban apartmentis 48 μg/m3. What mass of carbon monoxide…

A: 1 ft = 0.3048 m Therefore, dimensions of the room are : 10.6 ft x 14.8 ft x20.5 ft = 3.23 m X 4.51 m…

Q: the us national institute of standards and technology used mercury gauge as a primary standard for…

A: given, mass of mercury = 225 kilogram = 225000 grams density of mercury = 13.6 g/mL

Q: What is the volume, in L, of a room that is 8.00 ft x 10.00 ft x 10.0 ft?

A: The volume in liters has to be determined. Some of the common conversion factors that will be useful…

Q: The mass of Earth is 5.98 ×10^24kg. What is the mass expressed in tera-grams?

A: Given: The mass of the earth = 5.98×1024 kg We have to find the mass in teragrams.

Q: The density of air at ordinary atmospheric pressure and 25 oC is 1.19 g/L. What is the mass, in kg,…

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Q: Suppose that you want to know whether you could lift a gallon of liquid mercury. One gallon is 3780…

A: Given: Specific gravity of liquid mercury is 13.55 Specific gravity = Density of mercury/Density of…

Q: Dennis obtained a clean, dry stoppered flask. He determined the mass of the flask and stopper to be…

A: Given data,Mass of flask and stopper=32.634gMass of water+flask+stopper=59.479gDensity of…

Q: 2 NO(g) + Br₂(g) → 2 NOBr(g); AH = -18.2 kJ COLUMN A Kp at 25°C COLUMN B Kp at 50°C

A: Using integrated van't Hoff equation, Kp can be determined at different temperatures.

Q: The volume of water in large scale reservoirs is often measured in units of an acre-foot, which is…

A: 1 acre-foot = 43,560 ft³ 1 US liquid gallon = 231 cubic inches 1 US liquid gallon = 3.785 liters 1…

Q: A young inventor approaches you with their invention: they propose a solar-powered water-bottle,…

A: Step 1:To determine if the solar-powered water bottle can meet the daily water requirement of 2l ,we…

Q: the density of mercury, the only metal to exist as a liquid at room temperature, is 13.6 g/cm^3.…

A: The density of mercury is given as 13.6 g/cm3 and it is required to convert this in pounds per cubic…

Q: A parsec is an astronomical unit of distance where 1 parsec = 3.26 light years (1 light year equals…

A: Given, 1 parsec= 3.26 light years speed of light = 186000 mi/s

Q: 3.6 x 10 3 kg X 6.89 x 10 5g in kg

A: 1 kg = 1000 g

Q: if a 2.50 g block of metal with a density of 6.72 g per cm^3 is dropped into a graduated cylinder…

A: Density = MassVolume So, volume = massdensity

Q: a room contains 4.23 x 10^24 molecules of oxygen. what is the mass of oxygen in the room?

A: Number of mole of substance is calculated by dividing mass of substance (m) to molar mass (M) of it…

Q: A chemistry student needs  10.0g  of methyl acetate for an experiment. By consulting the CRC…

A: Density is a mass per volume ratio. The average density is similar to the total volume of an object.…

Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

A: -> 1 KJ = 1000 J  -> 1 mole = 1000mmole

Q: A graduated cylinder weighs 28.66 grams when empty and 35.27 grams when filled with water at 4oC.…

A: Solution -

Q: Calculate the mass of scheelite (CaWO4) that contains a million (1.0 × 10°) oxygen atoms. Be sure…

A: 1 mole = 6.022 x 1023 entities. Molar mass is equal to the mass of 1 mole.

Q: What is the volume (in units of m^3) and density (in units of g/mL) of a 325g rectangular block of…

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Q: What volume 15 grams of water occupies ? (express your answer in cm^ 3

A: Given: Mass of water = 15 g.

Q: Evaluate the manager’s calculations with regard to significant digits. If necessary, rewrite any…

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Q: Convert 71.20 dyn/cm to g/s^2.

A: It is CGS unit conversion

Q: Magnesium is used in alloys, in batteries, and in the manufacturing of chemicals. It is obtained…

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Q: The density of a certain metal is (6.60x10^0) g/cm3. What is the mass in grams of a sample of this…

A: Given the density of a certain metal = 6.60 × 100 gm/cm3 So D = 6.60 × 1 = 6.60 gm/cm3 Also given…

Q: In the movie The Italian Job, thieves steal gold bullion. One plan is to carry the ingots of gold…

A: Given : Volume of suitcase = 4.36 x 104 cm3 approx. Density of gold = 19.3 g/cm3  And weight of…

Q: The concentration of carbon monoxide (CO), a common air pollutant, is found in a room to be 5.7 x…

A: The volume of the room is calculated as following,

Q: The density of air at ordinary atmospheric pressure and 25 degrees Celsius is 1.19 g/L. What is the…

A: Given that density of air = 1.19g/L  Dimensions of room = 14.5*16.5*8.0 feet

Q: A chemistry student needs 90.0g of carbon tetrachloride for an experiment. The density of carbon…

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Q: A student finds that 24.96 g of water at 24.9 C(density=0.9971 g/cm3) is required to completly fill…

A: Given data,Mass of water to completely fill the flask=24.96gDensity of water=0.9971g/cm3Mass of…

Q: A group of students took turns using a laboratory balanceto weigh the water contained in a beaker.…

A: A group of students took turns using a laboratory balance to weigh the water contained in a beaker.…