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1. ### One cubic centimeters (1.0 cm^3) of mercury has a mass of 0.014 kg at 25 degrees C , find the mass of 3.5m^3 of mercury at 25 degrees C?

1 cubic meter = 10^6 cubic cm 0.014 kg/cm^3 * 3.5 * 10^6 cm^3 => 3.5 * 0.014 * 10^6 kg => 3.5 * 1.4 * 10^(-2) * 10^(6) kg => 3.5 * 1.4 * 10^(4) kg => (7/2) * (7/5) * 10^4 kg => (49/10) * 10^4 kg => 4.9 * 10^4 kg 49000 kg

3 Answers · Science & Mathematics · 31/08/2019

2. ### Commercial hydrochloric acid is 38 percent HCl by mass. The density is of this aqueous solution is 1.19g/cm^3?

(1.19 g/cm^3) x (1000 cm^3 / 1 L) x (0.38) / (36.4611 g HCl/mol) = 12.4 mol...

1 Answers · Science & Mathematics · 21/07/2019

3. ### Osmium has a density of 22.63g/cm. The mass of a block of osmium that measures 1.01 cm × 0.233 cm × 0.648 cm is __________ g.?

assuming this block is a cuboid 1.01 cm × 0.233 cm × 0.648 cm = 0.1525 cm³ your density number ...

2 Answers · Science & Mathematics · 19/03/2019

4. ### What s the radius of a cylinder that is 1.80 cm long and has a mass of 13.4 g . For a cylinder, V=πr2l. (The density is 2.70 g/cm3.)?

V = mass / density = 4.9630 cm^3 r^2 = V/(πl) = 0.8776 --->r =0.94 cm

1 Answers · Science & Mathematics · 29/08/2019

5. ### 2. 667 cm of gas changes in temperature from 431 kelvin to 41.00 Celsius. What is the final volume of the gas?

Supposing the pressure remains constant, and supposing the units on 2.667 to be cm^3: (2.667 cm^3) x (41.00 + 273.15) K / (431 K) = 1.94 cm^3

1 Answers · Science & Mathematics · 29/01/2019

6. ### Calculate the density of a solid cube that measures 2.53 cm on each side and has a mass of 432 g. Answer in units of g/cm3.?

(432 g) / (2.53 cm)^3 = 26.7 g/cm^3

3 Answers · Science & Mathematics · 20/02/2019

7. ### What is the density (in g/cm^3) of a piece of copper that has a mass of 1.12 oz and occupies a volume of 3.54 mL?

Density .... Convert ounces to grams. Everyone knows that 1 milliliter is equivalent to 1 cubic centimeter. D = m / V D = (1.12 oz x 28.3495 g / 1 oz) / 3.54 cm³ = 8.97 g/cm³ The answer can only be...

5 Answers · Science & Mathematics · 09/07/2019

8. ### What is the volume in liters of 3.55 kg of ethylene glycol? With a density of 1.1 g/cm^3.?

in chemistry class.. we do our calculations via "factor label method".. aka.. "dimensional analysis" to chemistry students. I cover that in my answer here https://answers.yahoo.com/question/index?qid...

3 Answers · Science & Mathematics · 30/08/2019

9. ### What current would be required to deposit 2.08 m2 of chrome plate having a thickness of 0.037 mm in 4.50 hr from a solution of H2CrO4?

...of Cr deposited = (2.08 × 100² cm²) × (0.037/10 cm) = 76.96 cm³ Mass of Cr deposited = (76.96 cm³...

1 Answers · Science & Mathematics · 01/05/2019

10. ### the difference is 18cm?

18 cm = 180 mm. 760 mm of Hg = 1 atm so 180 mm Hg = 0.237 atm Depending which side is higher, the gas pressure is either 0.95 atm + 0.237 atm or 0.95 atm - 0.237 atm

2 Answers · Science & Mathematics · 05/03/2019