The volume of a certain bacterial cell is 2.56 m³. (a) What is its volume in cubic millimeters (mm³)? (b) What is the volumeof 10⁵cells in liters (L)?
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The volume of a certain bacterial cell is 2.56 m³. (a) What is its volume in cubic millimeters (mm³)? (b) What is the volumeof 10⁵cells in liters (L)?
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- The volume of a certain bacterial cell is 2.56 mm3. (a) What is its volume in cubic millimeters (mm3)? (b) What is the volume of 105 cells in liters (L)?(a) A cube of osmium metal 1.500 cm on a side has a mass of76.31 g at 25 °C. What is its density in g/cm3 at this temperature?(b) The density of titanium metal is 4.51g/cm3 at 25 °C.What mass of titanium displaces 125.0 mL of water at 25 °C? (c) The density of benzene at 15 °C is 0.8787 g/mL. Calculatethe mass of 0.1500 L of benzene at this temperature.Calculate these masses.(a) What is the mass of 6.00 cm 3 of sodium, density = 0.97 g/cm 3 ?(b) What is the mass of 155 mL gaseous chlorine, density = 3.16 g/L?
- Calculate these masses.(a) What is the mass of 4.00 cm3 of sodium, density = 0.97 g/cm3 ?(b) What is the mass of 125 mL gaseous chlorine, density = 3.16 g/L?Calculate these masses.(a) What is the mass of 6.00 cm3 of mercury, density = 13.5939 g/cm3?(b) What is the mass of 25.0 mL octane, density = 0.702 g/cm3?1. (a) How many kilometers/min does a car go if it goes 52 miles/hour? (b) What number of inches is 0.09 miles? (c) What number of μm are in 1.116 cm?
- Light travels in a vacuum at a speed of 3.00 × 108 m s-1 .(a) Convert this speed to miles per second.(b) Express this speed in furlongs per fortnight, a littleused unit of speed. (A furlong, a distance used in horse racing, is 660 ft; a fortnight is exactly 2 weeks.)A group of students took turns using a laboratory balanceto weigh the water contained in a beaker. The results theyreported were 111.42 g, 111.67 g, 111.21 g, 135.64 g,111.02 g, 111.29 g, and 111.42 g.(a) Should any of the data be excluded before the average is calculated?(b) From the remaining measurements, calculate the average value of the mass of the water in the beaker.(c) Calculate the standard deviation s and, from it, the 95% confidence limit.(a) Starting with the definition 1.00 in.= 2.54 cm, find the number of kilometers in 1.00mile. (b) In medicine, volumes are often expressed in millimeters (ml or mL). Showthat a milliliter is the same as a cubic centimeter. (c) How many cubic centimetersof water are there in a 1.00 L bottle of drinking water?
- Precious metals and gems are measured in Troy weights in the English system. Use the unit relationship given below to perform the requested calculations (A) what is the mass of 1.0 Troy ounces in grams? (B) The density of gold is 19.3g/cm^3. What is the volume of 12.5 carats of gold in mL? (C) a thief steals 531 pennyweights of silver. How many moles is that? (D) A wedding ring contains 2.56 x 10^22 atoms of diamond. How much are the diamonds in the ring worth if a 1-carat diamond costs $7600.0 ?Calculate these volumes.(a) What is the volume of 35 g iodine, density = 4.93 g/cm 3 ?(b) What is the volume of 33.28 g gaseous hydrogen, density = 0.089 g/L?(a) To three decimal places, what is the volume of a cube (cm3) with an edge length of 0.843 cm?(b) If the cube in part (a) is copper and has a mass of 5.34 g, what is the density of copper to two decimal places?