Editing CP Homework For Density Problems Using DA
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Show the work explained in class to determine the answers to the following problems:<br> <br> 1 mile = 1.61 km , 12 in = 1 ft , 1cm<sup>3</sup> = 1 mL 3.785 L = 1 gal 454g = 1lb <br> <br> 1) A substance has a density of 3.04 g/ml, how many kg does it weigh if the substance has a volume of 425mL?<br> http://www.tmcleod.org/Level1/DAformat.png= __________________ = __________________<br> <br> 2) What is the volume of a solid ( in gallons) that has a mass of 1.57kg if the density is 0.291 g/cm<sup>3</sup>? <br> http://www.tmcleod.org/Level1/DAformat.png= __________________ = __________________<br> <br> 3) A substance has a density of 0.410 g/ml, how many mg does it weigh if the substance has a volume of 2.1L?<br> http://www.tmcleod.org/Level1/DAformat.png= __________________ = __________________<br> <br> 4) A substance has a density of 12.1 g/ml, how many lbs does it weigh if the substance has a volume of 7.42L?<br> http://www.tmcleod.org/Level1/DAformat.png= __________________ = __________________<br> <br> 5) What is the volume of a solid ( in ml ) that has a mass of 0.621kg if the density is 2.17 g/L ? <br> http://www.tmcleod.org/Level1/DAformat.png= __________________ = __________________<br> <br> 6) Which substances from the problems above (use the question # as reference) would float on water and why? (Hint density of water is 1.00g/ml or 1.00g/cm<sup>3</sup> or 1000.g/L)<br> <br> <br> <br> Answer:<br> 1) 1.29 kg<br> 2) 1.43 gal<br> 3) 8.61E5 gal<br> 4) 198 lb<br> 5) 2.86E5 ml<br>
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