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1. As mentioned before, our asteroid is in the shape of a sphere and has a mass of 1000 kilograms. Determine the density (in grams per cubic centimeter) of this asteroid if its diameter is known to be 1.2 meters. Useful information: 1 kg = 1000 g, 1 m = 100 cm, volume of sphere = 4/3 π r3. Remember that the radius of a sphere is equal to half its diameter. Show all of your work.
If a typical antacid tablet contains 2.0 g of sodium hydrogen carbonate, how many moles of carbon dioxide should one tablet yield? 0.024 moles per tablet
What is the source of the energy needed to incorporate glucose residues into glycogen. How is it used
Given that vinegar is 5% acetic acid by weight, estimate the percentage of vinegar in the foods. Assume that vinegar is 1.05 g/ml.
An experiment was carried out similar to the one carried out to determine the empirical formula of magnesium oxide. The empirical formula for an oxide of chromium is required
Consider the reaction, 4 NH3 + 5 O2 => 4 NO + 6 H2O, How many molecules of NO will be made with 89.5 moles of H2O
a sunscreen preparation contains 2.50 by mass benzyl salicylate. if a tube contains 4.0 ounces of sunscreen how many
Calculate the mean molecular weight (kg/kmol) of the fuel c) Evaluate the air-fuel ratio on a mass basis.
A 0.8800 g sample of a carbocyli acid is burned in oxygen producing 1.569 g of CO2 and 0.6459 g of H2O. Find out the empirical formula of arboxylic acid
one swimmer in a relay race has a 0.485 s lead and is swimming at a constant speed of 3.84 ms. he has 48.5 m to swim
What is the barium ion concentration in a saturated barium fluoride solution made by adding solid BaF2 until no more dissolved
three solutions are mixed together to form a single solution. on e contains 0.2 mol pbc2h3o22 the second contains 0.1
When 1.025 g of naphthalene is burned in a bomb calorimeter, the temperature rises from 24.25 to 32.33 degrees celsiuc. What is the delta E reaction?
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