Chemistry, 14.07.2019 00:30 20emmanuelg1030
If the mass of a material is 45 grams and the volume of the material is 12 cm^3, what would the density of the material be? asks for answer and units
Answers: 2
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What is the molecular formula for a compound that is 46.16% carbon, 5.16% hydrogen, and 48.68% fluorine? the molar mass of the compound is 156.12 g/mol
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The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of
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Convert the temperature of dry ice, –77 ∞c, into degrees fahrenheit and kelvin.
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Before it was launched, a helium-filled balloon had a pressure of 201 kpa at a temperature of 27°c. at an altitude of 15,000 m, the pressure had decreased to 2.5 kpa and the temperature had dropped to -14 °c. the volume of the balloon increased to 59.3 m3. what is the original volume of the balloon? 13 m3 0.85 m3 0.077 m3 1.17 m3
Answers: 3
If the mass of a material is 45 grams and the volume of the material is 12 cm^3, what would the dens...
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