Chemistry, 19.11.2019 05:31 rakanmadi87
Adisposable tank of helium can be purchased to fill up balloons. such tanks hold about 422 liters of helium compressed to 17.7 atm at room temperature (or 393k), and cost about $50. use the ideal gas law (pv = nrt) to calculate the number of moles of helium gas in the tank. for these units of pressure and volume, r = 0.0821 atm l/mol k.
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Design techniques and materials that reduce the negative environmental impact of a structure are referred to as
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Chemistry, 22.06.2019 13:00
12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer
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Chemistry, 22.06.2019 17:40
Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.
Answers: 1
Chemistry, 22.06.2019 18:30
When a device is used in a circuit in which the voltage is 81 v the current flowing through the device is 3 a what is the resistance of the device
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Adisposable tank of helium can be purchased to fill up balloons. such tanks hold about 422 liters of...
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