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In the simulation, set the temperature of the sample gas to 304 . Click on the "Run" button and observe how the number of moles of the gas varies with an increase in the gas's volume. Then, click on the "Reset" button, set the temperature of the sample gas to 504 , and click on the "Run" button again.
Observe the graph produced in the simulation and select the correct options listed below.
Which of the following are apply?
1.The volume of the sample gas increases linearly with the number of moles.
2.The volume of the gas doubles when the number of moles of the gas is doubled at the same temperature.
3.Volume is inversely proportional to the number of moles of the gas.
4.The pressure of the sample gas increases with an increase in volume.
A graduated cylinder contains 155 g of water. A 11.0 g piece of iron (density = 7.86 g/cm^3) and a 16.0 g piece of lead are added. What is the new water level in the cylinder?
If 45.4g of H2O are produced in the reaction given below, the number of grams of magnesium carbonate used is.?
Predict whether each of the following salts will form an acidic, basic or neutral solution. for acidic and basic solutions write an equation for the reaction that takes place. a)Na2SO4 b)KBr c)BaCl2 d)NH4I
Fission of one mole of U-235 releases 1.9 x 1010 kJ. Calculate the number of kg of coal needed to produce the same amount of energy as the fission of 1 kg of U-235 (235.05g/mol)
What is the substance being oxidized?
Identical containers Ar, CO2, He, and Cl2 at the same temperature and pressure. Which has the lowest density?
Dinitrogen tetraoxide, N2O4, decomposes to nitrogen dioxide in a first-order process. If k=2.5 x 10 to the 3rd s-1 at -5degrees C and k=3.5 x 10 to the 4th s-1 at 25 degrees C, what is the activation energy for the decomposition?
We often hear the terms organic, natural, and chemical in the media. Organic and natural are usually used to imply that a product is "healthy" and/or "environmentally friendly" while chemical often implies negative implications for health and for ..
What is the pH of a solution of a strong acide like tintric acid, HNO3, which is 5.6 x 10^-4 M? [HNO3 is a strong acide, so it is completly ionized in aqueous solution
If you take a 10.5mL portion of the stock solution and dilute it to a total volume of 0.350 L, what will be the concentration of the final solution.
Copper (II) sulfate dissolve sin water to form a blue solution. What species are present in the solution, ie, what is actually swimming around in the solution? Write the formulas.
How much heat is required to raise the temperature of 73.5 of water from its melting point to its boiling point?
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