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A solution is prepared by dissolving 396 g of sucrose (C12H22O11) in 604 g of water. What is the vapor pressure of this solution at 30°C? (The vapor pressure of water is 31.8 mmHg at 30°C.)
Suppose that a 4.0 L sample of gas at 1.0 atm is heated from 44°C to 53°C, during this process the volume doubles. What will the final pressure of the gas sample be
Discuss how Dalton's Atomic Theory defines the Law of Definite Proportions as well as the Law of Multiple Proportion by taking the instance of two oxides of carbon. You may opt for any other suitable example.
What is the pH when 25mL of .20M CH_3COOH has been titrated with 35mL of .10M NaOH
In the reaction between glucose and oxygen 10.0 g of glucose reacts and 7.50 L of carbon dioxide is formed. What is the percent yield if the density of CO2 is 1.26 g/L?
A 7.31 liter sample of a gas at 50 degrees celsius and 2.82 atm pressure is subsequently compressed to 0.546 liters. in response to being compressed, teperature increases to 72 degrees celsius. what is the pressure of the gas after compression
What is the hydroxide-ion concentration in a solution formed by combining 200. mL of 0.15 M HCl with 300. mL of 0.091 M NaOH at 25ºC?HCl(aq) + NaOH(aq) ? NaCl(aq) + H2O(l)
Tooth enamel is mainly hydroxyapatite, Ca(PO4)6(OH)2.If 1.117g of tooth enamel reacts with acid to give 1.111g of calcium chloride, what is the percentage of hydroxyapatite in the tooth enamel sample
For the reaction, 2 A(g) + 2 B(g) => C(g) + 3 D(g), the following data were obtained at constant temperature.Experiment Initial [A], mol/L Initial [B], mol/L Initial Rate, M/min
Propose a structure for compound X - Completely assign the 1H NMR and 13C NMR spectra for your proposed compound X.
Assuming that a neutron star has the same density as a neutron, calculate the mass (in kg) of a small piece of a neutron star the size of a spherical pebble with a radius of 0.20 mm.
If you react 40.00 grams each of NO and O2, how many grams of NO2 will form? After you performed the experiment as in above, you obtained 30.22 grams of NO2. What is the percent yield?
a 738 ml sample of nitrogen n2 was collected by displacement of water at 24c under a total barometric pressure of 1270
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