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A sample of methane gas, CH4, occupies a volume of 44.1 L at a pressure of 5.28 atm. What volume will the gas occupy if the pressure is lowered to 2.47 atm? A sample of a gas occupies a volume of 1100 mL at 75ºC and 0.17 atm. What would be the new volume if the temperature decreased to 45ºC and the pressure increased to 1.90 atm? An expandable balloon contains 1500 L of He at 0.829 atm pressure and 18 ºC. At an altitude of 22 miles (temperature 4.4 ºC and pressure 3.4 torr), what will the volume of the balloon be?
The basicity test differentiates aromatic and aliphatic amines based on their solubility in a pH 5.5 buffer. Given that Kb for aniline is 4.2 x 10^-10 and Kb for cyclohexylamine if 5.0x10^-4, calculate the ratio of amine salt to dissolved amine fo..
Starting with the standard free energies of formation from the following table, calculate the values of delta G and E cell of the following reactions.
How many valence electrons does one molecule of aspartame have? What are the bond angle measurements of aspartame?
the following reaction takes place in a sealed 40 l container at a temperature of 120 degrees celsius. 4nh3g 5o2g 4nog
Oxygen gas can be obtained by the thermal decomposition of mercuric oxide; 2 HgO(s) + heat ® 2 Hg(l) + O2(g) What volume in liters of oxygen gas, measured at 6.926 °C and 0.9130 atm, would be produced from 12.43 g of HgO
equal mass of water and ethylene glycol are mixed. what is the vapor pressure of this mixture at 100.c? the molar
Mass spectra for 1-bromo-4-propylbenzene as well as 3-bromopropyl benzene are shown below. Match each spectrum to the appropriate compound. Depict a structure for the ion that corresponds to the base peak in each spectrum.
zinc has a standard reduction potential of -1.36 v for zn(oh)4 2- +2e- yields zn+4oh-. find the formation constant for zn2+ +4oh- yields zn(oh)4 2-
If a breakdown of the thermal insulation around the turbine allows a heat loss of 60 kJ per kg of stream, and the exiting steam is at 150oC and 0.3 MPa, what will be the power developed by the turbine if the inlet steam conditions and flow rate ar..
The element lanthanum has an atomic weight of 139 and consists of two stable isotopes lanthanum-138 and lanthanum-139.
Write a balanced chemical equation using skeleton structures for the reaction between acetic acid (CH3COOH) and ethanol, and note the general name for this type of reaction.
A list of the calorie content of foods indicates that a 10 oz chocolate thick shake contains 331 Calories. Express this value in kJ and in J
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