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A mixture of gases has the partial pressures of 0.308 atm due to He, .259 atm due to N2, and the rest is due to O2. If the total pressure of the mixture is 752 mmHg, what is the partial pressure due to oxygen?
Sufficient of a monoprotic acid is dissolved in water to produce a 0.0133 M solution. The pH of the resulting solution is 2.42. Compute the Ka for the acid.
An equilibrium mixture of this reaction(NH4HS(s)?NH3(g)+H2S(g)) at a certain temperature was found to have [H2S]= 0.350M and [NH3]= 0.276M .What is the value of the equilibrium constant (Kc) at this temperature.
We have a 100mL 0.2M AgNO3 solution and a 100mL 0.2M CH3COONa solution. Please describe how to prepare a 35 mL mixture solution containing 60mM AgNO3 and 140mM CH3COONa?
heated from 20 to 50 degrees Celsius. How many calories were needed to bring about the temperature change?
The reaction of iodide ion with hypochlorite ion, OCI - (the active ingredient in a chlorine bleach, such as Chlorox), follows the equation OCI- + I- OI- + CI- It is a rapid reaction that gives the following rate data: What is the overall order of..
D-maltose is a disaccharide and D means the OH on the second to last carbon to the bottom is on the Right and L means left how do we draw a structure of D-maltose or alpa-D-maltose
What is the volume of 135 mL of oxygen gas at 113°C and 870. mm Hg if the conditions are adjusted to STP? Assume the amount of gas is held constant.
Calculate the change in total internal energy for a system that releases 2.26 x 10^4 kJ of heat that does 5.54 x 10^4 kJ of work
Consider the following two reactions: A (arrow) 2B Delta H rxn = 456.7 kJ/mol A (arrow) C Delta H rxn = -22.1kJ/mol
Problem- for the sequence [(O+N2 arrow NO+N)(1) or (NO+H arrow N + OH)(2)] reaction number (2) is the rate determining step. Is the statement true or false?
a mixture of 0.600 mol of bromine and 1.600 mol of iodine is placed into a rigid 1.000-l container at 350degc.br2g i2g
How many quartz of ethylene glycol, C2H6O2 (density = 1.116 g/mL). Will have to be added to 5 gal of water (density = 1 g/mL) to protect an automobile radiator down to a temperature of-10 oF?
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