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The critical temperature and pressure of CS2 and 279 degrees C and 78 atm, respectively. At temperature above 279 degrees C and pressure above 78 atm, CS2 can only occur
Determine the mass of H 2 O in the flask and it's the true volume at 20° C?(at 20°C the Density g/mL=0.9982071,20°C the volume of 1g of water (mL) corrected for buoyancy is 1.0029 )
The density of sodium borohydride is 1.492g*cm3. If 3.93 g of sodium borohydride contains 2.50*10^23 H atoms, Explain how many moles of H atoms are present in 28.0 cm3 of sodium borohydride
The reaction 2NO ? N2 + O2, has a rate constant of 3.6 x 10^-2 M^-1 s^-1. When [NO]= 2.8 x 10^-3 M, what is the rate of change in M.s^-1 for N2?
What is the percent yield of a reaction in which 260. g phosphorus trichloride reacts with excess water to form aqueous phosphorus acid (H3PO3) and 127 g HCl?
Hydrogen is more electronegative and the shared electron pair is likely to be found closer to the hydrogen atom. Hydrogen is more electronegative and the shared electron pair is likely to be found closer to the chlorine atom.
A certain reaction between a weak acid (boric acid) and a strong base (sodium hydroxide) has an equilibrium point at a pH of approximately 11. From what you know about indicators, which indicator would be best to use to tell when neutralization ha..
Metabolic regulation is achieved via regulating enzyme activity in 3 ways: allosteric regulation, covalent modification, and enzyme synthesis/degradation.
What is the minimum external voltage one must supply in order to perform the electrolysis of molten CaCl2. Show work, explain, and suggest a means for supplying this energy.
An apparataus has three bulbs, a,b, and c. a has h2o, co2, and n2 with a pressure of 564 mmHg, Bulbs b and c are empty. bulb a is 25 degrees celcius, b is -70 celcius and c is -190 celcius. how many moles of h2o are in the system if the stopcock b..
How many milliliters (mL) of a 0.200 M H2SO4 solution is needed to completely neutralize 20.41 mL of 0.280 M NaOH
1. Please describe the lighting history. 2. Please describe the lighting principle of PN junction based solid state lighting.
Lewis Structure for a Nitrate Ion (NO3-1). How many possible resonance structures are there for the nitrate ion
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