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A cantilever beam having stepped moment of inertia is subjected to a 4 kN load at the free end as shown in the figure. Using moment area theorems, evaluate the slope and deflection at the free end.
E = 204 x 106 kN/m2
What is the molarity of a solution that contains 41.0 g of vitamin B1 hydrochloride (molar mass = 337 g/mol}) in 280 mL of solution?
A solution is prepared by dissolving 0.13 of acetic acid and 0.13 of ammonium chloride in enough water to make 1.0 of solution
Could Kb for a weak base be determined in the same way that Ka for a weak acid is determined in an experiment
The mole fraction of substance A is 0.35. At 32 degrees C the vapor pressure of pure A is 87mmHg as well as the vapor pressure of pure B is 122 mmHg. Explain what is the total vapor pressure of the solution at this temperature
If one atom of carbon-14 weighs 14.0035 atomic mass units and one atomic mass unit is equal to 1.660539*10^-24 grams, what is the mass of 25 atoms of carbon-14 in grams?
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
If the concentration of acetic acid is 980 mg/L (as acetic) propionic is 640 mg/L (as acetic) butyric is 310 mg/L (as acetic) valeric is 770 mg/L (as acetic), explain what is the total concentration of acids as valeric
Three possible resonance structures are shown below for the SO2Cl2 molecule. Using formal charge, determine the order of stability of the three structures (i.e. the order in which they contribute to the overall resonance hybrid structure).
The standard cell potential E cell of the reaction below is -0.34 V. The value of delta G for the reaction is __________ kJ/mol. Cu (s) + 2H+ (aq) ? Cu2+ (aq) + H2 (g) +66 -0.34 -130 +130 none of the above
How much heat is gained when a piece of copper metal with a mass of 15 grams is heated from 20 degrees C to 75 degrees C? The specific heat of copper is 0.385 J/g degrees C
question a 17.9 g sample of an alloy at 98.0degc is placed into 127.2 g of water at 22.0 degc in an insulated coffee
Platinum exhibits an extremely intense emission line at 214.4 nm. Could the spectroscope that you used in this lab, also be used to observe this electromagnetic radiation?
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