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State a short paragraph or use a graphic organizer, to illustrate the relationship among the following concepts: favorable chemical change, enthalpy, temperature, entropy and free energy.
Use the standard normal distribution in Table B.1 to determine the rain depth that would have a recurrence interval of 100 years. Use the same table to estimate the recurrence interval of the 1988 annual rain of 99 inches.
Empirical formula and molecular formula, 2) Two substances Q and R each have the elemental composition C = 60% h=13.3% 0=26.7% by mass 0.60 grams of each substance occupied a volume of 0.336 liters at 137 Celcius and standard pressure
Sucrose (C12H22O11), which is commonly known as table sugar, reacts in dilute acid solutions to form two simpler sugars, glucose and fructose, both of which have the formula C6H12O6
Cu2+(aq) + Zn(s) ---> Cu(s) + Zn2+(aq) A galvanic cell that uses the reaction shown above has a standard state electromotive force of 1.1 volts. Which of the following changes to the cell will increase the voltage
column of air with a pressure of 1.57 *10^5 Pa and an area of 1.15 m^2 and given that the acceleration due to gravity is 9.8 m/s^2, what is the mass of this column?
Chromatographic column, it is important to let the level drop in the column eluent to the level of the sand before applying the solution of the compound to be separated. What effect would have on the efficiency of separation ignore this recommenda..
blood cholesterol levels are generally expressed as milligrams of cholesterol per deciliter of blood. what is the
The volumes are additive
compute the vapor pressure at the temperature of 25 degree celsius of h2o above a solution formed by mixing 100. grams
By combining your answers and using the average bond enthalpy for C-H (413 kJ/mol) calculate the average bond enthalpy for the carbon-carbon bonds in C6H6
What makes Maleic acid (isomer of but-2-enedoic acid), very soluble in water and only sparingly soluble in CCl4
A buffer is prepared by adding 115mL of 0.30 M NH3 to 145mL of 0.15 M NH4NO3. Explain what the pH of the final solution is. Kb= 1.8x10-5
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