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Helium gas, at constant pressure of 1.6 atm, expands in volume from 25.7 L to 86.3 L. The temperature is held at 357 K. Calculate the work done by the gas(in joules).
The initial rates at various substrate concentrations for an enzyme-catalyzed reaction are as follows.
Consider the voltaic cell below, which is symmetric except for the fact that [Cu2+] is 1.0 M on the left side and 0.01 M on the right. Which electrode is +, and what is Ecell?
How much of the RNA standard and TE buffer would you add in each well to give the appropriate final concentration with a final volume of 280 µL
Write net ionic equations for the reactions that take place when aqueous solutions of the following substances are mixed. Potassium fluoride and bromic acid. Ammonium Chloride and sodium hydroxide. Sodium cyanide and ammonium bromide
If one mole of ATP yields 7 kcal of energy, how much energy would be available from the anaerobic catabolism of 270 g of glucose (C6H12O6)? Show your work.
The atoms in the periodic table span 7 shells. Order them from lowest to highest energy. Why do they have this order
Calculate the standard enthalpy of formation of solid diboron trioxide (B2O3) using the following thermochemical information
What volume of 6.00 M sodium hydroxide in milliliters must be diluted to 209.0 mL to make a 1.50 M solution of sodium hydroxide
How many grams of oxygen would be consumed by the complete combustion of 13.4 grams of glucose (formula is c6h12o6) dont forget that oxygen diatomic
Type the half-cell reaction that takes place at the cathode for the iron-silver voltaic cell. Indicate physical states using the abbreviation (s), (l), or (g) for solid, liquid, or gas, respectively. Use (aq) for an aqueous solution. Do not forget..
What is the uncertainty of the position of the bacterium. Express your answer numerically in meters.
Calculate the value of Avogadro's number to three significant figures based on these data. (Note: the value may differ from the tabular value).
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