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Discover molarity of solution. Demonstrate all steps so that follow the process for future problems
37.0 mL of 9.00 M H2SO4diluted to 0.546 L
Consider a small lake, 0.4 mile across and 11 ft deep, that contains a total of 50 tons of dissolved oxygen. Calculate the BOD (i.e. calculate the amount of oxygen required to degrade the amount of organic waste given)
Identify the two important classes of catalysts. Analyze the chemical reactions that take place when a biological catalyst combines with a reactant (substrate) to form an unstable intermediate.
What is the molarity of a solution prepared by dissolving 10.5 grams of NaF in enough water to produce 750 mL of solution
Predict the aqueous phase equilibrium concentration of phenanthrene at 25*C if the values for this compound are Cs = 1.1 mg/L, P^v = 1.6 x 10^-7 atm, KH = 4.0 x 10^-5 atm*m^3/mol, and logKow = 4.52.
If this cell is at standard conditions (Cu2+ and Al3+ solutions 1.0 M and 25 degrees celsius), what is the spontaneous redox reaction and the expected cell potential. Which metal serves as the cathode? Write the half-reaction that occurs at the ca..
a Balanced reaction equation must have the same number of atoms of each element on both sides of the equation. to verify that the equation is balanced, count the otoms of each element on both sides of the reaction
The valve between these Tanks X and Y is opened and the gases are permissible to mix. After the gases have had time to mix, calculate the partial pressure of the oxygen gas?
The Kjeldahl was used to analyze 322 ul of a solution containing 54.2 mg protein/ ml. The liberated NH3 was collected in 7.00 ml of 0.04325 M HCl. The remaining acid required 7.62 ml of 0.01221 M NaOH for complete titration. What is the weight per..
Identify the sets of quantum numbers that describe all the electrons in a neutral beryllium atom, \rm Be. Each set is ordered
A beaker with 170 mL of an acetic acid buffer with a pH of 5.000 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 8.70 mL of a 0.370 M HCl solution to the beaker.
what is the maximum height achieved if a 0.500 kg mass is thrown straight upward with an initial speed of 55 ms-1?
Calculate the wavelength (in nm) of a photon emitted by a hydrogen atom when its electron drops from the n=5 state to the n=3 state
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