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A 5.00 cm-tall object is placed 50.0 cm in front of a converging lens whose focal length is 25.0 cm. How tall will the image be (use + if the image is upright and - if it is inverted) in cm?
Calculate the concentration of HC2H3O2 or NH3 in each of the solutions you measured. By how many units did the pH of a solution of a weak base or acid
How much energy is required for an electron in a Hydrogen atom to make a transition from the n=2 state to the n=3 state. What is the wavelength of a photon having this energy
A plot of ln [C] versus time is linear for the reaction C ® D. What is the kinetic order of the reaction. A) first B) one-half C) zero
I1 = 896 kj/mole, I2 = 1752 kj/mole, I3 = 14807 kj/mole, and I4 = 17948 kj/mole. Explain to which family in the periodic table does the unknown element most probable belong. Can you calculate a possible row or principal quantum number.
Assume that RNA polymerase will read the top strand of DNA as the "template" to synthesize mRNA. What will be the sequence of the mRNA synthesized?)
In the actual O3 molecule the best description of the number of bonds between O-O atoms is____ bonds.
Propose an appropriate method indicating reagents and solvents, for preparing the subsequent from a starting material of your choice
Compute the zero point energy for CO2 the symmetric stretch is 1313 cm-1, the asymmetric stretch 2335 cm-1 as well as the doubly degenerate bend is 663 cm-1.
You are told to buy 5 packages of deli turkey, 3 loaves of bread and one jar of pickles. Our question is: how many sandwiches can we make?
Question- You are presented with an unknown weak acid. You measure the pH of the solution to be 3.09 after dilution with water as per the lab instructions (remember the total volume is 20 mL after dilution). He titrates the weak acid with 14.26 mL..
Use the thermodynamic quantities given below to calculate the theoretical ?H for this reaction:
Explain how these products are produced by showing the mecahnism involved. (draw).
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