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What mass of oxygen gas (in g) is dissolved when 0.255 g of O2(g) is bubbled in 100 mL of water?
(Do not show your work in the space provided; record only your final answer with the correct number of significant digits and the proper units.)
you want to know the detergent composition of an extract of a shampoo. you spot the sample on a tlc plate and develop
Explain in detail the connection between the wave nature and the particle nature of light using scientific evidence. And explain the effects of relevant applica
1. Calculate the hydronium concentration when the hydroxide concentration is 1 x 10-5 M.
Consider a beaker containing a saturated solution of Pbl2 in equilibrium with undissolved Pbl2(s). If solid KI is added to this solution, will the amount of solid PbI2 at the bottom of the beaker increase, decrease, or remain the same?
Programming Essentials - Designing for Reusability Discuss the concept of reusability and how to design for reusability. Provide an example with your posting.
Draw the biuret reaction (i.e. include a structure) with a peptide(s) of your choice. You may use R to denote the amino acid side chains
Compute the molarity of HCL solution from a titration when volume of HCL 25.00mL and volume of NaOH 23.00mL.
at 84 degrees C the total vapor pressure of a solution contains 1.2 moles A and 2.3 moles B is 331 mmHg. Upon the addition of another mole of B to the solution, the vapor pressure increasing to 347mmHg.
A star is estimated to have a mass of 1x10^36 kg. Assuming it to be a sphere of average radius 7.5x10^5 km, calculate the average density of the star in units of grams per cubic centimeter.
If an electric car is capable of going 220. km on a single charge, how many charges will it need to travel from Boston, Massachusetts to Miami, Florida, a distance of 1486 mi, assuming that the trip begins with a full charge?
Heisenberg Uncertainty Principle Use the Heisenberg uncertainty principle to calculateΔx for an electron withΔv = 0.120 m/s. By what factor is the uncertainty of the (above) electron's position larger than the diameter of the hydrogen atom?
Why +ve P.F. gives nuclear instability where as -ve PF gives nuclear stability? Explain
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