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Require to know the volume of water in a small swimming pool, however, owing to the pool's irregular shape, it is not a simple matter to find out its dimensions ans compute the volume. To solve the problem, you stir in a solution of a dye 1.0g of methylene blue, C16H18CIN3S, in 50.0ml of water. Subsequent to the dye has mixed with the water in the pool you take a sample of the water. You find out that the concentration of the dye in the pool is 4.1 x 10-8M. Explain what the volume of water in the pool is.
When one mole of H20(g) is condensed to 1 mole of H20(l) at 1.00 atm and 100C, 40.66 kJ of heat is released. If the density of H20(l) at this temperature and pressure is .996 g/cm^3, calculate
What volume (in mL) of water must be added to a 1.87 M solution of iron(III) chloride to make a 55.9 mL of a 0.71 M solution? Assume the volumes are additive.
Show how to perform the following dilution using mathematics and a brief explanation of the preparation procedure. How many mL of a 3M NaOH solution would you need to measure out and dilute to make 3L of a 2.5 M NaOH solution. How many mL of water ..
What would be your average speed in cm/s?(c) what would be your time (in minutes:seconds) for 1500m? show your work
which effect on atomic size is more significant the nuclear charge or the energy level that electrons are filling?
A 125.0ml contains a gas at 27 degrees Celsius and 760mmHg of pressure. the gas is pumped into an empty 1.50L flask also at a temperature of 27 degrees Celsius. What is the pressure ( in atm) of the gas in the new flask.
Calculate the entropy change. What would be the value of S if the heating were carried out irreversibly?
During the coupling reaction with 2-napthol, why does the coupling (electrophilic substitution) occur only in the 1-position? Write resonance structures for 2-napthol in basic solution to justify elecrophilic attack at the 1-position
The ball travels straight upward. In the absence of air resistance, to what maximum height above the ground does the ball rise
Write structures for all the aldol condensation products you expect from the cross aldol condensation of 4-methyl benzaldehyde and 2-butanone(methyl ethyl ketone)
if 9.0L of NO are reacted with excess O2 at STP, what is the volume in liters of the NO2 produced?
What is the empirical formula of compounds: ethyne (C2H2) and styrene (C8H8). Explain the relationship between ethyne and styrene's empirical formulas and their properties.
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