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Liquids "flow" quickly as measured by the speed at which a small amount of liquid will spread itself out to form a puddle. What does this behavior imply about the speeds at which the individual liquid particles are moving relative to each other? A. Liquid particles are moving very slowly B. Liquid particles are moving quickly C. Liquid particles are moving very quickly. D. Liquid particles are not moving relative to each other
how many grams of glucose must be dissolved in 563 greams of ethanol to prepoare a 2.40 x 10 -2 m solution?
What is the change in internal energy (in J) of a system that releases 675 J of thermal energy to its surroundings and has 7.60x10^2 cal of work done on it
An aqueous solution contains 12.5% NaCl by mass. What mass of water (in grams)is contained in 2.5L of the vapor above this solution at 55 celcius? the vaor pressure of pure water at 55 celcius is 118 torr.
A gas occupies 672 mL at 785 mmHg. What volume would it occupy at 453 mmHg at constant temp??
How much heat is evolved in converting 1.00 mol of steam at 145°C to ice at -50.0°C? The heat capacity of steam is 2.01J/g?°C and of ice is 2.09J/g?°C.
The density of lead is 11.4 g/cm3 at 25°C. Calculate the volume occupied by 25.0 g of lead.
What is the total volume of gaseous products, measured at 332°C and 732 torr, when an automobile engine burns 100. g C8H18 (a typical component of gasoline)? Answer needs to be in Liters
What is the pH of a buffer that consists of 0.20 M NaH2PO4 and 0.40 M Na2HPO4? Ka = 6.2 × 10-8
If 2.45 g of N2H4 reacts and produces 0.650 L of N2, at 295 K and 1.00 atm, what is the percent yield of the reaction?
suppose 2.3754g of copper(II) sulfate pentahydrate is heated to drive off the water of crystallization. Calculate what weight of anhydrous salt will remain?
Designing and preparing aqueous buffer solution with the pH indicated - Give complete details of the design and preparation of an aqueous buffer solution (volume 100ml) with the pH indicated.
Draw the structure of the isomer of C4H9Cl that is least reactive in an SN2 reaction. Do not consider stereochemistry.
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