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A gas expands in volume from 35.2 mL to 82.7 mL at constant temperature. Calculate the work done (in joules) if the gas expands against a constant pressure of 4.0 atm.
What is the minimum mass of ethylene glycol (C2H6O2) that must be dissolved in 14.5 kg of water to prevent the solution from freezing at -15.2 F
A chemistry lab experiment requires 36.3 g of silver nitrate. How many grams of a 12.5% by mass solution of silver nitrate should be used?
What is the hydrogen ion concentration of a solution when 2.334ml of acetic acid (60.05 g/mole) and 2.082 grams of sodium acetate (82.04 g/mole) are added to 500ml of water?
the diameter of a helium atom is about 1102pm.supposethat we could line up helium atoms side by side in contact with
Calculate the 1/2 life for the decomposition of co2 which is first orderwithnrespect to co2 at 1000degree k with k=1.8x10to-13degree sec
36 grams of an impure zinc sample are reacted with excess hydrochloric acid and 10 l of hydrogen gas are collected at
Paradichlorobenzene, C6H4Cl2 is a component of mothballs. A solution of 2.00 g in 22.5 g of cyclohexane boils at 82.39 C . The boiling point of pure cyclohexane is 80.70 C. Calculate Kb for cyclohexane. Express the constant numerically in degrees C..
Exactly 100 mL of 0.10 M nitrous acid (HNO2) are titrated with a 0.10 M NaOH solution. Calculate the pH for the following. (a) the point at which 80 mL of the base has been added
A piece of silver with a mass 374g has a heat capacity of 88.5J/degrees C. What is the specific heat of silver
Calculate the concentrations of all species in a 0.225 M solution of phenylammonium chloride, C6H5NH3Cl.
I know it is a dilution problem but I am lost other than that. Please help. The concentrations and final volumes were given in a table and paired by the way.
Draw the Lewis structure of the molecule, assuming that the Cl atoms bond to a single C atom and that there is a C-C bond and two C-O bonds in the compound.
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