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Question- The densities do sodium chromate and sodium hydroxide are 4.89g/mL and 0.99g/mL. Which has greater volume, 10g of sodium chromate or 10g of sodium hydroxide? What is the volume of each?
Explain each and every step in detail. I need proficient help in the above problems.
A 4.98 g sample of aniline C6H5NH2, molar mass = 93.13 g/mol was combusted in a bomb calorimeter with a heat capacity of 4.25 kJ/°C. Explain if the temperature rose from 29.5°C to 69.8°C, find out the value of H°comb for aniline.
if 2.15 g of an unknown solid nonelectrplyte is dissolved in18.1 g of naphthalene the resulting solution is
What will be the volume of HCl 0.2750M, measured by burette, needed to consume all of the Calcium Carbonate that is contained in a block of that material that has dimensions of 2.5 x 1.0 x 0.5 inches
what is the global pH change incurred after injection of the HCl? What would the pH change be if this same amount of 1.000 M HCl were put into a gallon of pure water?
the pain reliever phenacetin is soluble in cold water to the extent of 1.0 g 1310 ml and soluble in diethyl ether to
Calculate the mass of nitrogen dissolved at room temperature in an 81.0L home aquarium. Assume a total pressure of 1.0 atm and a mole fraction for nitrogen of 0.78.
Explain when solutions of cobalt (II) chloride and carbonic acid react, which of the following terms will be present in the net ionic equation
Explain why the Rf values changed when the eluant was changed from 100% petroleum ether to a 95:5 mixture of petroleum ether-ethyl acetate.
After the removal of the solid the solution was made basic and more H2S was added and a dark precipitate again formed. Treatment of the filtrate with (NH4)2CO3 resulted in a white precipitate. If no further test were made then what conclusions can..
Calculating the concentration of the acetate ion when dissociation of acetic acid occurs in water and over varying pH conditions?
What volume of O2 gas (in L), measured at 782 mmHg and 25C is required to completely react with 53.2 g Al
A water sample was found to contain [Ca2+]=35 mg/L and [Mg2+]=20 mg/L. Determine the water hardness in terms of mg/L CaCO3.and state whether it has low, medium or high hardness.
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