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Particular solid is soft, a poor conductor of heat and electricity, and has a low melting point. Generally, such a solid is classified as
a. ionicb. metallicc. moleculard. covalent network
A gas is compressed from an initial volume of 5.60 to a final volume of 1.23 by an external pressure of 1.00 . During the compression the gas releases 125 of heat.
What volume of a concentrated HCl solution, which is 36.0% by mass and has a density of 1.179 g/cm3, should be used to make 5.1 L of an solution with a pH of 1.5.
A 100 ml sample of 0.10 M Ca(OH)2 is titrated with 0.10 M HBr. Determine the pH the solution after the addition of 300.0 ml HBr
Explain solubility rules used to predict precipitation reactions. Predict if precipitation occurs in the mixing reactions of the following aqueous solutions
How many grams of cholesterol does a person with a blood volume of 4.60 L have circulating in his or her blood?
A 355 m-L container holds .146 g of Ne and an unknown amount of Ar at 35 degrees C and a total pressure of 626 mmHg. Calculate the moles of Ar present.
Find the volume of a gas inside a cylinder - What will be the resulting volume of this gas?
In the titration of an impure sample of KHP, it was found that 30.6 mL of 0.100 M NaOH was required to react completely with 0.745 g of sample. What is the percentage of KHP in this sample
The recovery of CaCo3 was attempted by adding #m H2SO4 instead of 3M HCL to the SiO2/ CaCO3 residue.
The orbital energy of any atomic species depends on factors other than the principle quantum number n and any given energy level in H is more stable than the same level in H+.
a lead fishing weight with a mass of 41 g absorbs 146 cal of heat. if its initial temperature is 54degc what is its
How much energy would be absorbed as heat by 75 g of iron when heated from 295 K to 301 K? (Cp for iron=0.449 J/g*C)
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