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How many milliliters of a stock solution of 2.00M KNO3 would you need to prepare 100.0 mL of 0.150M KNO3?
Write a balanced the rmochemical equation for the reaction with an energy term in kJ as part of the equation.
slurry is filtered over a filter paper in a Buchner funnel and weighed after drying. The following is found:Weight of bone dry filter paper = 0.25 grams. Bone dry filter paper and pulp = 6.55 grams. What is the consistency of this pulp slurry?
What is H in kJ for the process of freezing a 28.9 g sample of liquid silver at its normal melting point of 961 oC.
The same organism can grow on a medium lacking all three amino acids. Explain these observation(Biochemistry expalanation and detailed)
If the entropy of a collection of molecules in 50,000 boxes is 3.73E-20 J/K, how many molecules are there
In the tin oxide laboratory activity, what was the color of the vapor emitted when the nitric acid was added to the tin.
Determine the molar mass of chloroform gas if a sample weighing .389 grams is collected in a flask with a volume of 102cm cubed at 97 degrees Celsius. The pressure of the chloroform is 728 mmHg.
Determine how much heat is released at constant pressure if 471.0 g of NO2 is produced,?
whats the lewis dot structure for h2cch2? based on the structure predict the h-to-c-to-h bond angle. explain the reason
In a laboratory experiment, students synthesized a new compound and found that when 14.10 grams of the compound were dissolved in 208.0 grams of ethanol, the solution began to boil at 78.9510C
KCL has the same structure as NaCl, the length of the unit cell 638 pm the denstiy of KCl is 1.984 g/cm3 and its formula mass is 74.55 amu. what is avogadro's number?
We have learned that valence bond theory helps us to predict s and p bonding in molecules. All of the following statements about molecular bonding are true, but which statement best summarizes the most basic premise for bonding in a molecule?
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