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How many water molecules are associated with a single salt molecule in a hexahydrate?
drinking water was determined in seven replicate measurements with the following results (in ppb): 1.84; 1.92; 1.94; 1.92; 1.85; 1.91; 1.97. What is the standard deviation of these measurements in ppb?
Please explain the following technical terms used in mass spectrometry: a) Molecular ion,
What are the three stages of glucose catabolism in oxidative cells? What are the products of each stage? Which products are linked to anabolism?
.4550 g of rock containing douglasite is treated by AgNO3. it took 37.20 ml of 0.1000 M AgNO3 to precipitate all Cl- as AgCl. Calculate the % mass of the mineral in the sample
A single circular loop of radius 0.15 m carries a current of 3.1 A in a magnetic field of 0.94 T.
From a consideration of the Lewis structure of the thiocyanate ion, in which carbon has a double bond with both the sulfur and nitrogen atoms, what are the formal charges on the sulfur, carbon, and nitrogen atoms are, respectively
A student sets up two reactions. Reaction 1 uses 0.170 mole/L of reactant, and Reaction 2 uses 0.460 mole/L of reactant. How many times faster is Reaction 2 compared to Reaction 1
An automobile gasoline tank holds 49kg of gasoline. When the gasoline burns, 172kg of oxygen are consumed and carbon dioxide and water are produced.
Describe the intermolecular force that must be overcome in converting the following from a liquid to a gas.
A volume of 5.0 mL of solution of sodium carbonate was analyzed and found to contain 6.34x10^-4 moles of carbonate ion. Calculate the molarity of sodium carbonate in the solution.
question carbon tetrachloride ccl4 and benzene c6h6 form ideal solutions. consider an equimolar solution of ccl4 and
A 2.89-L flask is filled with propane gas (C3H8), at 1.00 atm and -23.0°C. What is the mass of the propane in the flask?
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