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How many milliliters of water must be added to 350 mL of 0.840 M HCl to dilute the solution to 0.250 M?
What is the ground state electron configuration for Sulfur? What is the electron configuration for S^2-
State Lewis dot formulas for each of the following and understand whether they are linear, trigonal, pyramidal, bent or tetrahedral and if the molecule is polar.
the vapor pressure of a solution containing 53.6 g glycerinc3h8o3 in 133.7 g ethanol c2h5oh is 113 torr at 40.0 degrees
Is there a reference website that lists all chemicals and the less costly yet effective analysis method for determining concentrations of their ions
Density is mass per unit volume, commonly the amount of matter in one cubic centimetre of the material. What two properties of particles affect the density of the material they compose
Suppose you were tasked with producing some nitrogen monoxide (a.k.a. nitric oxide). I'm sure this is often requested of you. You can do it by combusting ammonia (be careful!). The equation would be as follows: 4NH3 + 5O 2→ 4NO + 6H2O. If you form ..
this gas is compressed to a volume of 286 mL and the pressure increases to 901 torr, what will be the new temperature of the gas (reported to three significant figures in °C)
if 5.00g helium gas is added to a 1.00-L ballon cantaining 1.00g of helium gas, what is the new volume of the ballon?
Ascorbic acid (vitamin C,C6H8O6) is a diprotic acid (ka1=8 x 10-5 and Ka2 = 1.6 x 10-12). Explain what is the pH of a 0.210 M solution of ascorbic acid
a 0.755 g sample of hydrated copper (II) sulfate was heated carefully until it had changed completely to anyhydous copper(II) sulfate (CuSO4) with a mass of 0.438 g. Determine the value of x
Explain why the wild horse analogy can be used to help explain a certain type of chemical bonding
After emptying the water and drying the flask, it was filled with ethylene glycol. it now weighed 338.72 grams. what is the specific gravity of the ethylene glycol?
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