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An analysis of sodium dichromate gives the following mass percentages: 17.5% Na, 39.7% Cr, and 42.8% O. What is the empirical formula of the compound?
What volume of chlorine gas at 25.0 Celsius and 855 mm Hg of pressure is required to react with 84.0g of phosphorus as given
what is the temperature change if 84 joules of heat are added to a pure gold coin with a mass of fifteen grams? it is
Predict the probability P9v) that a molecule will have a given total velocity of more specifically P(v)dv is the probability that a molecule will have a velocity btwn v and v+dv.
How do you derive Michaelis-Menten equation? Not a specific problem but the general written out mechanism to get to an answer.
Which molecule: water or ethanol is "more" polar? (By "more polar" I mean which molecule will have a larger net dipole moment
Write the balanced chemical equation using the lowest possible whole number coefficients for Fe2O3+2Al = 2Fe+Al2O3.
Question about Thermochemistry, Consider the reaction: H2(g) + Cl2(g) yields 2HCl(g) Change Heat = -184.6
Consider the reaction of aluminum hydroxide with hydrochloric acid. This is a neutralization reaction. For every mol of aluminum hydroxide, how many mols of water are created from this reaction
IF the temperature remains constant but the pressure is changed, can the phase state be changed. Why or why not.
Calculate A for a process in which 0.160 mole of an ideal gas expands from 1.0 L to 3.5 L against a constant pressure
Nitric oxide (NO) reacts instantly with oxygen gas to form nitrogen dioxide (NO2), a dark-brown gas. 2 NO(g) + O2(g) 2 NO2(g)
this being in excess of the amount needed to neutralize both hydrogens of the H2C2O4. The excess NaOH required 12.62 mL of 0.1251M HClto reach the equivalence point. What was the weight % of H2C2O4 in the sample.
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