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The freezing point for t-butanol is 25.50 degrees C and kf is 9.1 degrees C/m. Usually t-butanol absorbs water on exposure to the air. If the freezing point of a 10.0 g sample of t-butanol is measured as 24.59 degrees C, how many grams of water are present in the sample
aluminum and oxygen react to form aluminum oxide. How many L of oxygen at 296K and 1.4 atm of pressure are necessary to form 3.25g of aluminum oxide.
What volume of 3.00M HCL in liters is needed to react completely (with nothing left over)
When 0.0172 mol HI is heated to 500 K in a 2 L sealed container, the resulting equilibrium mixture contains 1.9 g of HI. Calculate Kc for the decomposition reaction 2HI(g) *) H2(g) + I2(g) .
The final temperature of the gas, Would it be feasible to make ethanol, C2H5OH, by the following reaction ( under standard conditions and 25 degrees C)
How would the observed molarity of your experiment be affected by the following circumstances. (i.e. would it be higher than the true value, lwer than the ture vaule or remain unchaged?)
CS2(l) + 3 O2(g) -→ CO2(g) + 2 SO2(g) . If 1.18 mol of CS2 is combined with 1.55 mol of O2, identify the limiting reactant.
Methylated lidocaine, Lidocaine is thought to bind to receptors in its methylated form. Identify in writting the atoms or groups in the compound that could be involved in its binding to a receptor via- hydrogen bonding an ionic interaction
One mole of an ideal gas with Cv,m = 3R/2 initially at 325K and 1.5*10^5 Pa undergoes a reversible adiabatic compression. At the end of the process, the pressure is 2.50 * 10^6 Pa.
What is the percent recovery of caffeine from tea leaves in the procedure here? Compare the amount of caffeine isolated to the mass of the tea leaves.
write the formula of the conjugate base for each of the following acids: a)HCO3^- b)CH3-NH3^+ c)HPO4^2- d)HNO2 e)HBrO
How many grams of methane must be combusted to heat 1.15 of water from 26.0 to 87.0, assuming as a product and 100% efficiency in heat transfer?
how do you find the concentraton of an isotope from its molarity and molecular weight with no other factors
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