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Benzoic acid, C6H5COOH, is sometimes used for the standardization of solutions of bases. A 1.722-g sample of benzoic acid reacts with 26.47 mL of a NaOH solution. What is the molarity of the base solution?C6H5COOH + NaOH ? C6H5COONa + H2O
The reaction x = Y is first -order overall and first-order with respect to the reactant x. The result of doubling the initial concentration of X will be to
2 nh3g co2g --gt h2nconh2s h2ogammonia gas at 223degc and 90. atm flows into a reactor at a rate of 550. lmin. carbon
A solution of only A is made that is initially 0.800 M. After the solution is allowed to reach equilibrium, it is determined that the concentration of B is 1.20 x 10^-4 M. Use this information to determine the equilibrium constant for the reaction..
Calculate the standard enthalpy of formation of gaseous diborane (B2H6) using the following thermochemical information
Explain why cis dichloroethene has a boiling point of 60 degrees C while trans - dichloroethen has a boiling point of 48 degrees C.
If the two flasks are connected through a stopcock and the stopcock is opened, what is the partial pressure of helium?
The pH of a sodium acetate-acetic acid buffer is 5.30. Calculate the ratio [CH3COO-]/[CH3COOH].
your stomach is a chemical reactor. when you consumea fast food 0.99 hamburger in about a minute it acts like
There are 0.30 mol SrCl2 in every liter of solution. Calculate the number of moles of SrCl2 that were added. What is the limiting reactant?
Describe how you would prepare the following aqueous solution: 230 g of a solution that is 0.60 molal Na2CO3 starting with the solid solute.
Show how a buffer system will not drastically change its pH by addition of a certain amount of a strong acid or base. Use 0.50 M buffer system and show how the pH will change upon addition of 10.0 mL each of ) 0.10 M of HCl or NaOH. Use any combin..
when sodium reacts with chlorine 411 kjmol is released. calculate the amount of heat released if 1.37 mol of sodium
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