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If 5.25mL of 0.1000 M NaOH solution is needed to just neutralize excess acid after 20.00 mL of HCl was added to 1.00 g of an antacid, how many moles of acid can the antacid counteract per gram?
A gas occupying a volume of 246 mL at a pressure of 0.970 atm is allowed to expand at constant temperature until its pressure reaches 0.541 atm.
what is the purpose of the trail titration. describe the endpoint of the a titration. how will you know when you have reached it. explain why the walls of the flask are washed with distilled water during the titration.
Naphthalene is a hydrocarbon that is commonly found in mothballs. Naphthalene is 93.75% carbon by mas. If Naphthalene's molecular formula is twice its empirical formula , What the molar mass
What is the equilibrium concentration of N2 in water when the pressure of N2 above the solution
Calculate how much energy in the form of heat is available from 100mL of this mixture and compare it with the amount from pure gasoline.
if you added 75.0 ml of a 0.555 M solution of NaCl to enough water to produce 950.0 ml of solution, what would be the resulting molarity?
Determine the trend in sizes of the ions O 2- ,N 3- , F - and also explain why does the trend exist? Also describe which of the molecules contains polar covalent bonds but is NOT itself a polar molecule?
An important space shuttle mission has been interrupted with an emergency that will delay the return of the crew to earth indefinitely. You are an emergency team that has been assigned the task of determining how long the crew can survive before c..
Nitric oxide, oxygen, and nitrogen react by the following equation. 2 NO(g) N2(g) + O2(g)Kc = 2.3 10^30 at 298 K
What minimum amount of AX(s) lattice energy might lead to compound formation if you predict that the following hypothetical ionic compound AX is unlikely to form. In this compound, A forms the A+ cation, and X forms the X anion.
The test tube contained some water (besides the metal) that was subsequently added to the calorimeter. Considering a higher specific heat for water, will the temperature change in the calorimeter be higher, lower, or unaffected by this technique e..
Draw the structure of the major organic product you would expect from the reaction of 1-bromopropane with KOC(CH3)3.
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