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One isotope has a mass of 44.0 amu and has a neutral abundace of 69.5% while the other isotope with the mass of 46.08 amu. What would we expect the average molar mass to be.
A weak acid with the general formula of HA will react with a base, such as NaOH. Write the neutralization equation which describes the reaction.
If 435 grams of water at 23 celcius abssorbs 281 kJ of heat froma mountain climber's stove at an elevation where the boiling point of water is 87 celcius
State how much oxalate unknown should the student weigh out in order to use 35.0mL of permanganate solution?
A mixture of 6.00 g He and 22.0 g Ne has a pressure of 530. mm Hg. What is the partial pressure of each of the gases?
Why was cold deionized water added to the reaction mixture rather than hot water, and what is the purpose of acetic acid?
calculate the unknown concentration for the analyte noted as (xM) from the potential data given at 25 oC Pt/Fe 2+ (0.05 M)//Ag+ (xM) /Ag.
How many moles of CS_2 are produced if 6.85 mol C and 2.95 mol SO_2 are reacted together
Calculate the entropy and Gibbs energy of mixing when the partition is removed. Assume that the gases are perfect.
A gas bottle contains 0.650 mol of gas at 730 mm Hg pressure. If the final pressure is 1.15 atm, how many moles of gas were added to the bottle.
A mix contains 0.540 mol He (g) , 0.420 mol Ne (g) , and 0.050 mol Ar (g). Placed in 1 Liter container at 25*C.
solution of NaCl are mixed together, and a precipitate forms. Which are the spectator ions in this reaction?
Explain why alcohols such as ethanol and propanol are soluble in water, butanol is moderately soluble and pentanol is slightly soluble
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