General Chemistry Answers

n ideal gas,

Cp=(7/2)R and Cv=(5/2)R is changed from P1= 1bar and V1=12 m3 to V2=1m3 by the

following mechanically reversible processes: a. isothermal b. adiabatic followed by cooling at constant

Temperatur

e c) adiabatic followed by cooling at constant volume d) heating at constant volume followed

by cooling at constant pressure e) cooling at constant pressure followed by heating at constant volume.

Find Q,W,ΔU,ΔH.

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Determine the total acidity (HC₂H₂O₂; formula mass =60.0 g/mol) in a vinegar sample using phenolphthalein indicator if 1g of vinegar requires 7.50 mL of 0.1005 M NaOH solution.

Using the chemical equation: B2H6 + 3O2 -> 2HBO2 + 2H2O. How many grams of HBO2 are needed to react completely with 42.7 grams of O2?

Using the chemical equation: 2 Ca3(PO4)2 + 6SiO2 + 10C -> 6CaSiO3 + P4 + 10CO. Calculate the minimum mass of Ca3(PO4)2 required to produce 69.8 grams of P4.

calculate the percent composition of carbon in the compound C10H22.

An important reaction in the formation of photochemical smog is the photodissociation of NO2:

NO2 + hv-----NO(g) + O(g)

The maximum wavelength of light that can cause this reaction is 420 nm.

What is the maximum strength of a bond (E), kJ/mol that can be broken by absorption of a photon of 420 nm light

What is the balanced chemical equation for this reaction??

NaC₂H₃O_2(aq)+HNO_3(aq)---->

Thank you!

The NN bond in H₂NNH₂

________________ is energy due to motion. __________________ is due energy stored and _________ be measured. _______________ can be measured.