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Explain what is the mass of the solid NH4Cl formed when 80.0 g of NH3 are mixed with an equal mass of HCl?
Explain what is the volume of the gas remaining measured at 14.0°C and 752 mmHg?
Why pure oxygen is often administered to victims of CO poisoning explain using le chatelier's principle? Hb (CO) aq + O2 aq is HbO2 aq + CO aq
Rates of reactions: Rate = k [A]^m [B]^n where the reaction time = 1 / Rate. Two chemical experiments were performed to determine the exponent "n". (We will assume that "m" is known).
For the endothermic equilibrium CaCO3(s) + NH4^(+)(aq) + SO4^(2+)(aq) -> CaSO4(s) + NH3(g) + HCO3^(-)(aq), explain the best set of changes to apply in order to increase product yield effectively.
All of the following substances can function both as bronsted acids and bases except: HPO4 2-, PO4 3-, H2O
Which set of the following choices contains all the true statments and none of the false statements? a) The H atom and Be3+ ion each have one electron. Their line spectra are identical.
Calculate the molality of a solution prepared by dissolving 112. grams of copper (II) sulfate in 450. mL of water at 25 oC
To estimate the percentage of all-trans-lycopene present in the original tomato paste, should you average the percentages obtaned by all the members of your team? If not, what should you do, and why?
Predict what you would expect to observe when each of the following substances is mixed with NaI/acetone. Would you expect a difference in their relative rates of reaction
aluminum oxide used as an adsorbent or a catalyst for organic reactions forms when aluminum reacts with oxygen.4als
calculate the equilibrium partial pressures of all gases in the reaction and set up the expression for Kp in terms of equilibrium partial pressures but do NOT solve.
Explain why hermitian operators are important in quantum mechanics. Use the expression for the momentum operator ˆpx to derive the expression for the kinetic energy operator ˆ Tx.
What is the work done in terms of the system?
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