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The vapour pressure of a substance at 20? is 58.0kPa and its enthalpy of vaporization is 32.7 kJmol-1. Estimate the temperature at which its vapour pressure is 66.0kPA
Cu+(aq) + 2 Cl ?(aq) reverse reaction arrow CuCl2?(aq) K = 8.7 104. Calculate the solubility of copper(I) chloride in 0.36 M NaCl.
a mass of 47.5 g of h2os at 273 k is dropped into 225 g of h2ol at 298 k in an insulated container at 1 bar of
Write a balanced chemical equation for this reaction when Ferrophosphorus reacts with pyrite making iron (ll) sulfide and a compound that is
What mass, in grams, of chlorine gas (Cl2) is contained in a 15.5 liter tank at 25.5 degrees Celsius and 1.98 atmospheres can you walk me through the steps?
Predict the formula and name of a binary compound formed from the following elements: (a) Na and H, (b)B and O, (c) Na and S, (d) Al and F, (e) F and O, (f)Sr and Cl.
a sample containing 1.50 moles of neon gas has a volume of 8.00 liters. what is the new volume if 25.0g of neon is
What mass of magnesium, in reaction with an excess of hydrochloric acid, is needed to produce 128 mL of hydrogen (H2) gas. The H2 gas is collected over water at a temperature of 25°C and a total pressure (PBR) of 762 mmHg
Question- Given that Kw for water is 2.4× 10-14 at 37 °C, compute the pH of a neutral aqueous solution at 37 °C, which is the normal human body temperature.
A sample of a smoke stack emission was collected into a 1.25-Ltank at 752 mm Hg and examined. The analyzed showed 92%CO2, 3.6% NO, 1.2% SO2, and 4.1%H2O by mass. Explain what is the partial pressure exerted by each gas
.1500g of an unknown sample was passed through a column of amberlite-ir-200 resin and titrated with .2050m naoh. if
According the Michaelis-Menten mechanism, the dependence of enzymatic reaction rates on substrate concentration [S] is Answer A. zero order at low [S] and first order at high [S] B. first order in [S] as long as substrate is at saturating concentr..
What would be the expected effect on yield if only one mole of diethylamine per mole of alpha-chloro
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