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Acetylene (C2H2) and a hydroxide can be made by reacting calcium carbide (CaC2) with water. a) write a balanced equation for the reaction. b) what is the maximum amount of heat (in joules) that can be obtained from the combustion of acetylene, starting with 61.4g CaC2? delta H f (CO2) = - 393.5 kJ/mol delta H f (C2H2) = 226.6 kJ/mol delta H f (H2O) = -285.8 kJ/mol
the following interactions can contribute to the intrinsic binding energy during enzymatic catalysis? Choose all that apply.- hydrogen bonding
Just based on the orbital occupancy of electrons, is it justifiable to distinguish between the transition and inner transition elements? Should we consider any other factors?
calculate the purity of the ammonium chloride in the sample.
the growth rate drops 6 orders of magnitude and effectively reduces the crystallization rate to zero. Calculate the self-diffusion of this alloy system.
What is the total pressure in a 20.0 L flask 20.0°C, which contains 0.127 moles of H2 and 0.288 moles of N2?
Hypohalic acid, HOX, is a weak acid with a Ka of 3.341x10-8. What is the pKb for the hypohalite anion, OX-, in a 0.8865 M solution of KOX
What would you observe if Cu2+ and Bi3+ was treated with 6M NHO3 rather than concentrated NH3
A system comprised of 2.900×10^1 g of Ne(g) cools from 170.0°C to 45.0°C at a constant pressure of 5.5 atm. The molar heat capacity at constant pressure for Ne(g) is 20.80 J K?1 mol?1. calculate q,w,delta E, ANDdelta H
has freezing point depressiom constant of 42.8 C/molal .if you mix 29.67 grams of camphor with 4.28 grams of triose (C18 H32 O11), wht will be the new melting point of the mixture
Determine the limiting reactant and also calculate how much of the gas is produced?
Calculate the pH of a 1.00 L solution which is made up of 0.046 mol acetic acid and 0.026 mol sodium acetate.
The reaction is thought to follow second order kinetics which follows the relationship 1/[A]=1/[A]0+kt where [A] is the molarity at time, t, and [A]0 is the initial concentration.
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