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State five different chemical forms of cadmium that may be found in natural fresh water or seawater. For instance, Cd2+(aq), CdCl2(aq) and three more.
Using butane as your only carbon source, please propose a synthesis to make trans-2-ethyl-3-(1-oxoethyl)oxirane. any common reagent
using a gas sample of an ideal gas of .95 mol 3.00 atm and at 300 k expands from sixteen litres to twenty eight litres
Explain the prostaglandin precursor arachidonic acid has the molecular formula C20H32O2. Specified that arachidonic acid is an acyclic carboxylic acid that contains no carbon-carbon triple bonds explains how many carbon-carbon double bonds are pre..
A sample of natural gas at STP is 78.0 % CH4 and 22.0% C2H6 by volume. How much heat is produced from combustion of 1.60 L of this mixture. Assume ideal gas behavior and assume that the products of the combustion are CO2 (g) and H2O (l).
Find Delta Erxn for the combustion of naphthalene. The heat capacity of the calorimeter, determined in separate experiment, is 5.11 kJ/ C
Using the Clausius-Clapeyron Equation, estimate the melting temperature of ice below an adult wearing ice skates? How might this help someone skate? Some useful data: vL = 1.00 × 10?3 m3/kg hSL = 333.4 kJ/kg.
Carbon dioxide makes up approximately 0.04% of Earth's atmosphere. If you collect a 2.8 sample from the atmosphere at sea level (1.00 ) on a warm day (28), how many molecules are in your sample
calculate the diameter of the ball. The density of water is ?w = 1.000 g/cm3, the density of styrofoam is ?foam = 0.0950 g/cm3 and the acceleration due to gravity is g = 9.81 m/s2.
A 2.914-g sample of gypsum, a hydrated salt of calcium sulfate, CaSO4, is heated at a temperature greater than 170 Celsius in a crucible until a constant mass is reached.
Phosphoric Acid, H3PO4(aq) is a triprotic acid, meaning that one molecule of the acid has three acidic protons. Estimate the pH and the concentrations(M) of all species in a 0.450 M phosphoric acid solution.
Calculate the molar solubility of copper(II) sulfide in each liquid or solution. (See the table.) (a) pure water M (b) 0.43 M CuCl2 M (c) 0.17 M K2S M
the average osmotic pressure of blood is 12.3 atm at 27 degree c. what concentration of glucose will be isotonic with
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