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Which of the following ground state ions is/are diamagnetic?
I. Fe ^2+ II. Zn ^2+ III. Cu ^+1 IV. Ni^2+ V. V^3+
a) I, IV only b) I, III only c) I only d) II, III only e) IV, V only
Sodium bicarbonate is called baking soda because when heated, it releases carbon dioxide gas, which is responsible for the rising of cookies, doughnuts, and bread. Calculate the volume (in liters) of carbon dioxide by heating 4.37 g of sodium bica..
A 10.0 L gas cylinder has been filled with 7.40 moles of gas. You measure the pressure to be 3.90 atm. What is the temperature inside the tank
In an experiment 1.550g of mercury oxide decomposed to give oxygen gas and 1.435g of liquid mercury. What is the empirical formula of mercury oxide
At 298K, the osmotic pressure of a glucose solution is 10.50 atm. Calculate the freezing point of the solution if the density is 1.16g/mL.
what is analytic
a 40.0 mass percent solution of ethylene glycol c2h6o2 in water has a density1.0514gml. find the molality
A color change in the reaction mixture occured after 40 seconds. A. Assuming 25 drops per mililiter for all solutions, determine the inital molar concentration of HIO3
A 15.0 gram sample of chromic acid is dissolved in enough water to produce 275 mL of solution. The concentration of the solution is ?
34.62mL of 0.1510M NaOH was needed to neutralize 50.0mL of an H2SO4 solution. What is the concentration of the original sulfuric acid solution?
Given the values of ?Gfo given below in kJ/mol, calculate the value of ?Go in kJ for the reaction at 298 K.: 3 NO2(g) + H2O(l) => 2 HNO3(l) + NO(g) ?Gfo (NO2) = 51.0 ?Gfo (H2O(l)) = -235.3 ?Gfo (HNO3) = -81.7 DGfo (NO) = 86.8
How many outer atoms and lone pairs are present in a molecule with a see-saw geometry
what volume in milliliters of a 0.141 solution is required to reach the endpoint in the complete titration of a 16.0
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