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Explain what would happen if Manganese dioxide was mixed with Potassium iodide and 9M sulfuric acid?
Calculate the pH at the points in the titration of 40.00 mL of 0.425 M NH3 for the reaction below. NH3(aq) + HNO3 ? NH4+(aq) + NO3?(aq) For NH3, Kb = 1.8x10-5.
How many mL of 5.0 M NaOH can be added before its buffering capacity is exhausted?
Consider the following (unbalanced) general reaction equation. HI(g) + Cl2(g) reverse reaction arrow HCl(g) + I2(s). balance the reaction equation
what is the skeleton equation for heating copperii sulfide in the presence of diatomic oxygen produces pure copper and
calculate the molar mass of the solute (acetic acid) and suggest what the structure might be.
A solution of 0.0385 M hypochlorous acid, HOCl, has a pH of 4.47. Calculate the acid dissociation constant Ka.
protein used as standards on an SDS- polyacrylamide gel are 0.80 and 0.41, respectively. What is the apparent mass of a protein having a mobility of 0.62 on this gel?
why conceptually does the ground state for the particle in the box model correspond to n1 while for the harmonic
1.how many significant digits can be obtained from this instrument?2. what is the appearance of the flame when the air
Needs a minimum of 216.4 kJ/mol to remove an electron from a potassium metal surface. If UV lights at 227 nm strikes this surface, explain what is the maximum speed (in m/s) of the ejected electrons?
given this equation 2C4H10+13O2 yield 8CO2+10H2O how many moles of carbon dioxide is porduced from 3.85 moles of butane?
Write the chemical equation for the reaction of carbonic acid (H2CO3) with water. Write the balanced chemical equation for the reaction of the weak acid HCN with water. Include the phase of each species.
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