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Chemical Kinetics - Determine the time taken by a reactant to reach a particular concentration, knowing the rate constant of the reaction.
A reaction that is of first order with respect to reactant A has a rate constant 6 min-1. If the initial concentration of A is 5.0 mol L-1, when would the concentration of A reach the value of 0.05 mol L-1.
The air track carts in the figure are sliding to the right at 1.0 meter per second. Find the speed of the carts.
Chemistry Questions on Calculate P H
Draw Lewis dot structure and predict molecular geometry - Show the Lewis structures of the following molecules and then predict their geometry.
Find the new volume of the gas sample - What is the new volume of the gas sample
Find the mass of the substance and the volume of a gas in a reaction - determine the mass of solid ammonium nitrate that must be used to obtain 0.145 L of dinitrogen oxide gas at STP.
Analysis of corrosion mechanisms and preventative measures
Multiple choice questions in free energy change and What is the free energy change in kJ/mole?
Write balanced chemical equation and evaluate the molecular weight of the reactants and Calculate the molecular weights of the reactant.
What is the structure (including functional groups)? Stereochemistry (racemic or single enantiomer)?
Multiple choice questions in Nuclear reactions - make nuclear fission more efficient, which device is used in a nuclear reactor to slow the speed
Fundamentals of acids and bases - Water self ionizes to a small extent creating equal concentrations of hydronium and hydroxide ions. Find the molar concentration of these ions in water at 25 o C?
Use of fossil fuels - Should we be burning the raw materials for medicine and polymers? Where will we be in 50 years on this issue?
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