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A zero-order reaction has a constant rate of 4.60×10?4 M/\rm s. If after 70.0 seconds the concentration has dropped to 6.50×10?2 M, what was the initial concentration?
Explain why the element bromine prefers to have its two atoms form covalent bonds rather than ionic bonds
A mixture of 70 mole% butane and 30 mole % hyrdrogen is burned with excess air. Fractional conversion of 85% of the butane and 90% of the hydrogen are achieved
Considering the following equation, how many moles of water will be made by fully reacting 12 moles of NH3?
What volume of 1.00M HCl in liters is needed to react completely (with nothing left over) with 0.750L of 0.100M Na2Co3
The sodium hypochlorite reacts with hydrochloric acid producing chlorine gas. What is the reducing agent in this reaction
Calculate the pH at the point when no titrant was added and at the end point in the titration of 0.200 M potassium hydrogen maleate (abbreviated as KHM) with 0.200 M sodium hydroxide
The standardized perchloric acid solution is then used to titrate 41.10 mL of a solution of sodium lactate (NaC2H5OCOO). An endpoint is reached when 18.22 mL of perchloric acid has been added.
Determine the root-mean-square speed of CO2 molecules that have an average kinetic energy of 4.21*10^(-21) J per molecule.
What is the theoretical yield of aspirin in an experiment if you start with 2.0 g of salicylic acid and 5.0 mL of acetic anhydride (density = 1.08 g/mL)
Determine that how many moles of molecular hydrogen are used per mole of the precatalyst in order to convert it entirely to platinum metal?
Eugenol can also be isolated from cloves using extraction with CO2. discuss the advantages and disadvantages of distillation versus CO2 extraction.
If a system has 2.50 × 102 kcal of work done to it, and releases 5.00 × 102 kJ of heat into its surroundings, what is the change in internal energy of the system
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