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An unknown amount of water is mixed with 370mL of a 6M solution of NaOH solution. A 75mL sample of the resulting solution is titrated to neutrality with 50.7mL of 6M HCl. Calulate the concentration of the diluted NaOH solution. Answer to units of M. What volume of water was added to the 370mL of NaOH solution?
The rate constant for a certain reaction is = 5.70×10-3 s^-1. If the initial reactant concentration was 0.650 M, what will the concentration be after 14.0 minutes.
What velocity would an electron 9.11*10^-31 kg need for its de Broglie wavelength to be that of red light 745nm ?
Consider the equilibrium represented by the following equation: Heat + H2O(l) H2O(g) in which T=373K, P=101kPa Which of the following will favour the reverse reaction? (a) The total volume of the system is increased
Consider the following equilibrium process at 686°C: CO2(g) + H2(g) ? CO(g) + H2O(g) The equilibrium concentrations of the reacting species.
Titrations: Finding Concentration, A 35.00 mL solution containing an unknown concentration of pyruvic acid required 25.13 mL of 0.2011 M NaOH to reach the end point.
What is the empirical formula of a compound that is composed of 1.67 g of cerium and 4.54 g of iodine.
A solution is prepared by dissolving 294 g of sucrose (C12H22O11) in 624 g of water. What is the vapor pressure of this solution at 30°C? (The vapor pressure of water is 31.8 mmHg at 30°C.
a 97 gram solution of silver nitrate contains 21 grams of AgNO3. what is the percent by mass of silver nitrate in this solution?
Model symmetry, Construct a model* in which a tetrahedral (sp 3) carbon atom (black) has four different model atoms attached to it. Use the light blue ball, red, blue
Identifying and balancing the different types of chemical reactions. Evaluate which processes represent chemical reactions.
If 3.8kcal of energy is released when 1 gram of glucose is combusted, how many kcals are released when 0.689 moles of glucose are combusted
Question about Thermochemistry, Consider the reaction: H2(g) + Cl2(g) yields 2HCl(g) Change Heat = -184.6
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