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What is the unit of heat in the British system, and how does it compare in magnitude with metric units? What does the specific heat of a substance tell you when you compare it to the specific heat of another substance?
The pKb values for the dibasic base B are pKb1 = 2.1 and pKb2 = 7.6. Calculate the pH at each of the following points in the titration of 50.0 mL of a 0.95 M B(aq) with 0.95 M HCl(aq).
Use your calculated densities to find the mass of NaCl in you 15 mL saturated NaCl solution. You will need to use dimensional analysis and the solubility of 36gNaCl/100mL of water to solve for the mass of NaCl. You can assume that there is min..
A solution contains 0.000750 M La^+3 and 0.00385 M Ba^+2. Sodium iodate (NaIo3) is added to from precipitate. Which metal will begin to precipitate out first
A sugar syrup solution contains 15.0% by mass of sucrose C12H22O11. The syrup has a density of 1.06 g/ml
Given chemical reaction is used to produce electricity in lead storage battery that used in automobiles generally.
To prepare 100 mL of a 0.500 M solution of this hydrated form requires 0.0500 moles of this salt. Calculate the grams of this compound that equals 0.0500 moles, showing all your calculations.
To what volume should you dilute 55 mL of a 12.0 M \rm H_2SO_4 solution to obtain a 1.55 M \rm H_2SO_4 solution
Order the following compounds according to their expected lattice energies: AlBr^3, MgBr^2, LiBr, CaO
Calculate the equilibrium concentration of all the gases. This is the equation: 2NO(g)+2H2(g)=> N2(g)+2H2O(g). ( My instructor said that using the ICE table is a good method. if that helps in any way)
The reaction below reaches equilibrium in a closed reaction vessel. The enthalpy change for the forward reaction is +135 kJ/mol. Does the mass of Na 2 CO 3 increase, decrease or stay the same if the mixture is transferred to a smaller reaction ves..
a solution of 4.93 g of a carbohydrate in 100.0 g of water has a density of 1.017 gml and an osmotic pressure of 3.36
Ammonium nitrate decomposes to N2O and water at temperatures between 250 deg. celcius and 300 deg. celcius. write a balanced chemical recation describing the decomposition of ammonium nitrate, and calculate the standard heat of reaction using the ..
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