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How much heat would be given off per mole of NaOH if 4.6g of NaOH dissolves to give off 755J of heat? How many grams of NaOH are needed to produce 88 kJ of heat? Please explain the steps to get the answer?
Differ from the ideal pressure? The value For N 2 gas is given as , a = 1.390 L2atm/mol2 and b = 3.910E-2 L/mol.
The volumes(45.01,45.05,45.07, and 45.33)ml were used to titrate a 50ml aliquot of a sample. would you reject any values at a 90% confidence interval. how about a 95% confidence interval
a 7.6730 kg ball of putty specific heat 0.37690 j k-1 g-1 initially at 297.38 k is dropped from a height 226.46 m. what
For each of the following reactions at equilibrium indicate if the equilibrium mixture contains mostly products mostly reactants or both products and reactants: a)2H2O(g) 2H2(g)+O2(g) Kc=4x10^-48. b)N2(g)+3H2(g) 2NH3(g) Kc=0.30. c)2SO2(g)+O2(g) 2S..
What is the mass of a glucose solution that fills a 0.500 intravenous bottle if the density of the glucose solution is 1.15 ?
Consider a steel tank whose volume is 49.0 L and which contains O2 gas at a pressure of 18100 kPa at 29°C. What volume would the gas occupy at STP?
The nature of the intermediates in E1 and Sn1 reactions are carbocations. If the molecule doesn't follow that formula then it has either double bonds or rings or both.
draw the structure of p-aminobenzoic, and show all importnant resonance structures for this molecule
What mass of each will be present in the air assuming the liquid and vapor are in equilibrium? The vapor pressures at 300 K are 3.2 kPa, 13.1 kPa, and 0.23 kPa respectively.
A voltaic cell is constructed with two Zn+2-Zn electrodes. The two cell compartments have [Zn+2]=5.00 M and [Zn+2]=1.00 x 10^-2 M, respectively. What is the standard emf of the cell?
A solution is prepared by disolving 0.60 g of nicotine (a nonelectrolyte) in water to make 12 ml of solution. The osmotic pressure of the solution is 7.55 atm at 25 celcius. The molecular weight of nicotine is HOW MANY g/mol
A saturated solution of potassium phosphate was filtered and then titrated. The concentration of [K+] was found to be 0.00956 M. What is the concentration of phosphate ions in this saturated solution
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