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Problem- What is the concentration of nitrate ion in a solution made by mixing 100 mL of a 0.200 M HNO3 solution with 200 mL of a 0.100 M solution of Mg(NO3)2? (A) 0.133 M (B) 0.150 M (C) 0.167 M (D) 0.200 M
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A sample of 2.2 mol O2 (Cop,m = 29.355 J K-1 mol-1) is originally confined in 24 dm3 at 270 K and then undergoes adiabatic expansion against a constant pressure of 600 Torr until the volume has increased by a factor of 3.0.
how to break glass bottles where you soak yarn in acetone, tie it around the bottle, light it on fire for 20-30 seconds then submerge it in water and the glass seperates.
Triethyloxonium Tetrafluoroborate, (CH3CH2)3O+ BF4 - is a solid with melting point 91-92 degrees Celsius. Show how this reagent can transfer an ethyl group to a nucleophile (Nuc:-) in an SN2 reaction.
What mass of glucose (180.0 g/m) must be added to 0.50 kg of water to increase the boiling point of the solution by 2.0 degrees C?
A sample of gas is stored in 716 mL tank at 205 kPa and 300 K. The gas is transferred to a different tank with a volume of 925 mL and 325 K. What is the pressure of the gas in the second tank?
the reaction between silver nitrate and sodium chloride is found to have heat of reaction of -64 kj delta h of rxn -64
Cholesterol is a compound suspected of causing hardening of the arteries. A 5.02 g sample of cholesterol was analyzed, and the following data was obtained
Describe the preparation of 40 liters of 0.02 M , pH 6.9, starting from a 2 M H3PO4 solution and a 1 M KOH solution
Calculate the pressure of 1.00 mole of CH4 in a 1.00 L container at 300.0 K using first the vand der Waals equation
A power company burns approximately 474 tons of coal per day to produce electricity. If the sulfur content of the coal is 1.30% by weight.
Aluminum chlorhydrate is added to antiperspirants to stop people from sweating. If this compound contains neutral H2O molecules and Al3+, OH- and Cl- ions, and the formula of this compound is Alx(OH)5Cl 2H2O, what is the value of x in this formula
Compound A is a clear, colorless liquid with a molecular formula of C7H10. Upon treatment of A with H2 gas in the presence of Pd on Carbon, a single product B (C7H14) is obtained.
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