Collection. 111 ideas for motorists. Part Four.
The material is very useful not only for experienced motorists and beginners, but just out of...
http://store.steampowered.com/app/325370/ STEAM KEY REGION FREE GLOBAL
To determine the cell constant, it was filled at 20°C with a 0.1000 M solution of potassium chloride. The resistance was 324.2 ohms. After filling...
51. When titrating a solution of BaCl2 0.2000 n. H2SO4 received the following data on the scale of a high-frequency instrument: V H2SO4, ml...
The decomposition of hydrogen peroxide H2O2 = H2O + 1/2O2 is a first order reaction. At 7 °C, the half-life is 10 minutes. How many liters of oxygen...
For the reaction Zn(t) 2AgO(t) = ZnO(t) Ag2O(t), the EMF value is known to be 1.83 V at 25 C, the temperature coefficient dE/dT= 5.7*10^-5 V/K...
Determine the free surface energy of heptane in a tank with a diameter of 100 m if the surface tension of heptane at 20 °C is 21.1 mN/m.
In the coulometric analysis of 1.5 g of the alloy in order to determine the cobalt in it, 0.0755 g of silver was isolated in a silver coulometer...
Determine the surface activity of acetic ethyl ether from the following values of the surface tension of its aqueous solutions at 298 K: С, mmol/l...
Calculate the flow potential that occurs when ethyl alcohol is forced through a barium carbonate membrane under a pressure of 9.81 * 103 Pa, if the...
When studying the attenuation of blue light by mastic sols, the following data were obtained: Sol concentration, % 0.6 0.2 0.08 0.04 Layer thickness...
50. A sample of the alloy weighing 0.1938 was dissolved in hydrochloric acid and magnesium was precipitated with sodium hydrogen phosphate in an...
Calculate the fast coagulation constant of sulfur sol under the action of aluminum chloride using the following experimental data. Write the reaction...
At 25°C, the EMF of the reaction Cd(t) PbCl2(aq) = CdCl2(aq) Pb(t) is 0.1880 V, the temperature coefficient dE/dT = –0.48 mV/K. Calculate the change...
79. Determine the thermal effect of the combustion reaction of 184 kg of acetone CH3COCH3 to carbon dioxide and water according to the enthalpies of...
Determine the Michaelis constant and the reversal number of the enzyme α-chymotrypsin in the hydrolysis reaction of N-acetyl-L-valine methyl ester...
49. The reaction of the interaction of acetic anhydride with water is a first order reaction (15 ° C): (CH3CO) 2O H2O \u003d 2CH3COOH. At the initial...
86. Plot the dependence of the reduced osmotic pressure π / Cm on the concentration of a solution of a copolymer of styrene and methacrylic acid in...
6(3). In the determination of furfural in a mixture by gas chromatography, its peak area Sfurfural was compared with the peak area of o-xylene...
37. A weighing of technical Na2SO3 weighing 0.4680 g was added to 100 ml of a 0.1000 N solution of I2 (feq (I2) = 1/2). The excess of iodine was...
3.1 To build a calibration graph, we dissolved identical weights of four standard samples of steel containing chromium, took their polarograms and...
4. A solution of potassium dichromate with a volume of 20 ml was titrated with iron (II) ions generated at a current strength of 0.35 A for 20...
After purchasing this product, you will receive a licensed WARTHUNDER account with equipment 111 - 200 War Thunder is a computer multiplayer online...
✅ The account will have WZ-111 model 5A ✅ Launcher for the game - Wargaming. The region of accounts is Europe. ✅ This product often comes across a...
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