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When it is fully combusted, 0.01 mol of a noncyclic alkane X, gives 0.72g of water....
Which of the following pairs of compounds may be distinguished by chemical test using the reagents indicated? HCOOH and CH3COOH: Reagent- NaHCO3 CH3COCH2CH3 and O CH3COOCH2CH3: Reagent- Tollen's reagent O CH3CH2CHO and CH3CH2COOH: Reagent- Ammonia O CH3COOCH3 and HCOOCH2CH3: Reagent- Jones reagent O CH3CH2CHO and CH3COCH3: Brady's reagent When it is fully combusted, 0.01 mol of a noncyclic alkane X, gives 0.72g of water. What is the empirical formula of X? O C2H5 O C5H12 O C3H8 O CH3 O...
An organic compound X was found to contain only C, H, and Cl. The following experiments were carried out with compound X: 1) When a 1.50-g sample of the compound was completely combusted in air, 3.52 g Co, was formed. 2) When a 1.00-8 sample of the compound was allowed to react with an excess of Ag, 1.27 gof AgCl was obtained Determine the empirical formula of compound X. ОСН4С O CH4Cl2 Осенсі 0 C₃H₂ Ch Оснсі Question 25 3.5...
Identify the strongest intermolecular force in the compound KHSO4. O lonic forces Dipole-dipole Hydrogen bonding lon-dipole London dispersion forces What intermolecular force or bond is responsible for the density of solid water (ice) being less than that of liquid water? London dispersion forces O lonic bonding Covalent bonding Dipole-dipole forces Hydrogen bonding Which of the following compounds would have the strongest intermolecular attractive forces ? 0 CH3-NH-CH2-CH3 CH3-CH2-CH2-OH O CH3-CH2-O-CH3 O CH3-CH2-CO2H CO2 A 0.258-9 sample of a pure triprotic...
2.) The electrophoretic mobility of colloid particles was measured in a 0.01 mol/dm3 KCI 4 x 10-8 m2/s V. solution and determined to be u Find K fronm the formula K-2.32 x 109 (21)1/2( mrl) (4 points) a. b. For a particle of radius 500nm, what is KR value? (4 points) If KR << 1, ζ 3ηυ/2e, or if KR >>1, then ζ-nu/e. Find the zeta (5) potential in V for particle of radius 500 nm by choosing appropriate formula...
6. Sulfur dioxide from coal-fired power plants combines with water in the atmosphere to produce acid rain. What is the product when one molecule of SO2 reacts with one molecule of water? A. two molecules of sulfurous acid D. one molecule of sulfuric acid B. one sulfate ion E. one molecule of sulfurous acid C. two sulfite ions 7. Identify the correct statement regarding the mole. A. A mole of oxygen gas contains 6.02 x 10 atoms B. A mole...
3) Methylhydrazone, CH6N2, is commonly used as rocket fuel. When 3.71g of methylhydrazine is combusted in a "bomb" calorimeter containing 1500g of water, the temperature rose from 25.0°C to 39.5°C. If the reaction produces 1.30 x 103kJ/mol CH6N2, what is the heat capacity of the calorimeter? Specific heat capacity of water is 4.184J/g °C CHN2() 5 O2(g) 2 N2(g) 2 CO2(g) 6 H2O(l) d) 3200J/oC b) 950J/oC e) 5400J/oC a) 500J/oC c) 1500J/oC
Calculate the freezing point of water solution when, 724g of compound X (Mol Weight 62.07g), is mixed with 2605g of water (MW=18.02). Kf for water is 1.86ºC/m
The AH for the solution process when solid sodium hydroxide dissolves in water is 44.4 kJ/mol. When a 13.9-g sample of NaOH dissolves in 250.0 g of water in a coffee-cup calorimeter, the temperature increases from 23.0 °C to °C. Assume that the solution has the same specific heat as liquid water. Given the data in the table below, calculate the AH° for the combustion of ammonia NH3(g) + O2(g) → NO(g) + H2O(1) AH?” (kJ/mol) - 286 90 Substance...
please help quick An organic compound X was found to contain only C, H, and Cl. The following experiments were carried out with compound X: 1) When a 1.50-g sample of the compound was completely combusted in air, 3.52 g CO2 was formed. 2) When a 1.00-g sample of the compound was allowed to react with an excess of Ag, 1.27 g of AgCl was obtained. Determine the empirical formula of compound X. A0.258-g sample of a pure triprotic acid,...
When 0.070 mol of propionic acid, C2H5CO2H, is dissolved in 450 mL of water, the equilibrium concentration of H3O+ ions is measured to be 2.19 x 10−3 M. What is Ka for this acid?