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- HOCI HF HCN H₂SO4 HOBr 2.29 x 10-8 O 2.30 K₂= 3.510-8 O 1.17 x 108 O 1.45 x 10-7 K₂ = 7.2 10-4 K₂ = 4.010-10 K₁ = very large K₂ = 1.2 10-2 Ka = 2.5210-⁹ (COOH)2 CH3COOH C6H5NH2 NH3 K₁ = 5.9 x 10-² K₂ = 6.4 x 10-5 K₂ = 1.8 x 10-5 Refer to Equilibrium Constants. What is the [H3O+] of a solution that is 0.0100 M in HOCland 0.0300 M in NaOCI? Kb = 4.2 x 10-10 Kb = 1.8 x 10-5Molecular formula. Molar mass (g.mol-1). ΔcH0 (kJ.mol-1) Petrol C8H18 * 114 - 5470 Diesel C20H42 * 282 - 8090 Natural gas. CH4 16 - 890 Hydrogen. H2 2 - 286 Methanol. CH3OH 32 - 726 *Petrol and diesel are complex mixtures of hydrocarbons. On average, their properties resemble those of C8H18 and C20H42, respectively. 1.1) Calculate the energy density (in kJ.g-1) for all the fuels in the table above. Use the molar masses supplied in the table. 1.2) Why would you say that Space Shuttles rather use hydrogen as its primary fuel source instead of one of the other fuels in the table? 1.3) Formula 1 racing cars use petrol as their fuel source. In the USA, “Indy cars” use methanol as fuel source and in South Africa farmers use diesel as fuel source for their tractors. If all these motors perform equally optimally, which vehicle is the most fuel efficient? Give a reason for your answer.(a) (CH3)3CBr classify the compound as a methyl, primary, secondary, or tertiary halide.
- 2NaOH(a)+CaCl2(s)+2NaCl(s)Which of the following molecules has only single bonds. A. CHCHCH3 B. CH2CHCH3 C. CH3CH2CCH D. CH3CH3 E. CH2CH2 Which of the following molecules has a carbon-to-carbon double bond? A. CH3CCH B. CHCH C. CH3CH3 D. CH3CH2CH3 E. CH2CHCH3True or false Kc= [NH3]2 /[N2]2[H2]3 for N2+3H2<--> 2NH3