A certain pickup truck gets 16 mpg in the city and 28 mpg on the highway. If the driver drives 490mi on 19 gal of gas, determine the number of city miles and highway miles that the truck was driven.

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Q: Why does the steric energy for CH3 gauche to Br is less than the CH3 gauche to Cl?

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Q: 132 Identify the structure of the oxygen-containing compound with m/z= 74 (M¹), 56 and 31 from the…

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Q: How many grams of CaCl₂-2H₂O are needed to prepare 200 mL of a 0.2 M CaCl₂ solution? 1 mole of…

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Q: 1. Which two of the following pairs of structures depict resonance contributors? A) B) C) D) B and C…

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Q: For which of the following reactions are the numerical values of Kp and Kc be the same? (1) 25O2(g)…

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Q: 1. For the reaction A(g) + ¹/2B(g) → 2C(g), a. Determine the expression for the rate of reaction…

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Q: 9. Good Question. Arrange the following species in order of increasing electron density or oxygen…

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Q: 2) explain ionization according to kinetic molecular theory.

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Q: Which of the following mixtures will be buffered when dissolved in a liter of water? 1 mol Calcium…

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Q: 13 A major component of gasoline is octane (C₂H₁). When liquid octane is burned in air it reacts…

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Q: 1. Calculate the heat of combustion of propanol (C3H8 O) and the percent error in the following…

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Q: D pH pH = 4.389 pH = 4.874 = pK₁ pH = 5.339 Answer Bank Using the equation to calculate the quotient…

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Q: How do models enhance the scientific method?

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Q: 9) + O2(g) → 2NO(g) y much energy, in kJ, is needed to d (g)? AH ΔΗ mic masses: 14 g/mol 16 g/mol

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Q: 6 Consider this reaction, which occurs in the atmosphere and contributes to photochemical smog:…

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Q: What is the mass of ( 9.00x10 ) number of water molecules ? Report your answer to 3 significant…

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Q: 8. For the retrosynthetic analysis shown, provide the reagents needed (A-F CH₂ AV LOTS TM ACHIE F B…

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Q: 1.90 Measurements show that 1.0 g of iron (Fe) contains 1.1 × 10²2 Fe atoms. How many Fe atoms are…

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Q: a. Calculate the amount of energy involved when 300. mL of 2.00 M NaOH is mixed with 400. mL of 1.00…

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Q: How do you draw this structure's conjugate base?

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Q: 63. Apply Graph mass versus volume for the data given in the table. What is the slope of the line?…

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Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.