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If the density of gasoline is 0.66 g/mL , how many kilocalories of energy are obtained from 2.2 gal of gasoline?Express your answer using two significant figures.When 1.0g of gasoline burns, 11 500kcal of energy are given off.NOTE: The answer does not depend on 10
A solution is prepared by dissolving 246 g of sucrose (C12H22O11) in 624 g of water. What is the vapor pressure of this solution at 30°C? (The vapor pressure of water is 31.8 mmHg at 30°C.)
in an experiment 99.0 g of aluminum with a specific heat of 900 jkgmiddotk at 93.0degc is mixed with 88.0 g of water
An ear drop formula contains 60 mg of antipyrine and 19 mg of benzocaine in each milliliter of solution. What is the percentage strength of benzocaine in the formula
Calculate the concentrations of the protonated and unprotonated forms of bromothymol blue in 100 mL of a pH 8.1 buffer solution to which 1.0 mL of a 0.005 M solution of bromothymol blue
Problem- 1) Clearly explains how a weak acid and strong acid differ. Give examples, including ionization equations, of strong and weak acids
Cyclohexene as well as 2-hexyne both have the molecular formulaC6H10. How would you use infrared spectroscopy to distinguish between the two compounds
What are some reasons we want oxide layers and why cant we rely on oxidation in ambient environments for these layers
Question- A 15.0g sample of granite initially at 86.0?C is immersed into 22.0g of water initially at 25.0?C. What is the final temperature of both substances when they reach thermal equilibrium? (For water, Cs=4.18J/g?C and for granite, Cs=0.790J/..
Uric acid is one metabolic end product as well as is excreted from the body in urine. The acid dissociation constant of uric acid is Ka = 4.0 x 10-6 M. The pH of a urine sample is 6.00. Define what is the ratio of urate ion to uric acid in the uri..
Question- What is the mass percent concentration of the following solutions. a) Dissolve 0.595mol of citric acid, C6H8O7, in 1.00 kg of water. b) Dissolve 0.135mg of KBr in 5.00 mL of water. c)Dissolve 5.60g of aspirin, C9H8O4, in 145 g of dichlorome..
Water is about 15% denser than oil, What implications does this difference have on: An oil-based fire hazard such as burning oil slick, and cleaning up an oil spill.
Calculate the pOH of a solution that contains 3.9 x 10^-4 M H3O at 25 degrees celsius.
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