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It's a Friday night and Johnny-Don't has gone out for some drinks with his friends. Being responsible, he knows that the legal blood alcohol level is 0.0800% on the BAC (Blood Alcohol Content) test. The beer he drinks is 4.3% alcohol and each bottle is 341 mL. How many mL can Johnny drink before he reaches the limit of 0.0800%? Johnny is a big guy and has 6.00 L of blood in his body.
Consider the cell obtained by connecting a zinc half-cell with a copper half-cell. The standard reduction potentials are - 0.760 and + 0.340 volts respectively.
when companies sell compressed gas in steel cylinders they usually quote the contents as volume of gas at 1 atm
Which weak acid would be best to use when preparing a buffer solution with a pH of 9.70? An acid with Ka = 3.2 × 10^-5 An acid with Ka = 4.0 × 10^-7 An acid with Ka = 1.3 × 10^-11 An acid with Ka = 2.1 × 10^-10
Determine the amount of heat produced when 100 g of CH4 combust, CH4 + 2O2 yields CO2 + 2H2O + 1063kJ
Household bleach is a 5.0 mass % aqueous solution hypochlorite, NaOCl. What is the mole fraction of the NaOCl in the bleach
What is the pH of a solution prepared by dissolving 0.10 mol sodium acetate and 0.20 mol of acetic acid in enough water to make 2.0 L? Ka= 1.75 *10^-5
you recrystallize 300 mg of solid material and obtain 200mg. what is your percent recovery. if you concentrate some of the mother liquor and obtain a further 40 mg, what is your total percent recovery
a sample of chloroform is found to contain 10.5 g of carbon 93.1 g of chlorine and 0.88 g of hydrogen. if a second
A specific heat of gold is .129J/g deg. Celsius. What is the molar heat capacity of gold
Describe some ways that the Emergency Response Guidebook is used when responding to incidents involved the release of hazardous materials.
A 1.87 g sample of Mg reacts with 80.0 mL of a hydrochloric acid solution (pH = -0.544). What is the pH of the solution after all the Mg has reacted? Assume constant volume.
Write balanced equations to show whether any of the following compounds have differing solubility with a change in pH.
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