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1. If the methane (CH4) contained in 2.00 L of a saturated solution at temperature of 25 degree celsius was extracted and placed under STP conditions, determine what volume it will occupy?
2. Initially A sample of a substance of 23.43 g weight has temperature 24.2 °C then it absorbs heat and reached to temperature 122.0 degree Celsius; calculate the specific heat of this substance if it absorbs 2167 joule heat?
What molarity of aqueous aluminum sulfate solution can be expected to show the same conductivity as 0.030 M CaSO4 at 20,000 units
a toothpaste contains 0.24 by mass sodium fluoride used to prevent dental caries and 0.30 by mass triclosan rm
gas is introduced into an evacuated 3.58 L flask at 65 deg. C, what is the pressure inside the flask
a 1.00 L solution contains 4*10^-4 M Cu(NO3)2 and 1.6*10^-3 M ethyleneddiamine. the Kf for Cu(en)2^2+ is 1*10^20, what is the concentration of Cu+2 in the solution
Show the chemistry involved in dissolving iron(II)hydroxide with a strong sodium cyanide solution.
Order the four subshells with in a single shell from lowest to highest energy.
Ethanol (without catalyst) yields a di-ether in nearly quantitative yield. Provide the structure of the product. Mechanistically, provide two routes that accound for the observed product.
A 400ml sample of gas at 10 degrees celsius is warmed to 25 degrees celcius at a constant pressure. Calculate the final volume.
Which has the smallest heat of combustion and why? allenic, conjugated, or isolated structures
How many moles of H3O+ must be added to one liter of a solution to adjust the pH from 8.54 to 5.58? Use E notation and 3 significant figures.
assuming ideal behavior, calculate the boiling point in C of solution that contains 64.5g or the non-volatile non-electrolyte quinoline( molar mass= 129g/mole) in 500 grams of benzene. For benzene the normal boling point is 80.10 C and Kb = 2.53C/..
What volume of 0.1000 M NaOH is required to titrate a 0.1000 M propionic acid solution, CH3CH2COOH, Ka = 1.3 x 10-5 , to the equivalence point?
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