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A small cylinder of helium gas utilized for filling balloons has a volume of 2.30 L and a pressure of 1850 atm at 25°C. Explain how many balloons can you fill if each one has a volume of 1.3 L and a pressure of 1.25 atm at 25°C?
Give the name and formula for the acid derived from each of the following anions. (Type your answer using the format CO2 for CO2.) (a) perchlorate (b) NO3- (c) bromite (d) F -
The antifreeze in a car was a 50% by weight solution of ethylene glycol C2H6O2 in water. Calculate the boiling point and freezing point of this solution. (for H2O: Kb= 0.52 C/m... Kf=1.86 C/m
the mass of the sphere in 2 is 456 g. calculate the density of that sphere. please show
Within a red blood cell [ATP], [ADP], and [Pi] are maintained under steady state conditions at 1.85 mM, 0.14 mM and 1.0 mM respectively. Calculate the deltaG' of ATP hydrolysis under these conditions at pH 7.0 and standard temperature and pressure..
Will a precipitate of Mg(OH)2 form when 25 mL of 0.010 M NaOH is combined with 75 mL of a 0.10M Solution of magnesium chloride
what kinds of attractive forces bind congo red to cotton
CO 5) What should be the coefficient of hydrogen, H2, in the following equation in order to make it balanced? 2 Al + 3 H2SO4 ---> Al2(SO4)3 + ? H2
An infant ibuprofen suspension contains 100 mg/5.0 mL suspension. The recommended dose is 10mg/kg of body weight.
If the actual pressure of the vapour was less than the surrounding , will molecular weight you determine (heptane) be too low or too high
How might you use 13C NMR spectroscopy to determine if the brominated product is contaminated with some unreacted starting material (during the bromination of trans-cinnamic acid)
1) A sample oxygen gas is collected over water at 25.0 C an a total pressure of 642 torr. The volume of the gas collected is 500.0 mL. what mass of oxygen is collected. the vapor pressure of water at 25.o C is 28.8 torr.
Calculate the final temperature of the solution assuming no heat is lost to the surroundings, the final mixture has a mass of 100.0 g and the solution has a specific heat capacity of 4.18 J °C-1 g-1
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