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A container of nitrogen gas has a volume of 82.0 L at a temperature of 303 K. If the container is heated to a temperature of 369 K while remaining at constant pressure, what is the new volume of the gas? (R = 0.08206 L atm K-1 mol-1)
A. 182 LB. 67.3 LC. 82.0 LD. 149 LE. 99.9 L
The names and chemical formulae of some chemical compounds are written in the first two columns of the table below. Each compound is soluble in water.
What is the minimum volume of water needed to recrystallize 50 mg of phthalic acid? How much phthalic acis will remain in solution after recrystallization?
Draw the lewis structures for each of the following molecules or ions. Which do not obey the octet rule? (a)NO (b) AlH3 (c) ICl2^- (d) OPBr3 (the P is the central atom) (e) XeF4
A nitric acid solution containing 71% HNO3 (by mass) has a density of 1.42g/mL. how many moles of HNO3 are present in 1.00L of this solution.
Calculate the molar Gibbs free energy change for the phosporylation of glucose by ATP to produce glucose-6-phosphate. Assuming the reaction happens at 310K and at pH 7. The concentration of ATP, ADP, G6P, and Glu are 1850 µM, 138 µM, 83 µM, and 50..
determine how hot should be the air in a ballon be heated ifnbsp it has initially a volume of 750. l atnbsp the
A reaction has a first order rate constant of 4.31x10-5 s-1 at 25oC and 0.00111 s-1 at 65oC. What is the value of the rate constant at 43oC
An Argon ion laser emits a beautiful green beam with a wavelength of 514.7 nm. What is the energy per mole of photons emitted
if kspag2so3 1.5e-14nbsp then compute the solubility of silver sulfite ag2so3 in units of grams per liter.considering
A voltaic cell is constructed with two Zn+2-Zn electrodes. The two cell compartments have [Zn+2]=5.00 M and [Zn+2]=1.00 x 10^-2 M, respectively. What is the standard emf of the cell?
What weight of glucose in grammes is required to make 675 ml of a 750 mM solution. Glucose Mr = 180.16
SrCO3 is a sparingly soluble salt. Using the Ksp from the appendix, a) Determine the concentrations Sr2+ and CO32- when SrCO3 is dissolved in pure water ignoring secondary reactions of Sr2+ and CO32-
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