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Explain how an increase in the amount of dissolved CO2 in ocean water results in a decrease in the pH of ocean water.
a sample of 4.0 mole O2 is originally confined to 20 L at 270 K and then undergoes adiabatic expansion against a constant pressure of 600 torr until the volume has tripled. calculate q, w, delta T, delta U and delta H
Assuming electrons with quantum numbers (n,l,mt,ms), how does an electron with the quantum numbers (2,1,1+1/2) differ from an electron with quantum numbers (2,1,-1,+1/2)?
You have 75.0 g of solute Q dissolved in 300-mL of water. The distribution coefficient between ether and water for solute Q is 8. a) How many extractions using 60-mL of ether each would you need to carry out to extract a total of 70.7 g (total) so..
Find the absolute and percent relative uncertainty and express each answer with a reasonable amount of significant figures. 5.1(+-0.3) - 3.7(+-0.2) Need Numeric Result, Absolute Error, and Relative Error
The temperature of the cosmic background radiation is measured to be 2.7 K. What is the wavelength of the peak in the spectral distribution at this temperature
If you have 240.0 mL of water at 25.00 °C and add 100.0 mL of water at 95.00 °C, what is the final temperature of the mixture.
Positive reactions were noted in undiluted, 1/2, 1/4. What is the patient's titer.
How many milliliters of 0.123 M H2SO4 are needed to neutralize 0.200 g of NaOH
Celcius and add 130.0mL of water at 95.00 Celcius, what is the final temperture of the mixture? Use 1.00 g/mL as the density of water.
How many grams of aqueous iron bromide will be needed to react with an excess of potassium phosphate,K3PO4,to produce 17.1 g of solid iron phosphate?
What is the heat change in J associated with 74 g of gaseous butane at 91 oC changing to solid at -170 oC? c(butane) (gas) = 2.31 J/ (g.K) c(butane) (liq) = 1.65 J/(g.K) c(butane) (s) = 1.32 J/ (g.K) ?Hfus(butane) = 6.885 kJ/mol
If the final temperature of the system is 31.1°C, what is the specific heat capacity of the alloy? (c of water is 4.184 J/g×K)
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