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Detarmine the resulting Nitrate ion concentration when 95 ml of 0.592m potassium nitrate and 145.5ml of 1.770m calcium nitrate are combined?
What is the percent dissociation of HNO2 when 0.060g of sodium nitrate is added to 105.0 mL of 0.060 M HNO2 solution? Ka for HNO2 is 4.0 x 10^-4
Three manufacturers are producing carbonated bottled water. One company introduces carbonate by bubbling carbon dioxide into water until CT=10-3 M (equivalent to adding "H2CO3*" until CT = 1 x 10-3 M), a second adds sodium bicarbonate (NaHCO3) unt..
One mole of a monatomic ideal gas is adiabatically expanded from 2.23 L to 5.78 L. Calculate the q, w, Delta U, delta S, and delta H for this process
The protein solution consists of albumin (40 g/L at Mm = 69,000 daltons), globulins (70 g/L at MW = 150,000 daltons), and fibrinogen (60 g/L at Mm = 340,000 daltons). Assume that T=25 C and the proteins form an ideal solution. What is the osmotic ..
Calculate the wavelengths of the following objects? c)a 83Kg athlete running exactly a 4 minute mile d)earth (mass=5.8x10^27g) moving through space at 2.8x10^4m/s
A person inhales air richer in O2 and exhales air richer in CO2 and water vapor. During each hour of sleep, a person exhales a total of 300. L of this CO2-enriched and H2O-enriched air.
Calculate the enthalpy change, , for the process in which 41.5 of water is converted from liquid at 2.1 to vapor at 25.0.
what is the mass of a rectangular piece of copper 24.4 cm x 11.4 cm x 6.6 cm? The density of copper is 8.92 g/cm^3.
what is the standad potential for I 2 being reduced to I- given that the standard reduction potential for Cr2O7 2- changing to Cr3+ is +1.33V I got to
Hydrogen and oxygen react under a specific set of conditions to produce water according to the following equation. 2 H2(g) + O2(g) -> 2 H2O(g)
The 1995 Nobel Prize in Chemistry was shared by Paul Crutzen, F. Sherwood Rowland, and Mario Molina for their work concerning the formation and decomposition of ozone in the stratosphere
List a possible set of four quantum numbers (n, \ell, m_{\ell}, m_s) in order, for the highest energy electron in gallium, \rm Ga. Refer to the periodic table as necessary.
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