A solution is prepared by dissolving 350 g of hemoglobin hb
A solution is prepared by dissolving 35.0 g of hemoglobin (Hb) in enough water to make up 1 L in volume. If the osmotic pressure of the solution is found to be 10.0 mmHg at 25 oC, calculate the molar mass of hemoglobin
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A 1200 crate slides 15 down a ramp that makes an angle of 30 with the horizontal. how much thermal energy is created
N2(g)+3F2(g)-->2NF3(g). If 1.7 g of nitrogen and an excess of fluorine is used in the reaction, what mass (g) of NF3 can be produced
How is the external environment analyzed? External environmental analysis is the process of identifying and monitoring the environment in which a client exists and the opportunities and threats that are present.
Two 4.0-g spheres are suspended by 9.0-cm-long light strings. determine the electric field intensity that enables the spheres to be in equilibrium at ? = 12°
A chemical plant needs a microprocessor-driven alarm system to warnof critical conditions in one of its chemical tanks. Thethank has four HIGH/LOW (1/0) switches that monitor temperature(T), pressure (P), fluid (F), and weight (W).
What is the de Broglie wavelength of an electron at 150eV. what is the wavelength for electrons at 10keV, which istypical of electron microscopes. Comparing this to visiblel light,comment on the advantages of electron microscopes.
From the ln [reactant] as a function of temperature you can tell the reaction rate is first order if it is a linear curve ln[A]t = -kt + ln[A]o How is this equation derived
The preparation of chlorobenzene by the reaction of chlorine with benzene occurs by the reaction C6H6 (l)+Cl2 (g)- ->C6H5Cl (l)+ HCl (g). If 52.6 g of benzene reacts with an excess of chlorine to give 51.6 g of chlorobenzene, what was the perce
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