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Question - A protein was purified and then analyzed on a size exclusion column. Its MW was determined to be 130,000 Dalton. The SDS-PAGE gel shows two bands, corresponding to molecular weights of 35,000, 20,000 Dalton. Describe the native conformation of this protein in terms of the number of subunits present and their molecular weight.
a if 65.65 g of mercuryii nitrate and 4.26 g of hydrogen sulfide are mixed in 490.0 g of water to form 54.16g of
How much energy (heat) is released when 1.52 moles of H2 reacts with 0.68 moles of Cl2 to create HCl(g) if the ΔHrxn = -184.6 kJ.
If 282.5 ml of SO2 is allowed to react with 165.3ml of O2 (both measured at 303K and 47.8mmHg ), what is the limiting reactant
A 2.50 g sugar cube (sucrose: C12H22O11) is dissolved in a 350 mL teapot containing 80° C water (density of water at 80° C= 0.975 g/mL).
What pH is needed to increase the solubility of Mn(OH)2 to 2.5 x 10-3M? Ksp for Mn(OH)2 = 1.6 x 10-13.
If a 295 mL sealed container at 25 °C contains 0.80 g of a gas at 680 torr. Define what is the molar mass of the gas
cyclopropane c3h6 is converted to its isomer propylene ch2chch3 when heated. the rate law is first order in
Describe what data you need to collect and how you will use it to identify the metal cations present in the sparklers.
While a sample of neon with a volume of 699mL and a pressure of 0.734atm was heated from 16.0 to 67.0 °C, its volume became 715mL. Explain what was its final pressure in atm
Does the information in the EU CLP classification database agree with the pictogram in the supplier SDS? If not, what pictograms do you think should be on the supplier SDS?
If 18.1mL of 0.800M HCl solution are needed to neutralize 5.00mL of a household ammonia solution, what is the molar concentration of the ammonia
What is the temperature of the gas in kelvins? Express your answer to three significant figures.
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