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Identify and descrine the structure and function of specialised cells of protection, sensation and secretion in the integumentary system
What would be the most likely formula for a compound composed of Ca and N? The boiling point of oxygen is 55°K. What is the equivalent temperature on the Celsius scale?
write an equation for which component of the phosphate buffer (H2PO4-/ HPO4^2-) reacts when HCl is added. Do the same for NaOH.
if a 5.0ml aliquot (portion) of the above solution was taken and diluted to 500.0mL. What is the concentration of this new solution
the partial pressure of water vapor in an atmosphere at 35 degree celsius and 740 mm hg pressure is 37 mm hg. what is
calculate the IHD and select all the types of unsaturation that might be present in the molecule based on the IHD.
Calculate the volume of a sample of carbon monoxide at -23°C and 289 torr if it occupies 3.65 L at 298 K and 732 torr
How many moles of (NH4)3PO4 are present in 100.0 mL of 2.50 M (NH4)3PO4?
What is the pH of the final solution? Answer IS 7.58 Q 3.) What additional volume of 10.0 M HCl would be needed to exhaust the remaining capacity of the buffer after the reaction described in Part B?
50mL of .250M sodium benzoate, NaC7H5O2, is being titrated by .200M HBr. Calculate the pH of the solution
Calculate the theoretical yield of C2H5Cl when 124 g of C2H6 reacts with 219 g of Cl2 , assuming that C2H6 and Cl2 react only to form C2H6Cl and HCl.
If 100.0 g of water is warmed from 20.0*C to 35.0*C, what quantity of energy has been transferred to heat the water? (the specific heat capacity of water is 4.184 J/g*C)
a plutonium-239 atom may emit a photon of light with a wavelength of 24.0 pm when it undergoes nuclear fission. What is the frequency of this radiation?
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