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A serving of kellogs corn flakes is 0.0892% K by mass. The USRDA for potassium is 6.0g. If one serving of corn flakes has a mass of 28.0g, and a volumeof 1.0 cups, how many cups would need to be consumed in order to eat the recommended daily allowance of K?
Calculate the molarity for: A.0.5g CO2 in 652 g of water. B. 56g of NH3 in 500 g of water. C. 3.21 g of NaOH in 3405 ml of water.
A ground-state H atom absorbs a photon of wavelength 94.91 nm, and its electron attains a higher energy level. The atom then emits two photons: one of wavelength 1281 nm to reach an intermediate level, and a second to return to the ground state.
State whether the sign of the entropy change of the following processes will be positive or negative. a. PCl3 (l) + Cl2 (g) -> PCl5 (s)
How many moles of magnesium oxide are produced by the reaction of 3.82 g of magnesium nitride with 7.73 g of water? Mg_3N_2 + 3H_2O yields 2NH_3 + 3MgO
Draw the skeletal structure for major organic product produced when the arene given reacts with 2 equivalents each of Na and HOCH3
What is the equilibrium constant expression for the following reaction- Pb2+(aq) + 2I?(aq)?PbI2(s) Choose from the list below and enter the letters alphabetical order.
What is a by-product that could form from the condensation/elimination of 1,3-diphenylacetone in a reaction with benzil and a base catalyst? The major product is tetraphenylcyclopentadienone.
determine whether or not it is chiral and specify the absoute configuration of any chiral carbons
Water solubilities of oxalic acid and sodium oxalate at RT are 10g/100 ml and 3.7 g/100 ml respectively. Could you prepare oxalic acid by adding HCl to a solution of sodium oxalate, cooling it to room temperature, and filtering the resulting mixtu..
A volume of 20.22 mL of NaOH solution which is (0.046464) was needed to titrate 10.06mL of acetic acid to the phenolphthalein end point.
Which of the following is a tertiary alkyl halide. Can you please expalin why A) (CH3)2CHBr B) (CH3)2CHCH2CI C) (CH3)3CCI D) CH3CH2CHBr2 E) CH3CHBr2
Write the balanced formula unit equation for the reaction of the complete combustion of pentane, C5H12. What is the sum of the coefficients
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