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Calculate the mass/volume percent of a NaCl solution in which 130 of NaCl is dissolved in enough water to give a total volume of 3.71 L
If I have hydrogen peroxide, molecular weight(g/mol) is 34.02, its density (g/ml) is 1.2, its concentration is 50% by weight and I have 2mL of it how many mols would I have
What are the possible values for the principal quantum number (n), the azimuthal quantum number (l) and the magnetic quantum number
The projector creates an image 600 cm tall 12 m from the lens. The object is 12 cm tall. What is the distance from the lens to the object?
Milk of Magnesia is actually a suspension (that's why instructions often mention shaking before use) of solid Mg(OH)2. 1.00 liter of solution of 0.055 moles of Mg2+ is held at a pH of 7.00. Would a precipitate form? If so, what fraction of the origin..
For each of the following give the sublevel designation (name of orbital), the allowable ml values, and the number of orbitals- a. n = 5, l = 3 c. n = 2, l = 0 b. n = 3, l = 1 d. n = 6, l = 2
Explain a mechanism using (Sia) 2BH followed by CH3COOH as the reagents? summary of alkyne reaction mechanisms explain these reaction/mechanisms
Calculate the numbers of moles of 2-butanol that needed to dissolved in ethenol(125gms) just to form 12 m 2 butanol soln also find out mass of 2-butanol ?
Carbohydrates have the general formula Cn(H2)m. What is disaccharides? Is it n=12 and m=12 or m=n+1 or m=n-1 or m=n
A reaction of the form aA---->Products gives a plot of ln[A] vs time (in seconds) which is a straight line with a slope of -7.35e-3. Assuming [A]0=0.0100M,
What is the molar mass of the following: a) O2, b) KH2PO4, c) Fe(ClO4)3, d) C4H8O4, e)Ga2(CO3)3, f) KBrO4. Please use significant figures.
It takes 51.0 J to raise the temperature of an 10.2 g piece of unknown metal from 13.0C to 25.0C. What is the specific heat for the metal
What is the approximate thermal energy in kJ/mol of molecules at 0° C? Express your answer to the nearest 0.1 kJ/mol
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