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Problem- Find the absolute and relative uncertainty and express each answer with a reasonable number of significant figures.9.2 (+/- 0.7) * [[5.4 (+/- 0.3) * 10^-3] + [5.6 (+/- 0.1) * 10^-3]]
You must show your work in an efficient manner so I can understand it in clearly
Question- A kitchen pressure cooker operates at 1.50 atm. The delta Hvap of water is 40.7 kJ/mol. What is the boiling point of water in the pressure cooker
the specific heat capacity of solid ice is 2.09 jgmiddotdegc and the specific heat capacity of liquid water is 4.18
Explain if a buffer solution is 0.120 M in a weak acid (Ka = 3.5 × 10-5) and 0.500 M in its conjugate base, define what is the pH
Calculate the vapor pressure of a solution containing 29.4 g of glycerin (C3H8O3) in 120 mL of water at 30.0 C. The vapor pressure of pure water at this temperature is 31.8 torr
Draw the skeletal structure of the major organic product resulting from the following synthesis steps. Benzyl bromide is reacted with solid Mg in diethyl ether.
What is the pH at the equivalence point in the titration of 25.00 mL of 0.020 M NH3 with 0.015 M HBr? Kb for NH3 = 1.8 x 10^-5
what type of conalently bound compound can dissolve in water. what type of sructure and bonding is required
A protein has a net charge of +2 in an electric field at pH 4.5. What is the frictional drag experienced by the protein if it moves at a velocity of 0.0018 m/sec and the electric field strength is 10 J/C·m. Units for frictional drag should be in k..
So i have a phenol group with cholride attached to it. It is treated with ethlyamide and pyridine to form ph-c=o-ethlyamide. So i wonder what is the role of pyridine in the reaction ? i know it can act as a weak base and good nucleophile. please p..
For each of the following polyatomic ions, provide a Lewis structure, including resonance if appropriate and all non-zero formal charges. A.) BH4- B.) HCO2- C.) AsCl4- D.) ICl2-
How many kJ of heat are needed to completely vaporize 1.30 moles of ? The heat of vaporization for water at the boiling point is 40.6 kJ/mole
STP corresponded to conditions of "standard" temperature (T=0°C) and standard pressure (p= 1 atm). At STP, 1 L of Br2 reacts totally with 3 L of F2 to form 2 L of a product. What is the formula of the product?
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