What is the ph of a solution that is 0125 m in methylamine
What is the pH of a solution that is 0.125 M in methylamine (CH3NH2) and 0.175 M in methylamine chloride (CH3NH3Cl)?
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Strychnine, C12H22N2O2, is a weak base. An aqueous solution of 0.0515 M strychnine solution has a pH of 10.48. What is the Kb for strychnine based on these measurements?
calculate the concentrations of h+, oh-, f-, and undissociated hf molecules in 0.10 M hf. Ka for HF is 7.1x10^(-4).
1. a nichrome wire 12 ft long and .011 inch diameter conducts 1.83A when 120v are applied. what is the resistivity of nichrome 2. Copper windings of an electric motor at room temperature of 25 degrees C has resistance of .20(r).
A 4.16 g sample of ascorbic acid is titrated with 0.83 M red dye. What volume of red dye is required to reach the endpoint? Molar mass of red dye =267.08 g/mol; molar mass of ascorbic acid =176.12 g/mol
Suppose that without a 1k-ohm load an amplifier's output voltage is 5Vpp but when the 1k-ohm load is attached, it drops to 3Vpp. What is the output impedance of the amplifier
A three-phase, wye-connected induction motor is supplied by a three-phase and foursin system with line-to-line voltage of 220V and the impedance of the motor is 6.3+j3.05Ohm per phase.
will 500 mg of Na3C6H5O7 (258.1g/mol) or 500 mg of CaCO3 (100.1g/mol) neutralize more moles of hydronium ion? Assume that both the C6H5O7^(3-) and CO3^(2-) ions become fully protonated.
A balanceed three-phase load of 15 MA with a lagging load factor of 0.85 is supplied by a 115KV subtransmission line. if the line impedance is 50+j100Ohm per phase, determine the following: (a) The line current of the load.
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Thinking about our close relationships Prompt: Using any two of the concepts described in the text on relationships and attraction
Select a 1-5 grade level, a corresponding Arizona or other state standard based on the Measurement and Data domain
For this Performance Task, you will watch the following video to observe a child in a childcare setting:
Complex Post-Traumatic Stress Disorder (CPTSD) is a condition that arises from prolonged exposure to traumatic events, particularly in situations
In the Week Learning Activity, Inclusive Special Education, you had the opportunity to examine what special education looks like in different countries.
A consultant who specializes in political campaigns tests the success of three ads in convincing registered voters to support a candidate.
Select one chapter from chapters 11-13 in Snipes: Vold's Theoretical Criminology and write an 8 page paper that summarizes, synthesizes