What is the molality of the benzoic acid
A 7.58 gram sample of benzoic acid, C6H5CO2H, is dissolved in 100 ml of benzene. The density of benzene is .879 g/ml. What is the molality of the benzoic acid?
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For a hydrogen atom, calculate the energy of a photon in the Balmer series that results from the transition n = 3 to n = 2. The Rydberg constant is 1.0974 × 107 m-1. (h = 6.6262 × 10-34 J·s and c = 3.00 × 108 m/s).
A) what is the max tension in the cable supporting the elevator? B) if the elevator was accelerating downwards at a rate of .2g, what is the tension in the cable supporting the elevator?
What is the hydronium-ion concentration of a buffer solution that is .25 M Na2HPO4 and .40 M NaH2PO4? For H3PO4, (Ka1=6.9x10-3), (Ka2=6.2x10-8) and (Ka3=4.8x10-13).
The coefficient of restitution between the sphere and member ABC is 0.5 determine immediately after the impact (a) the angular velocity of member ABC (b) the velocity of the sphere.
Find the exit plane pressure, the exit plane Mach number, and the mass flow rate for the back pressures of 400 kPa, 200 kPa, and 100 kPa.
A compound of phosphorus and chlorine used in the manufacture of a flame retardant treatment for fabrics contains 1.20 grams of phosphorus for every 4.12 g. of chlorine.
The plane of a rectangular coil, 4.0 cm by 7.0 cm, is perpendicular to the direction of a magnetic field . If the coil has 50 turns and a total resistance of 8.0 O, at what rate must the magnitude of change to induce a current of 0.10 A in the win
Calculate the pH of a buffer prepared by mixing 50.0 mL of 1.00 M ammonia and 50.0 mL of 1.00 M ammonium nitrate (Remember to take dilution into account)
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In one paragraph discuss the following. the ethical and/or conflict issues presented in this scenario. Explain what a professional boundary means.
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There are two views for how to manage processes across a supply chain. Research these two views both in your textbook and on the internet
I completely agree with the emphasis on the significance of our digital footprints as they play a crucial role in shaping our job prospects
Describe 1 cyber threat, such as phishing or social engineering that you have experienced or read about.
Imagine you are a marketing specialist for a virtual vacation company. Your company sells virtual reality experiences of popular destinations for people