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The dipole moment of a water molecule is 6.2×10-30 C·m. What is the electric potential due to this dipole at a distance of 1.10e-5 m, in a direction 60° from the direction of the moment vector?
starting with an aqueous solution of 115 ml of 0.35 m pyridine kb 1.7 x 10-9 determine the observed ph of the solution
salt dissolves in 9.10g of water to give a saturated solution at 25C. What is the solubility (in g salt/100g of H2O)of the salt show work
1. Why is it important to maintain biodiversity in ecosystems? What is prohibiting humans from doing so?
For Iron (III) Hydroxide the value of Ksp is 4.0 x 10-38. If we have 30.0 ml of a saturated solution of this insoluble hydroxide, Explain what would be the minimal HCl concentration, which will need 40.0 ml of this acid solution, to reach the equi..
Consider the fusion of boron 10 with an alpha particle. The products of the fusion are carbon and a proton. a) Write a nuclear reaction for this process.
calculate the amount of heat transfered when 24.0 g of ch3oh decompose at constant pressure. delta h is 126.4
The reaction between ethyl iodide and hydroxide ion in ethanol solution has an activation energy of 86.8 kJ/mol and a frequency factor of 2.10x10^11 M^-1 s^-1. Calculate the rate constant for the reaction at 35 Celsius
hexokinase is an enzyme that catalyzes the phosphorylation of sugars. given the values below discuss the interaction of
"A sample of a particular radioisotope is placed near a Geiger counter, which is observed to register 160 counts per minute. Eight hours later the detector counts at a rate of 10 counts per minute. What is the half-life of the material?"
For phenylanaline can be modeled as particle on a ring. Calculate the probability of finding electrons in one half of the ring from the ground state
What is "soft" nano-science? Give a brief introduction. Write a history of soft nanoscience. Focus of the Faraday Discussion. Write about nanochemistry and soft nanochemistry: structure and function. Research interests of the attendees of this Farada..
A) A 0.030 M solution was prepared by dissolving dipotassium cysteine K2C in water. After that 40.0mL of this solution was titrated with 0.060 M HClO4.
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