Both Br^-_3 (above) and I^-_3 are known but F^-_3 has never been observed. Why?
Use Brexit as an example. Discuss and illustrate why regional economic integration has never been easy to achieve or sustain
Predict the product for the following reaction. (CH3 COK Br Br Both I & II1 Versi 17 ·F& Fs
13. Consider the nucleophiles, F, Cl, Br, and I. In a polar, aprotic solvent, which should be most reactive? WHY? (2) 14. Consider the nucleophiles, F', Cl, Br, and I. In a polar, protic solvent, which should be most reactive? WHY? (2)
A) An idea that many believe is true but has never been tested B) A statement that is falsifiable by experiment C) A consensus arrived at through many years of testing D) A statement that can be proved true by experiment E) All of these 51) ______) Which of the above best describes a scientific theory? 52) ______) Which of the above best describes a hypothesis?
14. Identify the isoelectronic elements/ions a) F–, Cl–, Br–, I– b) Li, Na, K, Rb d) Ti2+, Cr2+, Fe2+, Cu2+ e) As3–, Se2–, Rb+, Sr2+ h) Both “c” and “d” c) P3–, S2–, Br–, Rb+ f) B, C, N, O g) Both “a” and “b” h) Both “c” and “d”
please just answer E.), F.) and G.)
In a clinical study, the required sample size has been calculated to be a known constant k The number of eligible participants who need to be invited to join the study in order to achieve this sample size can be described by a random variable with a negative binomial distribution In study i with target sample size k, the number who need to be invited is described by X for ki=1, 2, an...
2. T he set of alternatives is Z-\a,b,c,d,e,f,gj. It has been observed that, when the available alternatives were a, e and f Bill chose a. We express this by saying that the observation was ( {a, e, Л.a) . The following is a list of observations concerning Bill: (a) Assuming that Bill's preferences did not change during the observation period, is Bill's behavior rationalizable by a complete and transitive preference relation? Explain your answer. (b) Suppose that Bill is not...
T/F 1. Stockholders are also known as owners of a corporation. T/F 2. The USA has a progressive income tax policy. T/F 3. As demand increase prices will go down. T/F 4. The books are open in a PUBLICLY traded company T/F 5 .The Fed will usually raise interest rates to stimulate the economy. 6. Explain why it is so important for a company to have good forecast in the future. 7. Explain the term “ Depreciation is a NON...
please explain reason for answer
2) None of the above Which of the following has the band's arranged in order of decreasing points B) H-I > H-Br > H-F D) SD-I > So-Te > Sb- A) H-FN-F>F-F QO- NO-S> O-Te -- B erature.
please help me write mechanism of this reaction and explain why I
observed the bromine dissolved in dichloromethane when added to the
alkene the solution changed to light yellow.
3. Write a chemical equation for the test for unsaturation (Part B) using one of the possible alkenes above. What observation is made for a positive test and why? Explais Brz CH,CeZ The bromine dissolved in dichloromothane added to the alkene changed to light yellow, indicated a Postive resut