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Can you please assist me on a question that requires the calculation of valence electrons and the lewis structure of BrF4- and BF4-, I keep struggling with the Lewis structures as the Br ion has 1 valence electron and F also has 1 valence electron, I'm just not certain what to do next and complete the answer.
if a molecule of a neon gas travels at an average of 400.m/s at a given temperature, estimates the average speed of a molucule of butane gas, C4H10, at the same temperature.
what is an element with seven electrons in the outer orbit called: metal, halogen, metalloid, noble gas, none of the above
Write the balanced nuclear equation for the formation of 241/95 Am through beta decay
Explain what is the wavelength of light emitted when an excited electron in hydrogen atom falls from the n=5 level to n=2? use nanometers
Estimate the volume of a solution of 2.3 M NaOH that must be added to adjust the pH from 4.0 to 9.0 in 61 ml of a 68 mM solution of phosphoric acid.
a boy titrates fifty mili litres of apple juice and observes the givenfinal buret reading- 17.86 ml initial buret
a mixture of gaseous oxygen and nitrogen is stored at atmospheric pressure in a 3.7 l iron conatianer maintained at
The rate constant for a reaction increases by a factor of 1.41 when the temperature is increased from 20 °C to 27 °C. What is the activation energy of the reaction
0.60 g of hydrogen chloride (HCl) is dissolved in water to make7 L of solution. What is the pH of the resulting hydrochloric acid solution.
Draw the organic structure for the following names: (1) 3,4 diethyl , 2,5 dimethyloctane (2) 1 chloro 3 hexyne
Problem- Part 1) What spectroscopic technique would you use to distinguish between cyclopentane and cyclohexane. Briefly and succinctly explain how this technique would enable you to do this.
Problem- Carbon-14 is radioactive and decays by beta decay with a half-life of 5730 years. One gram of wood from a tree takes up an initial amount of 1.49 nanograms of carbon-14 at some point in the past
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