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Does this Lewis formula obey octet rule? Describe. Write the formal charges on atoms? Try describing bonding for the formula in valence bond terms.
What suggestion would you give to any other individuals or drivers coming on scene? What would you say to next responders coming on scene?
Explain mass and weight. Write the differences between them? Few ideas for responses might be: Go step further and explain how mass is associated to density and volume.
Research and explain the Rutherford experiment. Explain how it was performed and what was concluded from results and why.
Explain Dalton's theory. What are all of the postulates? With recent discoveries about nature of the atom, does it still apply today?
If 5.00x10^3 kg each of NH3, O2, and CH4 are reacted, what mass of HCN and of H2O be produced, supposing 100% yield?
Write three ways in which yield of ammonia in reaction above can be improved for given amount of H2. Additionally, describe principle behind each method.
You should make 100 ml of 0.25 M HCl to do DNA extraction experiment. How much of 37.0% HCl concentration stock do you need to make this solution?
Suppose that you work at company which prepares chemical solutions. Find out the following: Mass percentage of solution for customer in hospital.
What is the importance of limiting reactant. Explain how it is found and what it tells us about amount of product which can be formed.
What may occur to large (i.e., 30-50lb) container of trichloro-s-triazinetrione, or calcium hypochlorite, if it is left to sit in water and muck remaining in building after fire fighting efforts ha
What is the most probable reason OSHA requires employers to protect flooring and handling areas in buildings against impregnation by ammonium nitrate.
Explain two ways that ammonium compounds decompose when they are heated. What chemical reaction is engaged in thermal decomposition of ammonium persulfate?
Do you call for evacuation of any, or all, of plant itself? There are roughly 180 employees currently on site during the first shift - located in different areas around plant.
Write a paper in which you examine effects of ionizing radiation on DNA to give the chemical reason as to why this might cause cancer.
What is meant by an electrolyte? What determines if it is strong or weak conductor? How does this associate to solubility? Provide some specific examples.
Explain chemical interactions of material(s) involved in the incident or hazardous properties relevant to incident. Describe mitigation required or implemented.
The density of gas phase at that point was found to be 0.1528 g L-1. Suppose gas phase is ideal and composed only of sulfur species (Sn), compute the value for n?
What is meant by photoelectric effect? What can you conclude about nature electrons in the atom from this phenomenon?
Write the set of quantum numbers for each 3d atomic orbitals. How many radial nodes does each of the given orbitals possess: (a) 3s; (b) 4p; (c) 5s; (d) 3d?
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Discreet mathemathics, Complete assignment. llllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll
History of indian economy, Analyse the changing pattern of India’s trade during the second half of the 19th century....................
Fifty-one sophomore, 42 junior, and 55 senior students are selected from classes with 516, 428, and 551 students respectively. Identify which type of sampling is used and explain your reasoning.