A balloon is filled with a gas. The baloon’s volume is 2.1 L, and the gas pressure is 1.7 atm. Then the balloon is placed in a device squeezing the balloon. The volume of the baloon is now 1.3 L. What is the final pressure of the gas in the balloon? Assume that the temperature […]
The explosive, trinitrotoluene, TNT, C6H3N306, has the same proportion of: a. N to H atoms as does NH3 b. H to O atoms as does H20 c. N to O atoms as does NO2 d. C to H atoms as does C3H6 e. C to O atoms as does CO2. I know […]
Classifying Chemical Reactions Classify the following as a synthesis, decomposition, single replacement, double replacement, or combustion reaction. 1. 2KClO3 → 2KCl + 3O2 2. HCl + NaOH → NaCl + H2O 3. Mg + 2HCl → MgCl2 + H2 4. 2H2 + O2 → 2H2O 5. 2Al + 3NiBr2 → 2AlBr3 + 3Ni6. 4Al + 3O2 → 2Al2O37. 2NaCl → 2Na + Cl28. CaCl2 + F2 → CaF2 + Cl29. AgNO3 + KCl → AgCl + KNO310. C4H8 + 6O2 → 4CO2 + 4H2O
what volume of oxygen is required to burn 22.4L of propane in the following combustion reaction, assuming that both gases…
4-5 hours time only. Revision work required. Easy English please. Make some gramatical mistakes so that I am not caught. Use very simple English. The assignment was graded 40/100. I need a better score. find the attachment slides 26,27and 28 what we need to do the work there are instructions. in the pic it shows […]
write a 2 page paper on some kind of environmental pollution. liquid, water, or gas. Include citations. If you want to talk about global warming/climate change include a brief mention of what you believe is the null hypothesis. I don’t want an opinion paper, please include some citable facts and put the citations on a […]
Analyze, describe, explore, look into the applications and usages of a biologically-active molecule that you use (or have heard of) and find it interesting to write an essay about. Here are just some ideas: – sugars – carbohydrates – proteins – enzymes – fatty acids – trans, saturated or any specific one – metabolism of […]
1. How do nuclear reactions differ from ordinary chemical reactions? (3 points) 2. What is the difference between radioactive decay and nuclear transmutation? (3 points) 3. The table below is a summary of different modes of nuclear decay. Fill in the changes in atomic number (Z), number of neutrons (N), and mass number (A) […]
Unit VIII Scholarly Activity Instructions Research a carcinogen that can be classified as either an environmental or occupational toxicant that has had relevance in the news within the last five years. In your paper, analyze and briefly summarize the situation that brought the carcinogen to newsworthy status. Discuss the exposure limits of this […]
A crystal of solute is added to a solution, and the crystal remains undissolved. The solution is best classified as (1)…
