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Assume that your child has a nightmare, wakes up, and you provide them comfort. They ask you why their body is acting the way it does, and how to help calm down. Explain what is happening in terms of the sympathetic and parasympathetic systems.
Assuming the peaks are caused by 12C and 13C isotopes, determine the number of carbon atoms in the compound. Natural abundances: 12C is 98.93% and 13C is 1.07%.
Baking soda is the general name for sodium bicarbonate (NaHCO3). A 0.2087g aliquot of a commercial baking soda product was treated w/25mL of 0.1028M HCL and after that back titrated to give an end point at 2.53ml during the addition of 0.0565M NaO..
Problem- The ion I5- is shaped like a big V. Draw an electron dot structure consistent with its overall shape. 1) Draw the electron dot structure.
What volume, in liters, of O2 at 35°C and 1.19 atm can be produced from the decomposition of 10.0 g KNO3? 2 KNO3(s) → 2 KNO2(s) + O2(g)
cindy an overweight high school student is overheard telling her friend that shes going to research how she can
consider a situation in which 235g of p4 are exposed to 272g of o2. what is the maximum amount of p2o5 that can
When 200 ml of an aqueous benzoic acid solution were extracted with 30 ml of ethyl acetate, 45% of the benzoic acid were extracted. Calculate the partition coefficient of benzoic acid
A sample of the weak base hydroxylamine is titrated with 0.0900 M HCl. 30.0 mL is required to reach the endpoint. After the addition of 10.0 mL of titrant, the pH is 6.26. Calculate the pKb of hydroxylamine
Calculate the vapor pressure of water, in torr, above a solution prepared by dissolving 62.60 g of ZnCl2 in 429.0 g of water at 328.0 K. The vapor pressure of pure water at 328.0 K is 118.0 torr.
What is the similarity in these diagrams? The sodium ion and the neon atom are isoelectronic (have the same electron configuration).
question 1 on a potential energy diagram the activation energy is greatest under which of the following conditions?the
dissolved in enough water to produce 162.5 mL of solution and that 18.8 mL of this solution is titrated to the stoichiometric point with 14.6 mL of 0.0307 M HCl(aq). What is the percentage purity of the original sample?
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