2. Na,CO3(aq) + FeCl2(aq) FECO,(s) + NaCI(aq) 3. Mg(OH)2(aq) + HCI(aq) MgCl2(aq) + H2O(1) 4. K2(C,04)(aq) CaCl(aq) KC((aq) Ca(C2O4)(s) 5. (NH4);PO4(aq) + Zn(NO3)2(aq) NH,NO3( ) Zn;(PO4)2() 6. LIOH(aq) + VCl;(aq) LİCI( ) + V(OH);( ) 7. Na,CO3(aq) HCl(aq) NaCl( ) CO:( ) H,O( ) + + +
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- Aleks data for AgBrO3 is 5.38 x 10^-5The maximum dose over 24 hours for OTC (over the counter use) of acetaminophen (medication in Tyleonol) is 4,000 mg. Many OTC and prescription medications contain acetaminophen along with other ingredients. Acetaminophen can be found in many cold medicines and in prescription painkillers such as Norco, which also contains the addictive opiod hydrocodone. Keeping track of sources and amount of acetaminophen is very important for your health. Abuse of Norco due to the opiod can also lead to toxic/lethal doses of acetaminophen. There are now strict regulations on the number of tablets of Norco that can be prescribed (7 day maximum per prescription, not refillable without another prescription). A tablet of Norco contains 325 mg of acetaminophen. Thirty tablets are in a week-long prescription post major-surgery to aid in recovery. How many grams of acetaminophen are in the 30 tablets?Liquid n-Hexane + oxygen react to to form carbon dioxide + water vapor. delta Hr= __? Kj Liquid sodium sulfate reacts with carbon monoxide(g) to form liquid sodium sulfide and carbon dioxide (g). delta Hr =__? KJ
- Chemistry In an analysis of the content of carbohydrate present in a glycoprotein, the following results were found: 12.6, 11.9, 13.0, 12.7 and 12.5 g of carbohydrate per 100 g of protein. Taking into account that σ is unknown, the confidence interval for the average value at a 90% confidence level of the carbohydrate content is: Select one:to. 12.5 ± 0.4b. 12.5 ± 0.2c. 12.5 ± 0.5d. 12.5 ± 0.3A student dissolves 10.3g of ammonium nitrate NH4NO3 in 300.g of water in a well-insulated open cup. He then observes the temperature of the water fall from 22.0°C to 19.3°C over the course of 3.1 minutes. Use this data, and any information you need from the ALEKS Data resource, to answer the questions below about this reaction: NH4NO3s -> NH+4aq + NO−3aq You can make any reasonable assumptions about the physical properties of the solution. Be sure answers you calculate using measured data are rounded to the correct number of significant digits. Is this reaction exothermic, endothermic, or neither? If you said the reaction was exothermic or endothermic, calculate the amount of heat that was released or absorbed by the reaction in this case. Calculate the reaction enthalpy ΔHrxn per mole of NH4NO3.H2SO3 = 0.2556 M, Ka1 = 1.6 x 10-2 , Ka2 = 6.4 x 10-8 NaOH = 0.3106 M please show all work all information needed is here
- How can I round this number? Example: Cp = qmetal = -365.4 cal = 0.0501 cal/g°C m∆T (109.7g)(-66.5°C) help me with this Cp = qmetal = -77.0 cal = 0.9803921cal/g°C m∆T (109.7g)(-66.5°C)1-Pentanol to 1-bromopentane Chemicals: - 60ml Conc. Sulfuric Acid - 100ml Saturated Sodium bicarbonate - 65ml 1-Pentanol - 78g sodium bromide - Distilled water - 58.42g 1-Bromopentane 1-Pentanol Sodium Bromide Sulfuric Acid 1-Bromopentane Formula C5H12O NaBr H2SO4 C5H11Br MW (g/mol) 88.15 102.894 98.078 151.04 Density (g/mL) 0.811 3.21 1.84 1.218 Boiling point (*C) 138 1,396 337 130 NaBr(aq) + H2SO4(aq) -> NaHSO4(aq) + HBr(aq) CH3(CH2)4OH(aq) + H+ Br- (aq) CH3(CH2)4OH2 (aq) + Br-(aq) CH3(CH2)4OH2 (aq) + Br-(aq) CH3(CH2)4Br(aq) + H2O(aq) How do I calculate the percent yield and identify the limiting reagent?Calcium citrate; MM=498.46 g/mol, a common preservative, has a Ksp of 1.12 x 10^-15 at 25°C.
- Ksp for Co(OH)2 is 5.92x10^-15What is ΔSsurr for a reaction at 28.6 °C with ΔHsys = 38.9 kJ mol-1 ? Express your answer in J mol-1 K-1 to at least two significant figures.If you find that [CoCl42-(aq)] = 0.783 M, [Co(H2O)62+(aq)] = 0.569 M, and [Cl-(aq)] = 0.495 M at 6 ∘C, what is value of ΔG at 6 ∘C, in kJ/mol? Express your response to two digits after the decimal.