QUESTION 19 Given the recipe: 2 cups flour + 1 egg + 3 oz blueberries → 4 muffins. You can make 9 muffins from 3.5 cups of flour. ○ True ○ False
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A: The given mechanism follows E2 mechanism.Explanation:
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A: The relationship between Kp and Kc is shown below. Here X + 3Y ---> 3Z Δn = 3 - (3+1) = -1T = 81…
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Q: Cl + Х Click and drag to start drawing a structure.
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- 87.) All the fertilizers listed below contribute nitrogen to the soil. If all these fertilizers are sold for the same price per gram of nitrogen, which will cost the least per 50-lb bag? Urea, (NH2)2CO Ammonia, NH3 Ammonia nitrate, NH4NO3 Guanidine HNC(NH2)2Consider the recipe for making tomato and garlic pasta. 2 cups noodles +12 tomatoes +3 cloves garlic 4 servings pasta If you have 7 cups of noodles, 27 tomatoes, and 9 cloves of garlic, how many servings pasta can you make? Which ingredient limits the amount of pasta that it is possible to make?Interconversion Between Mole and Molar Mass Mass Unit in gram → Counting Unit in mol NaCI 1:1 46g : 46g? QUESTION The abundance of Na and Cl in the NaCl compound is in the ratio of 1 to 1. Thus if the mass of Na is 46 g, then the corresponding mass of Cl is 46 g. True or False? Justify your choice for the answer.
- Example 60 mice, each weighing 2 kg, were used in a lethal dose (LD50) experiment. The number of death mice versus the mass of substance A given to each mouse presented in the Figure below. 70 60 E S0 40 30 ultann A E 20 10 10 15 20 29 30 35 40 Mass of Sulstance given to each mouse (mg) Calculate the lethal dose (LD50) of substance A and B seperately. • Which one of the substances is more toxic? Number of death miceAl(OH)3 1.80×10-33 BaCO3 2.58×10-9 BaC2O4·2H2O 1.10×10-7 BaCrO4 1.17×10-10 BaF2 1.84×10-7 Ba(IO3)2 4.01×10-9 BaSO4 1.08×10-10 Bi2S3 1.60×10-72 CaCO3 3.36×10-9 CaC2O4·H2O 2.32×10-9 CaCrO4 1.00×10-8 CaF2 3.45×10-11 Ca(IO3)2 6.47×10-6 Ca(OH)2 5.02×10-6 Ca3(PO4)2 2.07×10-33 CaSO4 4.93×10-5 CdCO3 1.0×10-12 Cd(OH)2 7.2×10-15 CdS 8.00×10-28 CoCO3 1.00×10-24 Co(OH)2 5.92×10-15 CoS 4.00×10-21 Cr(OH)3 3.00×10-29 CuBr 6.27×10-9 CuCl 1.72×10-7 CuCO3 3.00×10-12 CuI 1.27×10-12 Cu(OH)2 2.20×10-20 CuS 6.00×10-37 Fe(OH)2 4.87×10-17 Fe(OH)3 2.79×10-39 FePO4 1.30×10-22 FeS 6.00×10-19 Hg2Br2 6.40×10-23 Hg2Cl2 1.43×10-18 Hg2CO3 3.6×10-17 Hg2(CN)2 5.00×10-40 Hg2I2 5.2×10-29 HgS 4.00×10-54 Hg2SO4 6.5×10-7 PbBr2 6.60×10-6 PbCl2 1.70×10-5 PbCO3 7.40×10-14 PbCrO4 2.00×10-14 PbF2 3.3×10-8 PbI2 9.8×10-9 Pb(IO3)2 3.69×10-13 PbS 3.40×10-28 PbSO4 2.53×10-8 MgCO3 6.82×10-6…How many grams of NBr3 can be made from 525 g Br2 ? N2 + 3 Br2 → 2 NBr3 + 44.0 kJ The molar mass of NBr3 is 253.719 g and the molar mass of Br2 is 159.808 g ________________ mol Br2 (525 g Br2)(–––––––––––––––––––––––––––) = _____________ mol Br2 _________________ g Br2 _________________ mol NBr3 _____________________ mol Br2 (–––––––––––––––––––––––––––––––) = ______________ mol NBr3 _________________ mol Br2 __________ g NBr3 __________________ mol NBr3 (–––––––––––––––––––––––––––––) = _____________ g NBr3 note: this is a theoretical yield…
- The following reaction was performed in the lab: 8.0 g of solid baking soda ( NaHCO3 ) was placed in a ceramic dish and heated until it decomposed, according to the following equation: 2NaHCO3(s)→CO2(g)+H2O(g)+Na2CO3(s) The following experimental data was collected for the previous experiment: Mass of ceramic dish (empty) 9.50 g Mass of ceramic dish + NaHCO3 (before heating) 17.50 g Mass of ceramic dish (after heating) 14.00 g What mass of solid Na2CO3 would you expect to make in this experiment? Based on the data in the table, what was the actual yield of Na2CO3 in the experiment? What was the percent yield of Na2CO3 in the experiment?Mr. Ragusa asks Hannah to make copper crystals from the following reaction. Cu(NO3)2 + 2Na --> 2NaNO3 + Cu Mr. Ragusa gives Hannah 86 g of sodium to conduct the experiment. Hannah gives Mr. Ragusa 52 g of copper crystals. What was Hannah's percent yield for her experiment? Please round your answer to 2 decimal places and do not include a unit for your answer.Chemistry Consider the following chemical equation. Ti(s) + 2C12(g) → [balanced] TiCl4(s) Is the following statement true or false, assuming that the names of substances are correctly given? One gram of titanium metal and two grams of chlorine gas react and produce one gram of solid titanium tetrachloride. (True or False)
- A student needs to produce 27.42 grams of nitrogen gas (N2) for a lab experiment. How many grams of ammonia (NH3) will be required to produce this amount of nitrogen? Round your answer to the nearest 0.01 and remember to include units and substance! NH3 --> N2 + H2Assume that your empty crucible weighs 15.98 g, and the crucible plus the sodium bicarbonate sample weighs 18.56 g. After the first heating, your crucible and contents weighs 17.51 g. After the second heating, your crucible and contents weighs 17.50 g. Answer the following questions based on this information.3 AGNO, + K,PO, --> Ag.PO, + 3KNO, Describe what is happening Reactants combine into a large one Reactant breaks apart into smaller molecules O A pure element swaps places with an element in a compound elements from two different compounds switch place O a hydrocarbon reacts with oxygen to form carbon dioxide and water