A bird flies 55 km, 30° north of east. What is its displacement along east and along north. Northward Eastward A) 48 B) 77 C) 55 D) 28 28 45 48

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Q: If you have 155 mL solution of a 0.762M FeCl, solution, how many moles of FeCla are contained in thi...

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Q: The standard molar enthalpy formation of ammonia, NH3(g) is -45.92 kJ. 1/2 N2(g) + 3/2 H2(g) ==> NH3...

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Q: The quantum numbers of the last electron of nickel could be: a) b) c) n= 3, € = 2, me =0, ms = 1/2 %...

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Q: How many grams of S are in 775g of SO2?

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Q: An element with the electron configuration [Xe] 6s 4f145d would belong to which class on the periodi...

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Q: When methane is burned with oxygen, the products are carbon dioxide and water. If you produce 18 gra...

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Q: What is the empirical formula of a molecule containing 65.5% carbon, 5.5% hydrogen, and 29.0% oxygen...

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Q: Draw the mechanism

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Q: Consider the following experimental data based on the inital rate method at 50 °C for the reaction: ...

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Q: 12.58 grams potassium hydroxide dissolved in 100 mL ethanol. What is the molality and (%w/w)?

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Q: A certain number of moles of gas is contained in a 36.2 liter flask at 13.5°C. When the temperature ...

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Q: picture of a nulene. What kind of hybridization do the two central carbon atoms have? What is the ge...

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Q: A 150.0 gram sample of a white powder contains 61.05 g of carbon, 7.65 g of hydrogen, and 81.30 g of...

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Q: Ø Attempt 2 Determine the mass percentage of carbon, C, hydrogen, H, and oxygen, O, in C,H¿O7. Refer...

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Q: A sample of Nitrogen gas occupies a volume of 217.6 ml at 86.3°C. What volume will it occupy at 29.2...

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Q: How many grams of calcium nitrate are present in 55.2 moles of Ca(NO3)2?

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Q: A chemist determines by measurements that 0.080 moles of iodine solid participate in a chemical reac...

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Q: - Select the correct statement for n-5 Electrons Orbitals a) 5 b) 25 c) d) 16 10 50 10 20 32

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Q: A commercial process for preparing ethanol, C,H50H(9) , involves the process of passing ethylene gas...

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Q: 12.58 grams potassium hydroxide dissolved in 100 mL ethanol. Give the molality and (%w/w).

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Q: 32. In which group do all the elements have similar chemical properties? a) P, S, Cl b) Ag, Cd, Ar c...

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