A chemist wishing to do an experiment requiring "a (half-life = 4.5 days) needs 3.0 ug of the nuclide. What mass of "Caco, must be 47 ordered if it takes 24 h for delivery from the supplier? Assume that the atomic mass of "Ca is 47.0 u. Са Mass %D

Q: At 1.00 atm and 0 °C, a 5.04 L. mixture of methane (CH₂) and propane (C,H,) was burned, producing…

A: Given :-  Volume of CH4 and C3H8 gas mixture = 5.04 L  Mass of CO2 = 16.5 g  Pressure = 1 atm…

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Q: An organic compound (with an index of hydrogen deficiency of 1), containing only carbon, hydrogen,…

A: Analytical study:

Q: The density of octane can be assumed as d = 0.703 g/ml. Establish the mass of octane in 2 l of…

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Q: 5. 2C,H,0, + 150, – 14CO, + 6H,O a) o, to Co, b) C,H,O, to 0, c) co, to H,0

A: Answer :-  The mole-to-mole ratio for the reaction 2C7H6O2 + 15O2 → 14CO2 + 6H2O is  O2 to CO2…

Q: 7 ОН

A:

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Q: s.com/course.html?courseld%3D15828855&HeplD353706194671Of71a192e43597b01c6e0#10301 Principles of…

A: Given, Volume of gaseous CH4 burned = 0.55L. The balanced equation for combustion of methane with…

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Q: The balanced equation for burning octane is: 2 C8H18(g) + 25 O2(g) --> 18 H₂O(g) + 16 CO2(g). What…

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A: the solution is as follows:

Q: In 2017, the atmospheric mixing ratio of CO2 is approximately 410 ppmv. In order to bring the…

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Q: the reaction of 309 kg CH3OH with 543 m3 CO(g) at 1 atm and 175 °C?

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Q: 4. Silver reacts with HNO3 to produce hydrogen gas, H2, and AgNO3. 2Ag(s) = 2HNO3 (aq) AgNo3 (aq)…

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Q: 2. Set up an ICE table for the addition of 0.5 ml. 0.2 M NAOH to the 0.1 M buffer and calculate the…

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Q: 57. Cu(s) + 4H† (aq) + 2NO3(aq) → 2NO₂(g) + Cu²+ (aq) + 2H₂O(/) .In the above reaction at 1 atm and…

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Q: Which of the following substances was used to test for the pressence of carbon dioxide in expired…

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Q: Isooctane (C8H18) is burned with air in an engine at an equivalence ratio of 0.83%. Assuming…

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Q: What is the mole ratio for O2 gas to water for the balanced equation for the complete combustion of…

A: What is the mole ratio for O2 gas to water for the balanced equation for the complete combustion of…

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Q: The great French chemist Antoine Lavoisier discovered the Law of Conservation of Mass in part by…

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Writing and Balancing Nuclear Equations

A nuclear equation is a symbolic representation of a nuclear reaction using certain symbols. It is studied in nuclear chemistry and nuclear physics.