Chemistry, 18.07.2019 07:30, reneebrown017
Chemistry questions! 3. when two atoms of 2h (deuterium) are fused to form one atom of 4he (helium), the total energy evolved is 3.83 ? ? 10-12 joules. what is the total change in mass (in kilograms) for this reaction? 4. the mass of a proton is 1.00728 atomic mass units (amu) and the mass of a neutron is 60co nucleus whose nuclear mass is 1.00867 amu. what is the mass defect (in amu) of a 27 59.9338 amu? what is the mass defect in kilograms? what is the energy equivalent of this mass in kilojoules? 5. the equation shows one mole of ethanol fuel being burned in oxygen. convert the energy released into its equivalent mass. c2h5oh(l) + 3 o2(g) -> 2 co2(g) + 3 h2o (l) ? ? h = -1418 kj/mol
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Chemistry, 22.06.2019 03:50, sgslayerkingminecraf
Which of the following statements about acidic water is true? a. acid has no effect on the h, o molecules. b. the solution contains a larger number of oh ions than h, o ions. c. the solution contains a larger number of h, o ions than qh ions. d. the solution contains an equal number of h, o ions and oh ions. none of the above e.
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Chemistry, 22.06.2019 23:50, datboyjulio21
Which scientists contributed to the determination of how cfcs in clouds in the upper atmosphere could destroy ozone molecules
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Chemistry, 23.06.2019 01:00, ZaNiyahlove4711
Which of the following is the molecular formula for a simple sugar? a. cooh b. h2o c. oh d. c6h12o6
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Chemistry questions! 3. when two atoms of 2h (deuterium) are fused to form one atom of 4he (helium...
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