Chemistry

Chemistry, 28.06.2019 10:00, Maddenmobile7625

How do you find the atoms of nitrogen in this substance (nh4)2co3?

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Biology, 05.07.2019 23:30, eminh5145

Nitrogen gas consists of: a. two separate nitrogen atoms b. a diatomic nitrogen atom c. a molecule of two nitrogen atoms d. a compound of nitrogen atoms

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Chemistry, 15.07.2019 17:30, yessy73

The atomic symbols of nitrogen and oxygen are n and o, respectively. the chemical formula of a particular substance is no2. which of the following is a correct description of the substance? a. a compound made up of 2 nitrogen atoms and 2 oxygen atoms b. an element made up of 2 nitrogen atoms and 2 oxygen atoms c. a compound made up of 1 nitrogen atom and 2 oxygen atoms d. an element made up of 1 nitrogen atom and 1 oxygen atom

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Physics, 18.10.2019 20:00, fernandezvela27

3. a 2.5 mm thick steel pipe (diameter 25 cm) transports nitrogen gas at a temperature of 500°c. in any 10 cm section of the pipe, nitrogen atoms are "lost" into the external environment at a rate of 7.5 x 108 atoms/s. if the nitrogen concentration at the exterior pipe surface is 1.5 x 1012 atoms/cm3, find the nitrogen concentration at the interior pipe surface. the diffusion constants for nascent nitrogen in steel are do = 0.003 cm2/s, q = 76.1 kj/mol and r = 8.314 j/k·mol.

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Chemistry, 04.11.2019 20:31, MaryLIT

Nitrogen gas consists of two separate nitrogen atoms a diatomic nitrogen atom a molecule of two nitrogen atoms a compound of nitrogen atoms

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