Answer:
Caffeine, lead, Copper(ii) chloride, Sodium chloride, silver and tungsten
Answer: 1.
2.
3. .
4.
has highest nitrogen content.
Explanation:
To calculate the mass percent of element in a given compound, we use the formula:
1.
2.
3.
4.
Thus has highest nitrogen content of 82.4%.
Answer:
expande
forman se alejan
Explanation:
Según las leyes de los gases ideales;
La ley de Charles establece que el volumen de una masa dada de gas ideal es directamente proporcional a su temperatura a la presión simultánea.
Esto significa que cuando se calienta una masa dada de gas ideal, el gas se expande y las moléculas de gas se alejan unas de otras de acuerdo con la ley de Charles.
Answer:
Gravitational potential energy transforms into thermal energy.
Explanation:
In diatomic molecule, the distance between the centers of two atoms is 1.22 .
Converting to m:
Since, 1 =
Thus,
1.22 =
Now, Converting m to feet:
1 m=3.28 feet
Thus,
Therefore, distance in feet is