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.
Because if you start at one for example you starting at a extra cm/m/mm. So when you get your measurement result it will be wrong by just one cm/m/mm. Hope this wasn't too confusing.
Answer:
it's an example of a closed circuit
Answer:
d.
Explanation:
Mass of calcium = 4.00 g
Molar mass of calcium = 40.078 g/mol
<u>Moles of calcium = 4.00 / 40.078 moles = 0.9981 moles</u>
Given that the compound only contains calcium and bromine. So,
Mass of bromine in the sample = Total mass - Mass of calcium
Mass of the sample = 20.0 g
<u>Mass of bromine in sample = 20.0 - 4.00 g = 16.0 g</u>
Molar mass of bromine = 79.904 g/mol
<u>Moles of Bromine = 16.0 / 79.904 = 0.2002 moles
</u>
Taking the simplest ratio for Ca and Br as:
0.9981 : 0.2002 = 5 : 1
The empirical formula is =
Answer:
heated crude oil enters a tall fractionating column , which is hot at the bottom and gets cooler towards the top. vapours from the oil rise through the column. vapours condense when they become cool enough. liquids are led out of the column at different heights.
Explanation: