Answer:
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Convert amount of molecules into moles using Avogadro’s number
9.40 x 10^25 molecules H2 x 1 mole / 6.02 x 10^23 molecules
= 156 moles H2
Convert moles of H2 into grams using H2’s molar mass (1.01 x 2 = 2.02)
156 mol H2 x 2.02 g / 1 mol
= 315 g H2
Cell theory states that all the living organisms are made up of basic structural and functional units, cells. All cells divide and give rise to new cells. All the cells have similar chemical composition. The nuclei acid DNA present in the chromosomes helps in carrying hereditary information from generation to generation. So, in order to sustain life the cells must contain DNA either enclosed in the nucleus or freely floating in the cytoplasm.
Question:Which layer of the sun is only seen during the height of a total solar eclipse?
Answer: Corona
Explanation:During a total solar eclipse parts of the Sun that we normally can't see become visible but during it we can see the corona
question answered by
(jacemorris04)
The graph that shows that gases become increasingly soluble in a liquid as the temperature of the liquid decreases is a graph that shows these characteristics:
1) vertical-axis (traditional y-axis): solubility
2) horizontal-axis (traditional x-axis): temperature
3) graph: a curve with negative slope, i.e. the as the temperature (horizontal-axis) goes further to the right (increasing), the solubility (vertical-axis) goes downward.
An example of the application of this property is the CO2 in the sodas. CO2 incorporated at low temperature.
