Answer:
Try using a solid and another type of phase like water and have it at different temperatures. Once you have done that, let them sit in your location that you have them. Make sure to have their starting temperatures and their ending temperatures which should be equilibrium because of the room temperature.
Explanation:
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The given chemical equation represents the combustion reaction of propanoic acid:
On balancing we get,
The above balanced chemical equation tells us that, 2 mol require 7 mol for complete combustion to produce and
Given moles of = 1 mol
Calculating moles of required for combustion:
Therefore, 3.5 mol Oxygen is required for complete combustion of 1 mol propanoic acid.
Answer:
d. Bar graph
Explanation:
a. Line graph - this type of graph is best for continuous data, such as how a the sales of a particular cereal drop over time
b. Pie chart - this is best for % data, such as looking at the % of different nutrients (carbohydrates, fats, proteins) in a cereal
C. Stem-and-leaf plot - presents quantitative data such as the ages of people who buy a brand of cereal
d. Bar graph - this is best for plotting different numbers in distinct categories to compare them to one another
Answer: One mol of NaCl (6.02 x1023 formulas) has a mass of 58.44 g.
To go from grams to moles, divide the grams by the molar mass. 600 g58.443 g/mol = 10.27 mol of NaCl.
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Explanation: