Answer:
Moisture content in wet basis = 47.4 %
Explanation:
Moisture content expresses the amount of water present in a moist sample.Dry basis and wet basis are widely used to express moisture content.
The next equation express the moisture content in wet basis:
where, : moisture content in wet basis and
: moisture content in dry basis
We now calculate the moisture content in wet basis:
= 0.474 = 47.4 % wet basis
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Answer:
Its arrangement.
Explanation:
Hello,
In this case, we rewrite the chemical reaction as:
Now, a more organized dimensional analysis is shown below to determine the very same required value:
Without giving the numerical answer, one sees that the student's dimensional analysis is wrongly written as long as the 3 moles of must be dividing rather than multiplying as it is the relationship factor used to relate it with the based on the reaction stoichiometry. Moreover, the 6.7moles of must be multiplying as it is the starting value.
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Answer:
The error is in the rule of three.
3 mol of Ba(OH)2 ___ comes from ____ 1 mol Ba3N2
6.7 mol of Ba(OH)2 ___ comes from ___ (6.7 .1) / 3
Explanation:
Ba3N2 + 6H2O → 3Ba(OH)2 + 2NH3
3 mol of Ba(OH)2 x 1 mol of Ba3N2 / 6.7 mol of Ba(OH)2
- The rule of three is wrong.
- The chemical equation is ballanced.
- The question is not clear about which is the limiting reactant. May be we don't have enough water, so that's the limiting and Ba3N2 is in excess. So have to work with H2O.
The percent yield of the reaction : 89.14%
Reaction of Ammonia and Oxygen in a lab :
4 NH₃ (g) + 5 O₂ (g) ⇒ 4 NO(g)+ 6 H₂O(g)
mass NH₃ = 80 g
mol NH₃ (MW=17 g/mol):
mass O₂ = 120 g
mol O₂(MW=32 g/mol) :
Mol ratio of reactants(to find limiting reatants) :
mol of H₂O based on O₂ as limiting reactants :
mol H₂O :
mass H₂O :
4.5 x 18 g/mol = 81 g
The percent yield :
B. Platinum does not react with oxygen at room temperature.
C. The page of the textbook is white.
D. The copper sheets that form the "skin" of the Statue of Liberty
have acquired a greenish coating over the years.
A chemical property is a characteristic observed during a reaction where the substance's chemical composition changes. In the provided options, 'Platinum does not react with oxygen at room temperature' and 'The copper sheets of the Statue of Liberty have acquired a greenish coating over the years' are chemical properties.
In Chemistry, a chemical property is a characteristic that is observed during a reaction in which the chemical composition or identity of the substance is changed. Taking a look at the options provided:
So, the correct answers are options B and D. Both entail a change or lack of change in the chemical identity of a substance.
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Answer: option A. to decrease the solubility of the organic product in water
Explanation: sodium chloride solution act as a drying agent to remove water from an organic compound that is in solution. The salt water works to pull the water from the organic layer to the water layer,therby decreasing
Answer:
The wavelength of the radio wave is 3.003 m.
The energy of the radio wave is .
Explanation:
Frequency of the radio waves, ν = 99.9 MHz =
Wavelength and frequency are related to each other by realtion:
= Wavelength of the wave
c = speed of the light
ν = Frequency of the wave
The wavelength of the radio wave is 3.003 m.
The energy of the electromagnetic wave is given by Planck's equation:
h = Planck's constant =
The energy of the radio wave with 99.9 MHz frequency will be:
The energy of the radio wave is .