Answers
The total pressure of the gas, in kPa is equal to 102.4 kPa.
Given the following data:
- Atmospheric pressure = 100.8 kPa
- Pressure (open side) = 12 mm Hg
To determine the total pressure of the gas, in kPa:
First of all, we would convert the value of the pressure in mm Hg to kPa.
Conversion:
760 mm Hg = 101.325 kPa
12 mm Hg = X kPa
Cross-multiplying, we have:
X = 1.60 kPa
Now, we can calculate the total pressure by using this formula:
Total pressure = 102.4 kPa
Read more: brainly.com/question/22480179
Answer:
102kPa
Explanation:
760mmHg = 101.325 kPa
12mmHg = x
Upon converting from mmHg to kPa we have;
x = ( 12 mm Hg x 101.325 kPa) / 760mmHg
x = 1.599868421 kPa
Total pressure = 100.8 kPa + 1.599868421 kPa
Total pressure = 102kPa
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C in CH4 :
H in CH4 :
O in O2 :
C in CO2 :
O in CO2 :
H in H2O :
O in H2O :
Which atom is reduced?
Which atom is oxidized?
Answers
The oxidation numbers of the atoms of the specified elements in each of the given atoms are;
1) -4
1) -42) +1
1) -42) +13) 0
1) -42) +13) 04) +4
1) -42) +13) 04) +45) -2
1) -42) +13) 04) +45) -26) +1
1) -42) +13) 04) +45) -26) +17) -2
1) -42) +13) 04) +45) -26) +17) -2Atom oxidized = C
1) -42) +13) 04) +45) -26) +17) -2Atom oxidized = CAtom reduced = O
1) C in CH4
To get the oxidation number of C;
Oxidation state of hydrogen atom is +1 and so if the oxidation state of C is x, then we have;
x + 4(+1) = 0
x + 4 = 0
x = -4
2) H in CH4
Oxidation state on Carbon atom in this case is -4. Thus;
-4 + 4x = 0
4x = 4
x = +1
3) O in O2
This is oxygen gas that exists in it's free state and as such oxidation number is 0.
4) C in CO2
Oxidation state of O here is -2. Thus;
x + 2(-2) = 0
x - 4 = 0
x = +4
5) O in CO2
Oxidation state of C is +4 here. Thus;
4 + 2x = 0
2x = -4
x = -4/2
x = -2
6) H in H2O
Oxidation state of oxygen here is -2. Thus;
2x - 2 = 0
2x = 2
x = 2/2
x = +1
7) O in H2O
Oxidation state of hydrogen here is +1. Thus;
2(1) + x = 0
x = -2
Finally, oxidation number of carbon increased, then it is the atom that was oxidized while the atom reduced is the Oxygen atom.
Read more at; brainly.com/question/22816291
Answer:
1. -4
2. +1
3. 0
4. +4
5. -2
6. +1
7. -2
reduced = H
oxidized = O
Explanation:
Know oxidation rules.
- Hope this helped! Please let me know if you would like to learn this. I could show you the rules and help you work through them.
b. [Xe] 6s24f145d2
c. [Ar] 4s23d5.
Answers
Answer:
Explanation:
the electron configuration is defined as the distribution of electrons of an atom or molecule in atomic or molecular orbitals. It is
used to describe the orbitals of an atom in its ground state
The valence electrons, electrons in the outermost shell, can be used to know the chemical property
a)
Chemical Name of the Element: Selenium
Chemical Symbol: Se
Group it belong in periodic table:6A
Other Element in the same group:tellurium(Te),,sulfur(S)
atomic number = 34
Selenium is a chemical element that has symbol Se It is a nonmetal which is usually classified as metalloid with properties that are intermediate between the elements above and below in the periodic table.
b)Chemical Name of the Element:Hafnium
Chemical Symbol: Hf
Group it belong in periodic table:4B
Other Element in the same group: Titanium( Ti )Rutherfordium
atomic number: 72
Hafnium is a solid at room temperature.
c)Chemical Name of the Element: Manganese
Chemical Symbol:Mg
Group it belong in periodic table:Mn
Other Element in the same group:Bohrium(Bh) ,Technetium(Tc)
Answers
The question is incomplete, complete question is ;
A deep-sea diver uses a gas cylinder with a volume of 10.0 L and a content of 51.8 g of and 33.1 g of He. Calculate the partial pressure of each gas and the total pressure if the temperature of the gas is 21°C.Express the pressures in atmospheres to three significant digits separated by commas.
Answer:
Partial pressure of the oxygen gas is 3.91 atm.
Partial pressure of the helium gas is 20.0 atm
Total pressure of the gases is 24.0 atm
Explanation:
Moles of oxygen gas =
Moles of helium gas =
Total moles of gas =
Volume of the cylinder = V = 10.0 L
Total pressure in the cylinder = P = ?
Temperature of the gas in cylinder = T = 21°C = 21 + 273 K = 294 K
PV = nRT ( ideal gas equation )
P = 23.88 atm ≈ 23.9
Partial pressure of the individual gas will be determined by the help of Dalton's law:
partial pressure = Total pressure × mole fraction of gas
Partial pressure of the oxygen gas
Partial pressure of the helium gas
Answers
The green house gases in the atmosphere can change the behavior of energy on earth. Thus i agree with this statement.
What is green house effect?
The green house effect is defined as a process by which the radiations from the sun are absorbed by the green house gases like methane, Chloro fluoro carbons and not reflected back into the space. This makes the surface as insulator and prevents it from freezing.
Due to the increased level of green house gases, the temperature of the earth increases considerably and thereby causes global warming, depletion of ozone layer, smog and air pollution, etc.
It is the natural green house effect which affect the behaviour of heat energy radiated by the sun. The green house gases never let the radiations escape from the earth and increase the surface temperature of earth. This leads to global warming.
Thus green house gases affects the solar energy.
To know more about Global warming, visit;
#SPJ6
Answer:
I agree
Explanation:
because the sunlight passes through the atmosphere and is absorbed by earth's surface.
Answers
The atoms having the same number of protons but a different number of neutrons have been termed isotopes.
The neutrons and protons are the constituents of the nucleus. The number of protons and electrons is equal in the atom. When two different atoms have the same number of protons the species have been termed isotopes. The atomic number of the species differ that resulting in the different positions in the periodic table.
For more information about the atoms, refer to the link:
In codominance, both allels are expressed in the offspring; In incomplete dominance, only one allele is expressed in the offspring.
In codominance, both alleles are expressed in the offspring; in incomplete dominance, the offspring demonstrate an intermediate form of the alleles from the parents.
In codominance, the offspring demonstrate an intermediate form of the alleles from the parents; in incomplete dominance, both alleles are expressed in the offspring.
Answers
Answer:
C Because im in 3rd grade and just did the test
Explanation:
im smart im in third grade but your doing this in college
Answer:
answer is c: In codominance, both alleles are expressed in the offspring; in incomplete dominance, the offspring demonstrate an intermediate form of the alleles from the parents.
Explanation: