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goldfiish [28.3K]
3 years ago
14

gaseous methane undergoes complete combustion by reacting with oxygen to form carbon dioxide and water vapor . what is the balan

ced equation?
Chemistry
1 answer:
babunello [35]3 years ago
8 0
CH4(g) + 2 O2(g)  ---->  CO2(g) + 2 H2O(g)
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Suppose your bedroom is 21 ft long, 17 ft wide, and the distance from floor to ceiling is 7 ft, 6 in. You need to know the volum
umka21 [38]

Answer:

1. 75.82 m^3 (cubic meters)

2. 75820 L (Liters)

Explanation:

Given data

L = 21 FT

W = 17 ft

h = 7 ft 6 in

Calculation

Formula to calculate volume is:

     V= L×W×h

put the values in formula

      V = 21 ft × 17 ft × 7 ft 6 in

       V = 2677.5 ft

Now we will convert Cubic ft to cubic meters, as we know that 1 cubic meter is equal to 35.3147 cubic feet

      V (m^3) = 2677.5  ÷ 35.3147

      V (m^3) = 75.82 m^3

Now we will calculate liters

as we know that 1 cubic meter is equal to 1000 liters

so multiply the ans. with 1000

    L = 75.82 × 1000

    L = 75820 l

4 0
3 years ago
What physical meaning is attributed to ψ², the square of the wave function?
Zigmanuir [339]

Answer:

The probability density (ψ2)

Explanation:

Indicates the probability of finding the electron in a certain region of space when it is squared ψ2.

This means that define2 defines the distribution of electronic density around the nucleus in three-dimensional space; a high density represents a high probability of locating the electron and vice versa.

The atomic orbital, can be considered as the electron wave function of an atom.

APPLICATIONS:

1.- Specify the possible energy states that the electron of the hydrogen atom can occupy and identify the corresponding wave functions medio, by means of a set of quantum numbers, with which an understandable model of the hydrogen atom can be constructed.

2.- It does not work for atoms that have more than one electron, but the problem is solved using approximation methods for polyelectronic atoms.

3 0
3 years ago
Mitochondria _ <br>Plant​
ira [324]

Answer:

??????

Explanation:

4 0
3 years ago
Read 2 more answers
How many magnesium atoms are contained in 3.75 moles of magnesium?
Katarina [22]
In 1 mole of magnesium there are Avogadro's number of atoms are present.
Avogadro's number = 6.023 x 10²³ 
1 mole = 6.023 x 10²³ atoms
3.75 moles = 3.75 x 6.023 x 10²³ 
=2.26 x 10²⁴
So, in 3.75 moles of magnesium there are 2.26 x 10²⁴ atoms of magnesium are present.
7 0
3 years ago
Perform the following conversions:
ololo11 [35]

Answer:

a) 20^0C and 293K

b) 437K and 327.2^0F

c) -273^0C and 459.44^0F

Explanation:

Temperature of the gas is defined as the degree of hotness or coldness of a body. It is expressed in units like ^0C , ^0Fand K  

These units of temperature are inter convertible.

t^0C=(t+273)K

t^oC=\frac{5}{9}\times (t^oF-32)

K-273=\frac{5}{9}\times (^oF-32)

a)  68°F (a pleasant spring day) to °C and K.

Converting this unit of temperature into ^0C and K by using conversion factor:

t^oC=\frac{5}{9}\times (68^oF-32)

t=20^0C

20^0C=(20+273)K=293K

b) 164°C (the boiling point of methane, the main component of natural gas) to K and °F

Conversion from degree Celsius to Kelvins  and Fahrenheit

164C=\frac{5}{9}\times (t^oF-32)

t^0F=327.2

164°C=(164+273)K=437 K

c) 0K (absolute zero, theoretically the coldest possible temperature) to °C and °F.

K-273=\frac{5}{9}\times (t^oF-32)

0-273=\frac{5}{9}\times (t^oF-32)

t=-459.4^0F

t^K=(0-273)^0C=-273^0C

8 0
3 years ago
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