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ahrayia [7]
3 years ago
14

Why is light energy written on the left side of the equation

Chemistry
1 answer:
Kipish [7]3 years ago
5 0
Energy from SUNLIGHT + CO2(g) + H2O(l) = C6H12O6 (glucose) + O2(g)
The above is unbalanced, but it shows that sunlight is on the left side of the equation.
Sunlight provides the energy for the reaction to take place, without it nothing would really happen. Therefore it is an INPUT into the equation, thus it is on the left side. Outputs are placed on the right side of the equation.
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What is the temperature of 0.5 moles of water vapor that occupies 120 dm3 and applies a pressure of 15,000 Pa to its container?
MArishka [77]
Use the ideal gas law:

PV = nRT

so, T = PV / nR

n=0.5
V= 120 dm^3 = 120 L  (1 dm^3 = 1 L)
R = 1/12
P = 15,000 Pa =  0.147 atm     (1 pa = 9.86 10^{-6} )

Put the values:

T = PV / nR
T = (0.147) (120) / (0.5) (1/12)
T= 426 K
6 0
3 years ago
Fill in the blank: in space, astronauts experience ________ which is the apparent loss of weight of an object that is falling in
jeka57 [31]
Astronauts experience weightlessness which is the apparent loss of weight of an object that is falling in gravitational field
3 0
3 years ago
PLEASE HELP WILL MARK BRAINLIESTTTT!!!!
Brilliant_brown [7]

Answer:

Iconic bond or covalent bond

Explanation:

7 0
2 years ago
Read 2 more answers
How do you calculate mass using density and volume??
LiRa [457]
Just reorder the equation

Density= mass/volume
8 0
3 years ago
#15 fill in the following table regarding ions
Natasha_Volkova [10]

Answer:

P^{3-}         Anion      Gained 3         18          

Sr^{2+}       Cation      Lost    2          36

Fe^{3+}       Cation     Lost    3          23

Explanation:

Looking at the ionic notation, the negative symbol (-) indicates that there are more electrons than protons and the positive symbol (+) indicates that there are more protons than electrons.

The number tells you how many was gained or lost.

To determine how many electrons are left, you base this off how many protons there are. The number of protons in an atom is expressed by the atomic number. In a stable atom, you have an equal number of protons and electrons.

Ions occur when electrons are gained or lost.

A cation is positively charged because it LOST an electron. Since there are more protons than electrons, the charge would be positive.

An anion is negatively charged because it gained an electron. Since there are more electrons than protons, the charge would be negative.

Using the explanation above, you can see how the answers were obtained. As for the last column, just use basic math to do this.

The atomic number of Phosphorus (P) is 15, so this means that there are 15 protons. Since it gained 3 electrons, just add 3 to 15:

15 + 3 = 18

Sr has an atomic number 38. Since it lost 2 electrons, just subtract 2 from the atomic number.

38-2 = 36

Fe has an atomic number 26. It lost 3 electrons, so we subtract again.

26-3 = 23

7 0
3 years ago
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