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Norma-Jean [14]
3 years ago
14

Visible light is a mixture of: A.) refraction and reflection B.) atoms and molecules C.) many colors or D.) ultraviolet and nonv

iolet rays ?
Chemistry
2 answers:
irinina [24]3 years ago
8 0
C) Many colors  looks to be correct.
lord [1]3 years ago
4 0
Hello the answer is c
I love kay
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A liquid sample from a black oil reservoir had a volume of 227.0 cc in a laboratory cell at reservoir temperature and bubble-poi
WARRIOR [948]

Answer:

Formation volume factor  = 1.36

The solution gas-oil ratio = 0.00356

Explanation:

Given Data;

Volume of oil reservoir = 227.0 cc

Volume of oil in the tank = 167.4 cc

Separator production = 0.537 scf

Stock tank production = 0.059 scf

formation volume factor of the oil =?

The solution gas-oil ratio = ?

1. Formation volume factor is calculated using the formula;

Formation volume factor = volume of oil reservoir/volume of oil stock tank

Substituting, we have

Formation volume factor = 227.0/ 167.4

                                          = 1.36

2. The solution gas-oil ratio can be calculated using the formula;

The solution gas-oil ratio= total gas in scf/volume of stock tank

                                         = (0.537 + 0.059)/167.4

                                         = 0.596/167.4

                                        =0.00356

8 0
3 years ago
Is wood a colloid or suspension ?
Anuta_ua [19.1K]
Wood is a suspension.

The easiest way I believe to find out whether a substance is a colloid or a suspension is determining is determining if the particles in a substance separate when sitting still. Unlike those in a suspension, particles in a colloid do not separate when sitting still.

Hope this helped!
7 0
3 years ago
45. What is the H ion concentration of an aqueous solution
Vinvika [58]

Answer:

= 1 X 10⁻⁻¹²M

Explanation:

At 25°C & 1atm [H⁺][OH⁻] = 1 x 10⁻¹⁴ => [H⁺] = 1 X 10⁻¹⁴/[OH⁻] = 1 X 10⁻¹⁴/1 X 10⁻²

= 1 X 10⁻⁻¹²M

8 0
4 years ago
What is the mass of oxygen in 300 grams of carbonic acid (H2CO3)
DENIUS [597]

mass of carbonic acid = 300g

molar mass of H2CO3 = 2H + C + 3 O

= 2 x 1.008+ 12.01 + 3 x  16

= 62.03g/mol


moles of H2CO3 = mass/Molar mass

= 300/62.03

= 4.8364 moles


1 mole H2CO3 has 3 moles Oxygen


4.8364 moles H2CO3 contains  

=   3 x 4.8364  moles Oxygen  =   14.509 moles Oxygen


moles = mass/Molar mass


mass of oxygen = moles x Molar mass of Oxygen

= 14.509 x 16

= 232.15g Oxygen

mass of oxygen in 300g of carbonic acid(H2CO3) = 232.15g

7 0
4 years ago
G.P.E. on Earth is determined by an object's _______and _______
lozanna [386]

Answer:

mass and height of the object.

5 0
2 years ago
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