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sdas [7]
3 years ago
9

_____ are the results of a thoroughly tested hypothesis?

Chemistry
1 answer:
Andru [333]3 years ago
6 0

i think its theory but im not to sure

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How much water, in grams, can be made from 1.03 x <img src="https://tex.z-dn.net/?f=10%5E%7B24%7D" id="TexFormula1" title="10^{2
krok68 [10]

Answer:

30.8 g of water are produced

Explanation:

First of all we need the equation for the production of water:

2H₂ + O₂ → 2H₂O

2 moles of hydrogen react with 1 mol of oxygen in order to produce 2 moles of water.

As we assume, the oxygen in excess, we determine the moles of H₂.

1.03ₓ10²⁴ molecules . 1 mol/ 6.02ₓ10²³ molecules = 1.71 moles

Ratio is 2:2, so 1.71 moles will produce 1.71 moles of water

Let's convert the moles to mass: 1.71 mol . 18g / 1mol = 30.8 g of water are produced

5 0
3 years ago
Copper oxide is a: (Multiple Choice)
Triss [41]

Answer:

The answer is 5. Compound

7 0
3 years ago
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A brick has dimensions of 15 cm x 6.0 cm x 12 cm. What is the volume of the brick in cubi meters?
Likurg_2 [28]
Convert all of the units from centimeters to meters by moving the decimal point over to the left two digits.

0.15 m x 0.06 m x 0.12 m

Volume = length x width x height
             = 0.15 x 0.06 x 0.12 = 0.00108 m^3
6 0
2 years ago
In the kinetic theory, the particles in a gas
Lady_Fox [76]

Answer:

Im pretty sure its B

Sorry if Im wrong

Explanation:

Have a wonderful day!!!<3

7 0
3 years ago
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Please put the molecular compound names for these compound formulas. Answer as many as you want. Thanks
never [62]

Answer:

Explanation:

N₂O₄

Dinitrogen tetroxide. It is also known as nitrogen tetroxide.

SO₃

Sulfur trioxide

NO

Nitric oxide

NO₂

nitrogen dioxide

As₂O₅

Arsenic pentoxide

PCl₃

Phosphorus trichloride

CCl₄

Carbon tetrachloride

H₂O

Water

SeF₆

Selenium hexafluoride

N₂O₄

Dinitrogen tetroxide

SO₃

Sulfur trioxide

5 0
3 years ago
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