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Mrrafil [7]
2 years ago
8

Petrified fossils are really

Chemistry
1 answer:
Anna35 [415]2 years ago
3 0
I think it would be either dead bodies or rocks? i dont really understand too well but sorry if this doesn’t help!! :((
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Laura sees a horse pulling a buggy.
Tcecarenko [31]

Answer:

B

Explanation:

I think that the anserw is B.

4 0
2 years ago
The gas pressure inside a high vacuum chamber is 0.000000132atm. Calculate the gas pressure in mmHg and torr. Round each of your
Bumek [7]

Answer:

The gas pressure in both mmHg and torr is 1.00 x10⁻⁴.

Explanation:

The standard atmosphere (1 atm) equals a pressure  of 760 mmHg, where mmHg represents the pressure exerted by a column of mercury  1 mm high. <u>The mmHg unit is also called the torr</u>, after the Italian scientist Evangelista  Torricelli, who invented the barometer. Thus,

1 torr = 1 mmHg  

and  

1 atm = 760 mmHg = 760 torr

Therefore, we do the following conversion:

1 atm ------------------- 760 mmHg

1.32x10⁻⁷ atm ------- x=  1.00 x10⁻⁴ mmHg (3 significant digits)

4 0
3 years ago
Read 2 more answers
Correctly balance this equation: <br> K+O2=K2O
jeka57 [31]
K + 02 ---> K20

4K + O2 ---> 2K2O
7 0
3 years ago
Why reaction between phosphorus and oxygen produces four atoms of phosphorus and five atoms of oxygen
andreev551 [17]

Answer:

Reaction between an oxygen and  a phosphorus will produce oxides of phosphorus.

Explanation:

Reaction between oxygen and phosphorus produces four atoms of phosphorus with five atoms of oxygen. Sometimes it produces two atoms of phosphorus and five atoms of oxygen and sometimes four atoms of phosphorus and six atoms of oxygen. It does so depending upon the availability of oxygen. The size of phosphorus atom  interferes with the ability to form a double bonds to the other elements, such as nitrogen, oxygen, etc.

4 0
3 years ago
Reactions which do not continue to completion are called _____reactions
SIZIF [17.4K]
I think the answer is reversible. Reversible reaction is a kind of reaction which can react in both direction at the same time. And when the both side reactions get the same speed, the reaction is at a equilibrium state.
8 0
3 years ago
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