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3 years ago

11

During a chemical reaction, two hydrogen atoms combine with two oxygen atoms. How many hydrogen and oxygen atoms will be present

in the product?

1 answer:

Reil [10]3 years ago

3 0

Answer:

2 hydrogen and 1 oxygen atoms

Explanation:

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Calculate each of the following quantities.

Rudik [331]

Answer:

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Explanation:

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4 years ago

The actual value for absolute zero in degrees Celsius is −273.15. Use the formula below to determine your percent error for both

Artyom0805 [142]

Answer:

As you noticed, the percent-error formula needs you to use a value in the ... The actual absolute zero is 275C below my coldest recorded value. ... The only way your calculations makes sense is you're trying to calculate how ... Next, I'll interpret "I found that AZ is at -258°C" as "I calculated AZ to be 260 degrees below 2°C".

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3 years ago

When a ketone and its enol are in equilibrium, under most conditions the concentration of the enol is __________ the concentrati

Ray Of Light [21]

Answer:

D). Much lower than

Explanation:

When a ketone and its enol are in equilibrium, under most conditions the concentration of the enol is <u>Much lower than</u> the concentration of the ketone

because :

Carbon- oxygen bond is more stable(stronger) than Carbon-Carbon Bond

Keto - enol tautomerism is :

$H -C-C=O \rightleftharpoons C=C-O-H$

Ketone has C=O and enol has C=C

C=O bond energy is 745 kJ/mol

C=C bond energy is 614 kJ/mol

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3 years ago

What net force will make a 5 kg bowling ball accelerate by 1.5 m/s2

ehidna [41]

Force = Mass * Acceleration

Force = 5 * 1.5

Force = 7.5N

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3 years ago

A pool owner adds a compound containing chlorine to the pool to disinfect it. However, too much of the compound is added. As a r

MrMuchimi

Answer: He could add a base to the pool to neutralize the acid.

Explanation:

Chlorine is used to disinfect the pools as it produces hypochlorous acid in water. This hypochlorous acid is unstable and gives hydrochloric acid and nascent oxygen which is used to disinfect.

$Cl_2+H_2O\rightarrow HOCl$

$HOCl\rightarrow HCl+O$

The excess acid is neutralized by adding base which produces salt and water and thus decrease the acidity.

$Acid+Base\rightarrow Salt+water$

Adding more acid would increase the acidity further.

3 0

3 years ago

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