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3 years ago

HELP! 10 pts!! || Which does NOT describe a water molecule?

Chemistry

1 answer:

AVprozaik [17]3 years ago

5 0

Answer:

C.)

Explanation:

Hope this helps:)

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Write a balanced chemical equation, including physical state symbols, for the decomposition of solid sodium azide (NaN3) into so

LenaWriter [7]

Answer:

39g

Explanation:

Details of the solution is shown below. From the information provided regarding the N2 produced, we could calculate the amount of N2 produced and use that to find the mass of sodium azide reacted.

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3 years ago

In 1687, ___ explained that gravitational forces hold the solar system together.

Nimfa-mama [501]

Newton ,perhaps as many other originations use it as a gravitational law

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3 years ago

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When a plant is entering the Calvin cycle of photosynthesis_____.

Andrei [34K]

B). light energy is not required to proceed

Explanation:

In the Calvin cycle of photosynthesis, light energy is not required. The Calvin cycle is light independent and it is made up of a series of redox reactions.

During photosynthesis reactions, green plants manufacture their food using carbon dioxide, sunlight and water.
During the Calvin cycle aspect, light energy is not required for chemical reactions to take place. The light energy helps to move electrons.
The cycle is also known as dark reactions.
It is at this stage that carbon dioxide combines with water to form glucose.
The reaction is initiated with light energy which produces NADPH and ATP.
The Calvin cycle follows by using the NADPH and ATP to produce glucose in the dark phase.

Learn more:

ATP brainly.com/question/2953868

Light dependent reactions brainly.com/question/6866300

#learnwithBrainly

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3 years ago

If sulfur dioxide and oxygen can be made into sulfur trioxide, what is the reverse reaction? A. SO3 +O2à SO3 B. 2SO2 + O2à 2SO3

ycow [4]

REVERSE REACTION WILL BE SO2+O2

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3 years ago

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(c) O2 gas is transferred from a 3 L vessel containing oxygen at 4 atm to an evacuated 20 L vessel at a constant temperature of

Fudgin [204]

Answer:

After the transfer the pressure inside the 20 L vessel is 0.6 atm.

Explanation:

Considering O2 as an ideal gas, it is at an initial state (1) with V1 = 3L and P1 = 4 atm. And a final state (2) with V2 = 20L. The temperature remain constant at all the process, thus here applies the Boyle-Mariotte law. This law establishes that at a constant temperature an ideal gas the relationship between pressure and volume remain constant at all time:

$P x V = k$

Therefore, for this problem the step by step explanation is:

$P_{1} xV_{1} = P_{2} xV_{2}$

Clearing P2 and replacing

$P_{2}= \frac{P_{1} xV_{1}}{V_{2} } = \frac{4atmx3L}{20L} = 0.6atm$

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3 years ago