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zhenek [66]
3 years ago
5

What is the purpose of chemistry?

Chemistry
1 answer:
Brut [27]3 years ago
7 0

Answer:

To know more about chemicals and how to utilise them to solve man's probl

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A runner travels at a constant speed of 4 m/s. What happens to the velocity of the runner when the runner changes direction?
ANTONII [103]

Answer:

4m/s in the direction of the turn

Explanation:

The velocity of an object is the rate of change of its position with respect to a frame of reference.

Assuming the runner stays the same speed as he turns, his velocity will be 4m/s in the speed he turns.

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3 years ago
Why pie bond are not perticipate in hybridaization​
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The first bond between two atoms is always a sigma bond and the other bonds are always pi bonds and a hybridized orbital cannot be involved in a pi bond. Thus we need to leave one electron (in case of Carbon double bond) to let the Carbon have the second bond as a pi bond.
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3 years ago
Use the development of the atomic model to explain how scientists refine and build off each other’s findings, in order to develo
Veseljchak [2.6K]
We can use the atomic model to demonstrate the ways in which scientists refine and build off each other's findings because of the fact that once this model was created, it brought with it other models and inventions, such as the periodic table and other theories about our known universe.
7 0
4 years ago
A student needs to determine the volume occupied by a gas in a 125 mL flask using the experimental setup described in the proced
Yuki888 [10]

Answer:

It would appear that the H2 gas is collected in a stoppered flask. Therefore, the volume of the gas is 138 mL minus the 5 mL occupied by the HCl, or 133 mL.

Explanation:

6 0
3 years ago
What would be the best flow rate of o2 for a patient with copd?
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When we say COPD, this means Chronic Obstructive Pulmonary Disorder. COPD includes a group of lung diseases which have progressed into a worse condition. One example of this is emphysema. In cases of COPD, they should be provided oxygen therapy and the best flow rate for patients with this disorder is <span>8-10 L/min, high-flow, via nasal prong. Hope this helps.</span>
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3 years ago
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