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dmitriy555 [2]
3 years ago
7

The scientific method is a that can be used to answer any . The process begins when a scientist makes an . Then, they do to lear

n more about the topic and write a . The scientist will and conduct an , eventually coming to a . They will share their with other scientists to help further discovery
Chemistry
1 answer:
choli [55]3 years ago
6 0

Answer:

The scientific method is a process that can be used to answer any questions . The process begins when a scientist makes an observation. Then, they do research to learn more about the topic and write a hypothesis. The scientist will make predictions and conduct an experiment, eventually coming to a conclusion. They will share their results with other scientists to help further discovery.

Explanation:

The Scientific method is process used to observe, predict and explain phenomena around us. It involves a series of steps listed as follows:

1. Making observations: the scientist must be a keen observer of events around him

2. Ask questions: the scientist asks questions based on the observations

3. Form a hypothesis and make predictions: the scientist puts forward a reasonable explanation for the observations known as hypothesis. Predictions are then made and tested upon.

4. Experimentation: experiments are conducted to test the hypothesis and the predictions made.

5. Analysis of data and conclusion: the result of the experiments are analysed and conclusion are then drawn.

6. Communication of results: the results obtained from the experiments are then shared with other scientists to aid further research and discoveries.

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Answer:

σ*2pₓ, also called 3\sigma_{u}\text{*}

Explanation:

I have drawn the MO diagram for fluorine below.

Each F atom contributes seven valence electrons, so we fill the MOs of fluorine with 14 electrons.

We have filled the \pi \text{*2p}_{y} and \pi \text{*2p}_{z} MOs.

They are the highest occupied molecular orbitals (HOMOs).

The next unfilled level (the LUMO) is the σ*2pₓ orbital. If you use the symmetry notation, it is called the 3\sigma_{u}\text{*} orbital.

This is the orbital that fluorine uses when it acts as an electron acceptor.

7 0
3 years ago
Based on this reaction, find how many moles of co can be obtained starting with 7 mol ch4?
Klio2033 [76]
I will solve the question assuming the reaction used as below
1 CH4(g) + 1 H2O(g) ==> 1 CO(g) + 3 H<span>2(g)

In the reaction, CH4 is the reactant and CO is the wanted product. If you look at the coefficient of the substance, for every 1 mol of CH4 react there will be 1 mol of CO produced. So, if you have 7 moles of CH4 the amount of CO produced would be: 7 moles * 1/1= 7 moles of CO</span>
5 0
4 years ago
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Is a metalloid malleable or brittle
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Silicon for example appears lustrous, but is not malleable<span> or ductile (it is </span>brittle<span> - a characteristic of some nonmetals).</span>
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3 years ago
To save time, you can approximate the initial mass of the solid to the nearest ±1 g. For example, if you are asked to add 14.3 g
tensa zangetsu [6.8K]

Answer: Set with equal densities are:

15.2 g copper and 50.0 g copper ; 11.2 g gold and 14.9 g gold

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Density=\frac{Mass}{Volume}

It is an intensive property which means that two different masses of same substance will have same value of density under same conditions.

So, from the given samples with equal density are:

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Answer:

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Explanation:

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