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Fiesta28 [93]
3 years ago
10

Please follow meWhat is science ?​

Chemistry
1 answer:
bonufazy [111]3 years ago
6 0
<h2>Explanation:</h2><h3>the intellectual and practical activity encompassing the systematic study of the structure and behaviour of the physical and natural world through observation and experiment. </h3>

<h3>"the world of science and technology"</h3><h3>Similar:</h3><h3>branch of knowledge</h3><h3>area of study</h3><h3>discipline</h3><h3>field</h3><h3>a particular area of science.</h3><h3>plural noun: sciences</h3><h3>"veterinary science"</h3><h3>a systematically organized body of knowledge on a particular subject.</h3><h3>"the science of criminology" </h3>

<h3>Translations and more definitions</h3><h3>Learn new words</h3><h3>Which word is similar to science?</h3><h3>Discipline</h3><h3>or</h3><h3>Discussion</h3><h3>Question 1 of 5</h3><h3>Feedback</h3>

<h3>Science, any system of knowledge that is concerned with the physical world and its phenomena and that entails unbiased observations and systematic experimentation. ... In general, a science involves a pursuit of knowledge covering general truths or the operations of fundamental laws. </h3>

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what kind of evidence indicates a chemical change ?... a physical change? you may use examples to show softened.
SOVA2 [1]
Some things that can indicate a chemical change are change of odor, change of color, change in temperature or energy, such as the production or loss of heat. An example could be the rusting of metal, there would be a color change of going from a shiny silver to a dirty, splotchy red color. Some things that indicate a physical change are change of appearance like change of shape, etc. It can also be like a change between a solid to liquid to gas. For example, the cutting of a piece of paper.
3 0
3 years ago
You have a sample of 75.6 g of C3H8. How many moles of C3H8 are in the sample?
dsp73

The number of moles that are contained in the given mass of propane (C_3H_8 is 1.7143 moles.

<u>Given the following data:</u>

  • Mass of propane = 75.6 grams.

<u>Scientific data:</u>

  • The molar mass of propane = 44.1 g/mol.

To calculate the number of moles that are contained in the given mass of propane (C_3H_8):

<h3>How to calculate the moles of a compound.</h3>

In this exercise, you're required to determine the number of moles of propane that are contained in the given sample:

Mathematically, the number of moles contained in a chemical compound is given by this formula:

Number\;of\;moles = \frac{mass}{molar\;mass}

Substituting the given parameters into the formula, we have;

Number\;of\;moles = \frac{75.6}{44.1}

Number of moles = 1.7143 moles.

Read more on number of moles here: brainly.com/question/3173452

3 0
2 years ago
What element is most reactive to gas
sesenic [268]
The element that is most reactive to gas is Hydrogen
4 0
2 years ago
Read 2 more answers
Are formed when atoms bond together
Nadya [2.5K]
They form chemical bonds
5 0
3 years ago
Select the true statements regarding these resonance structures of formate.? Each carbon-oyxgen bond is somewhere between a sing
son4ous [18]

Answer : Option 1) The true statement is each carbon-oxygen bond is somewhere between a single and double bond and the actual structure of format is an average of the two resonance forms.

Explanation : The actual structure of formate is found to be a resonance hybrid of the two resonating forms. The actual structure for formate do not switches back and forth between two resonance forms.

The O atom in the formate molecule with one bond and three lone pairs, in the resonance form left with reference to the attached image, gets changed into O atom with two bonds and two lone pairs.

Again, the O atom with two bonds and two lone pairs on the resonance form left, changed into O atom with one bond and three lone pairs. It concludes that each carbon-oxygen bond is neither a single bond nor a double bond; each carbon-oxygen bond is somewhere between a single and double bond.

Also, it is seen that each oxygen atom does not have neither a double bond nor a single bond 50% of the time.

7 0
3 years ago
Read 2 more answers
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