Of the following, which compound has the highest boiling point? Hexanone Hexanoic acid 1-Hexanol Hexanal

Answer:

conclusions i think i am not confirmed

Answer:

b-data

Explanation:

right on the unit test review on edge

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Answer:

11. A

12. B

13. D

14. E

15. C

Answer:

C).Iron

Explanation:

Iron has a binding energy of 8.8MeV

Answer:

Explanation:

Answer:

the correct answer is option B batteries use chemicals to store energy

We have that the statement that remains true about batteries is

"Batteries use chemical to store energy "

Option B

-All battery are able to be recharged that is not correct as some batteries are non rechargeable

-A battery is a device composed of petrochemical cells, that rel sole upon the energy from chemical reactions to give off charge

-A battery is a device that is use to store energy. Therefore Batteries to not conserve energy

Hence the statement that remains true about batteries is

"Batteries use chemical to store energy "

Option B

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Answer:

the answer is actually D. (theories are well established with lots of evidence to support their claims)

Explanation:

i just took the quiz

A hypothesis is a presented reason for a phenomenon based on limited proof and evidence. A scientific theory is an elucidation of an element that has been constantly experimented with and confirmed per scientific approach.

Theories are well established with lots of proof to back their assertions.

Therefore, option D is correct.

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Answer:

A= 15 atoms B= 3

Explanation:

5 x 2 + 5 x 1

3 + 2 x 1

Answer:

weight = Mass × gravity

P= m × g

P=mg

Weight (P) = ? , Mass (m) = 2 kg , gravity (g) = 9.8 m/s²

P= mg

p = 2 × 9.8

P= 19.6 kg.m/s²

P= 19.6 N

I hope I helped you^_^

Answer:

highly corrosive but not highly flammable

Explanation:

When a chemical has a high, or even a 1, in the health rating, it usually means that the chemical is corrosive or can damage a human in another way.

Answer:   highly corrosive but not highly flammable

Explanation:  When a chemical has a high, or even a 1, in the health rating, it usually means that the chemical is corrosive or can damage a human in another way.

Answer:

hydrocarbons contain both Hydrogen and Carbon while organic compounds

are compounds in which  one or more atoms of Carbon are  covalently linked

with  other elements

Explanation:

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Answer:

It is a simple and clear account of the development of the codpuscular or, as sortie prefer to call it, the electronic, theory, of matter to explain the passage of electricity through metals and gases.

Explanation:

THE present volume is an expansion of six lectures delivered by; Prof. J. J. Thomson in his capacity of professor at: the Royal Institution. It is a simple and clear account of the development of the corpuscular, or, as sortie prefer to call it, the electronic, theory, of matter to explain the passage of electricity through metals and gases. The last two chapters are devoted to consideration of the properties of model atoms built up of corpuscles, and the evidence in favour of the view that the number of the corpuscles in an atom is about the same as its atomic weight in terms of hydrogen.

Answer:

4.1 grams

Explanation:

Answer:

4.1

I solve this solution and then i got correct on it so its 4.1 thank you!

Answer:C

Explanation:

Answer:

here is a diagram of Bohr's sulfur.

Each element is defined by its number of protons.

Answer:

skip it please, ok...? thank you

Answer:

right answer is option no c

Explanati  la materia el convino

es carbón ya irogno

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Answer: 60.2g

Explanation:

One mole acetic acid weighs 60.2g

Answer:

2.4* 10⁴ m

Explanation:

1km = 1000m = 10³m

(1*24)km = 10³ * 24 m

=> 24km = 2.4 * 10⁴m

The relative standard deviation for the set of data obtained by the student is 0.470%

The formula for calculating the relative standard deviation is given below as:

Relative standard deviation (RSD) = (S * 100)/x

where S stands for the standard deviation and x is the mean of the data set.

The following are the steps to calculate to determine the relative standard deviation using the given formula:

Step 1: Calculate the mean of the numbers in the data set.

mean, x = sum of numbers / number of numbers

(40.220 + 40.654 + 40.314 + 40.165 + 40.554)/5

mean = 40.381 g/mol

Step 2: Subtract the mean from each number in the data to determine the deviation for each number and then square the deviations.

(40.220 - 40.381)² = 0.0259

(40.654 - 40.381)² = 0.0745

(40.314 - 40.381)² = 0.00449

(40.165 - 40.381)² = 0.0466

(40.554 -40.381)² = 0.0299

Step 3: Sum the squared deviations.

0.0259 + 0.0745 + 0.00449 + 0.0466 + 0.0299 = 0.181

Step 4: Determine the variance by dividing the sum of the squared deviations by the total number of values.

Variance = 0.181/5 = 0.0362

Step 6: Determine the standard deviation of the data by taking square root of the variance.

Standard deviation, S = √0.0362 = 0.190

Step 7: Determine the relative standard deviation by inserting the values in the formula, (RSD) = (S * 100)/x

RSD = (0.190 * 100)/40.381

RSD = 0.470%

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Answer:

To produce good or targeted result

It is important to use chemicals of high quality and correct concentrations in experiment so that we can obtain the predictable result in an experiment

Purity of substances/chemicals is very important when performing experiments in the laboratories, because it plays an important role in the determination of the chemical properties of  substances which will have a direct effect on the result obtained from the experiment. likewise using the correct concentration of reagents

During experiments to obtain the best/predictable result in an experiment it is of best practice to make use of chemicals of high quality and also at the exact(needed) concentrations, that way the predictable result of the experiment will be obtained.

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Answer:

Delta. Aldehyde

Explanation:

Answer:

gas pressure is caused when gas particles hit with the walls of their container the more often the particles hit with the walls and the faster they are moving when they do this the higher the pressure

Answer:

Name one very important thing that separates the Plant kingdom from all other kingdoms.

Explanation:

Answer:

a chemical property

Explanation:

The mass of 125 mL of bromine and the volume occupied by 85 g of bromine are:  

Density is simply defined as the mass of an object per unit volume of the object. It can be expressed mathematically as

[tex]Density = \frac{mass}{volume }[/tex]

Density = 3.12 g/mL

Volume = 125 mL

[tex]Density = \frac{mass}{volume} \\\\3.12 = \frac{mass}{125}[/tex]

Cross multiply

Mass = 3.12 × 125

Therefore, the mass of bromine is 390 g

Density = 3.12 g/mL

Mass = 85 g

[tex]Density = \frac{mass}{volume } \\\\3.12 = \frac{85}{volume }[/tex]

Cross multiply

3.12 × Volume = 85

Divide both side by 3.12

[tex]Volume = \frac{85}{3.12}\\\\[/tex]

Therefore, the Volume of bromine is 27.24 mL

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[tex] \huge \boxed{\mathfrak{Question} \downarrow}[/tex]

[tex] \large \boxed{\mathfrak{Answer \: with \: Explanation} \downarrow}[/tex]

Photosynthesis is the process in which green plants derive their food (nutrients and water) through the capturing of light energy (sunlight) and using it to convert carbon dioxide (CO2) and water (H2O) into oxygen (O2) and other substances (compounds) that are rich in energy. Chlorophyll a green pigment present in plants is used in this process.

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Formula ⟶ [tex]\boxed{\bf\:6CO_2 + 6H_2O \rightarrow C_6H_{12}O_6 + 6O_2} [/tex]

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So, the products of photosynthesis are [tex]\large\boxed{\boxed{\bf\:C_6H_{12}O_6 + 6O_2}}[/tex]