When you rub your palms together,

Chemistry

2 answers:

Vlad1618 [11]3 years ago

8 0

Answer:

Sliding friction is occurs

Roman55 [17]3 years ago

4 0

Answer:

sliding friction occurs

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What formula is expected for a binary compound of calcium and phosphorus?

ki77a [65]

The formula unit for a compound containing calcium and phosphorus is Ca3P2. It is an ionic compound called calcium phosphide

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When nitrogen is removed from a sample of tha air in the process of nitrogen fixation, what happens to the patial pressure of ni

Mrrafil [7]

<span>Negligible or no change. In the chemistry of nitrogen bacteria convert nitrogen from the AIR, and hydrogen from cell into cell bound ammonia

N2 + 3 H2 -> 2 NH3

But where does that H2 come from? From metabolic reactions in the cell that produce CO2 and H2O. The partial pressure from the gas CO2 molecule pretty much replaces the partial pressure of the N2, and any real pressure difference would be made up of respiration of the H20 from the cell into the air.
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Which of the following statements about organic chemistry is correct? Be careful, there may only be one word incorrect.

Leokris [45]

In "condensed structural formula" each carbon atom and its attached hydrogen atoms are written in group in the linear form is correct about organic chemistry.

Option B

<u>Explanation</u>:

"condensed structural formula" is a method of writing or presenting organic structures in line of text. It presents all the atoms, but excludes the vertical bonds and all the horizontal single bonds. In condensed structural formula, or we can say semi-structural formula, covalent bonds are not always presented or shown. When the formula or representation is written in line with covalent bonds being shown, then it is referred to as linear formula. For example- the condensed structural formulas of ethane, propane, and ethanol is written as follows:-

$\mathrm{CH}_{3} \mathrm{CH}_{3},\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{3},\text { and } \mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{OH}$

Apart from these Statement, all others are false because they do not have any logic with respect to organic chemistry.

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Calculate the energy of a photon having a wavelength of 7.71 x 10^-5 m.

Bad White [126]

Answer:

Calculate the energy of a photon having a wavelength of 7.71 x 10^-5 m.

Explanation:

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The molar mass of iron(Fe) is 55.8 g/mol. what is the mass in grams of 2.25 moles of iron?

AnnyKZ [126]

Try this solution:

if 1 mole is 55.8 gr., then 2.25 moles the mass should be 55.8*2.25=125.55 gr.

Answer: 125.55 gr.

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