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Alisiya [41]
3 years ago
7

What would be the formula for do diphosphorus pentoxide

Chemistry
1 answer:
Hitman42 [59]3 years ago
3 0

Phosphorus pentoxide is a chemical compound with molecular formula P₄O₁₀.

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According to rounding rules for addition the sum of 27.1, 34.538, and 37.68 is
Katena32 [7]
The answer should be...99.318!
5 0
3 years ago
A 2.3 kg object has 15 ) of kinetic energy. Calculate its speed.
chubhunter [2.5K]

Answer:

<h3>The answer is option D</h3>

Explanation:

To find the speed given the kinetic energy and mass we use the formula

v =  \sqrt{ \frac{2KE}{m} }  \\

where

m is the mass

v is the speed

From the question

KE = 15 J

m = 2.3 kg

We have

v =  \sqrt{ \frac{2 \times 15}{2.3} }  =  \sqrt{ \frac{30}{2.3} }  \\  = 3.61157559...

We have the final answer as

<h3>3.6 m/s</h3>

Hope this helps you

7 0
3 years ago
Which one of the following is a liquid non-metal?
arsen [322]

Answer:

bromine is a liquid non metal...

3 0
3 years ago
Read 2 more answers
Elements donate 2 electron to produce a cation with a 2+ charge
hammer [34]

Answer: alkaline earth metals (group-IIA)

Explanation:

The element which donates the electron is known as electropositive element and forms a positively charged ion called as cation. The element which accepts the electrons is known as electronegative element and forms a negatively charged ion called as anion.

Alkaline earth metals donate 2 valence electrons to acquire noble gas configuration.

For example: Berrylium is the first alkaline earth metal with atomic number of 4 and thus has 4 electrons

Electronic configuration of berrylium:

[Be]:4:1s^22s^2

Berrylium atom will loose two electrons to gain noble gas configuration and form berrylium cation with +2 charge.

[Be^{2+}]:2:1s^2

Thus Elements donate 2 electron to produce a cation with a 2+ charge are alkaline earth metals.

5 0
3 years ago
How a reaction between colorless substances can produce a colored precipitate
abruzzese [7]

A reaction between colorless substances can produce a colored precipitate by formation of new ionic compound.

<h3>What is an ionic compound?</h3>

An ionic compound is a compound that is made up of two elements, one metal and the other non metal, which are held together by an ionic bonding.

When reaction occurs between two colourless substances, colored precipitate results by formation of new ionic compound.

Learn more about chemical bonds here:

brainly.com/question/819068

#SPJ12

8 0
2 years ago
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