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3 years ago

P+Cl > PCl3 Equalize the following chemical equations

1 answer:

5 0

P + 3Cl > PCl3

because you need to make sure you have the same amount of chlorine and phosphorus on both sides of the equation

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B. The neck is the most dangerous part of the rip current because the water’s speed increases and swimmers can be pushed farther into the ocean.

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3 years ago

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Để trung hoà 20ml dung dịch HCl 0.1M cần 10ml dung dịch NaOH nồng độ x mol/l . Giá trị của x là

elena55 [62]

The question is: To neutralize 20ml of 0.1M HCl solution, 10ml of NaOH solution of concentration x mol/l is required. What is the value of x?

Answer: The value of x is 0.2 M.

Explanation:

Given: $V_{1}$ = 20 mL, $M_{1}$ = 0.1 M

$V_{2}$ = 10 mL, $M_{2}$ = x

Formula used is as follows.

$M_{1}V_{1} = M_{2}V_{2}\\0.1 M \times 20 mL = x \times 10 mL\\x = 0.2 M$

Thus, we can conclude that the value of x is 0.2 M.

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3 years ago

The web's ______ advantage allows for data and resource sharing that enables communication with a website.

Musya8 [376]

The web's connectivity advantage allows for data and resource sharing that enables communication with a website.

In our daily lives, communication helps us build relationships by allowing us to share experiences and needs and connect with others. It is the essence of life that allows us to share We all need to communicate.

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2 years ago

HELP MEEEEEEE PLSSS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1 As distance increases between a rocket ship and the ground, gravitationa

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Answer:

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3 years ago

Radon (Rn) is the heaviest, and only radioactive, member of Group 8A(18) (noble gases). It is a product of the disintegration of

Serggg [28]

Given data Atomic mass of Ra= 226g/mol

no. of moles =1.0/226g/mol =0.04424moles

no. of atoms in 0.044moles

no. of atoms =no. of moles x avogadro's number

= 0.044x 6.022 x10^23 = 0.264968 x 10^22

If 10^15 atoms of Ra produce 1,373*10^4 atoms of<u> Rn per second</u> then 2,66 *10^21 forms 3,658*10^10 atoms of Rn per second.

Day has 246060=86400 s

That means that 2,66x10^21 atoms of Ra produces 3,16 x10^15 atoms of Rn in a day.

N(Rn)=3.16* 10 ^15 n(Rn)=N/NA

n(Rn)=5,25*10−9 pV=nR*T

T=273.15K R=8,314

p=101325Pa V=n∗R∗T/p

V=5.25∗10^−9 ∗ 8.314 ∗ 273.15 / 101325

V=1.1810^−10 m^3 = 118 x10^-7 liters of Rn, measured at STP, are produced per day by 1.0 g of Ra

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2 years ago

P+Cl > PCl3 Equalize the following chemical equations​

P+Cl > PCl3 Equalize the following chemical equations