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3 years ago

Name a brittle metal , which is used to galvanize iron

Chemistry

2 answers:

Nesterboy [21]3 years ago

8 0

Answer:

zinc

Explanation:

Zina [86]3 years ago

4 0

Answer:

ZINC(zn) is used as the coating layer for the iron and as well as for all ferrous materials in galvanization/galvanizing process which defined as given below.

Explanation:

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The element europium exists in nature as two isotopes: 151eu has a mass of 150.9196 amu, and 153eu has a mass of 152.9209 amu. t

Ratling [72]

Two isotopes of europium are 151eu and 153eu

Mass of 151eu = 150.9196 amu

Mass of 153eu = 152.9209 amu

Average atomic mass = 151.96 amu

Let x and y are the relative abundance of two isotopes of europium are 151eu and 153eu

So, x% times 150.9196 + y% times 152.9209 = 151.96

x150.9196 + y152.9209 = 151.96

And x + y = 100% = 1, from here x = 1 – y and y = 1 - x

Solve these equation by substitution,

By replacing x = 1-y, we get

(1-y)150.9196 + y152.9209 = 151.96

150.9196 – 150.9196y + y152.9209 = 151.96

2.0013y = 1.0404

Y =0.5199 = 51.99%

Using the value of y we get,

X = 1-y = 1-51.99 = 0.4801 = 48.01%

<span>So, relative abundance of two isotopes of europium are 151eu and 153eu are 48.01% and 51.99% respectively</span>

6 0

3 years ago

Read 2 more answers

What element is NaCl?

ale4655 [162]

Sorry but NaCl is a ionic compound not an element though it's made up of two elements sodium and chlorine

4 0

3 years ago

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Concerning the 10.0 mL of 0.50 M NaCl to 100 mL of solution: When a solution is diluted, does it change the number of moles diss

Mars2501 [29]

No, the dilution does not change the number of moles dissolved

Explanation:

We can see that,

The molarity of the solution was 0.50 M

The volume of the solution is 10 ml.

No of moles of the solute was= volume * concentration

= 10 X 10^-3* 0.50

= 5*10^-3 moles

When the solution is diluted from 10 ml to 100ml, the molarity or concentration changes but number of moles remains constant.

The molarity of 100 ml solution will be

c=n/V

= 5*10^-3*/100*10^-3

= 0.05

when the solution is diluted to 100ml from 10 ml molarity changes from 0.5M TO 0.05 M

8 0

3 years ago

Read 2 more answers

A car driving at 105 km/h. what is the speed in mi/min?<br> (1 mi = 1.61 km)

DedPeter [7]

Answer:

1.087 mi/min

Explanation:

Given data:

Speed of car in Km/h = 105

Speed of car in miles/min = ?

Solution:

It is given that one miles = 1.61 Km

while it is known that one hour = 60 minutes

Thus in order to convert the km/h into mi/min we will divide the given value by 96.561.

105 / 96.561

1.087 mi/min

3 0

4 years ago

Provide your answer in the following format: [element name], [chemical family]

erastova [34]

Answer: Bismuth (Bi) , Nitrogen family

Explanation:

As the element has 5 valence electrons in the sixth energy level, which mens it belongs to 6th period as the valence electron has entered the 6th energy level.

Now as the electrons are filled according to afbau's rule , the electronic configuration of the element will be :

$[Xe]4f^{14}5d^{10}6s^26p^3$

Now as the atomic number of element is equal to the number of electrons in a neutral atom , the atomic number is 83 and the element is Bismuth (Bi). As the last electron enters p -subshell , it is a p block element. It lies in group 15 which is nitrogen family.

8 0

3 years ago

Name a brittle metal , which is used to galvanize iron​

Name a brittle metal , which is used to galvanize iron