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3 years ago

Because there is a large amount of empty space between gas molecules, the gas has the property of___

1 answer:

4 0

These gas molecules are much smaller than the distance between them.
So, most of the volume of a gas is therefore empty space.
There is no force of attraction between gas particles or between the particles and the walls of the container.
Because there is a large amount of empty space between gas molecules,the gas has property of low density.

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Explain why burning garbage at home can couse a harmful effects to us and the environment?

stepladder [879]

Burning prohibited materials, such as garbage, plastic and painted or treated wood, is harmful to the environment because these materials release toxic chemicals that pollute our air. ... Residue from burning contaminates the soil and groundwater and can enter the human food chain through crops and livestock.

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3 years ago

A mixture of CuSO4 · 5H2O and MgSO4 · 7H2O is heated until all the water is lost. If 5.127 g of the mixture gives 2.817 g of the

Nadusha1986 [10]

Answer:

Let the mixture is X% by mass of CuSO

.5H

O and 100 - X % by mass of MgSO

.7H

O. 5.0 g of mixture will contain 0.05X g CuSO

.5H

O and 5.0 - 0.05X g MgSO

.7H

The molar masses of CuSO

.5H

O and MgSO

.7H

O are 249.7 g/mol and 246.5 g/mol respectively.

The number of moles of CuSO

.5H

249.7

0.05X

=2.00×10

−4

X moles.

Explanation:

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3 0

3 years ago

What is liquid metal a. phosphorus b. iodine c.nitrogen d.bromime

tamaranim1 [39]

It might be Iodine :)

3 0

3 years ago

(NH4)3PO4 + Pb(NO3)4. Pb3(PO4)4 + NH4NO3

Dafna1 [17]

4(NH₄)₃PO₄ + 3Pb(NO₃)₄ → Pb₃(PO₄)₄ + 12NH₄NO₃

Explanation:

(NH₄)₃PO₄ + Pb(NO₃)₄ → Pb₃(PO₄)₄ + NH₄NO₃

Balancing this equation;

We simply use a mathematical approach by solving simple algebraic equations.

a(NH₄)₃PO₄ + bPb(NO₃)₄ → cPb₃(PO₄)₄ + dNH₄NO₃

a,b,c and d are the coefficients that will balance the equation;

Conserving N: 3a + 4b = 2d equation 1

H: 12a = 4d

P; a = 4c

O; 4a + 12b = 16c + 3d

Let us make a = 1;

c = $\frac{1}{4}$

d = 3

solving for b;

from (i); 4b = 2d -3a = 2(3) - 3(1) = 3

b = \frac{3}{4}

Now multiply a, b, c and d by 4;

a = 4 , b = 3 , c= 1 and d = 12

4(NH₄)₃PO₄ + 3Pb(NO₃)₄ → Pb₃(PO₄)₄ + 12NH₄NO₃

Learn more:

Balanced equation brainly.com/question/11102790

#learnwithBrainly

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3 years ago

What is concentration of hydrogen ion a given acid if its PH value is 9?

TEA [102]

-log(9)= -0.954
______________

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3 years ago

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