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3 years ago

What is the difference between a homogeneous and a heterogeneous mixture?

Chemistry

1 answer:

Ne4ueva [31]3 years ago

7 0

Answer and explanation :

DIFFERENCE BETWEEN HOMOGENEOUS AND HETEROGENEOUS MIXTURE :

In homogeneous mixture the component which are present in the mixture all are in the same proportion whereas in heterogeneous mixture the component which are present in the mixture don't have the same proportion
We can not pick out the component of homogeneous mixture but in heterogeneous mixture we can pick out the components from the mixture
Example of homogeneous mixture is water, oil ,water sugar solution, milk blood etc. And example of heterogeneous mixture is solution of sand and water ,concrete etc.

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What term expresses the ratio of moles of reactants and products according to the coefficients in the balanced chemical equation

bogdanovich [222]

Answer:

A) mole ratio

Explanation:

A mole ratio, also known as a mole-to-mole ratio, is the ratio between the amounts in moles of one reactant/product to the moles of the other reactant/product. This ratio is determined considering the coefficients in a balanced chemical equation. This ratio is used in chemical problems as a conversion factor between the compounds involved in the reaction.

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3 years ago

What is the name of the pores, or holes, on the outer layer of the sponge that take water in?

ivanzaharov [21]

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4 years ago

Which atoms make up a molecule of sodium bicarbonate.

Ratling [72]

Answer:

Its chemical formula is NaHCO3. Its formula consists of one sodium (Na) atom, one hydrogen (H) atom, one carbon (C) atom and three oxygen (O) atoms.

Explanation:

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8 0

2 years ago

Help ASAP pleaseeee thank you

Artyom0805 [142]

The correct answer is B. balance

8 0

3 years ago

The volume of a Goodyear Blimp is 2.5x10^7 L, which is occupied by 1.7x10^6 mol of helium. What is the internal pressure of the

attashe74 [19]

Answer:

1.7 bar

Explanation:

We can use the Ideal Gas Law to calculate the individual gas pressure.

pV = nRT Divide both sides by V

p = (nRT)/V

Data: n = 1.7 × 10⁶ mol

R = 0.083 14 bar·L·K⁻¹mol⁻¹

T = 22 °C

V = 2.5 × 10⁷ L

Calculations:

(a) Change the temperature to kelvins

T = (22 + 273.15) K

= 295.15 K

(b) Calculate the pressure

p = (1.7 × 10⁶ × 0.083 14 × 295.15)/(2.5× 10⁷)

= 1.7 bar

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3 years ago