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2 years ago

What is heterogenous mixture

Chemistry

2 answers:

natulia [17]2 years ago

6 0

Answer:

heterogeneous mixture is a mixture that is non-uniform and contains smaller component parts.

Simora [160]2 years ago

4 0

Answer:

heterogenous mixture is type of mixture

Explanation:

it is one type of mixture involve in the mixture of different or hetro substance and can also easely separated or seen by naked eye example mixture of water and sand

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Water that has condensed and formed water droplets on the ground, grass, and other outdoor objects is known as _____.

Amanda [17]

The correct answer is B. Water that has condensed and formed water droplets on the ground, grass, and other outdoor objects is known as dew. It is water formed due to condensation in early morning or evening. It is formed when the temperature of the objects reach below the dew point of the air around.

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3 years ago

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What are the 3 boundaries of discontinuity of the earths interior

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Core , mantle, and crust

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3 years ago

An important step in the synthesis of nitric acid is the conversion of ammonia to nitric oxide. 4NH3(g) + 5O2(g) --> 4NO(g) +

Rina8888 [55]

Answer:

The ΔH°rxn for this reaction is -905.9 kJ

Explanation:

Step 1: Balanced reaction:

4NH3(g) + 5O2(g) --> 4NO(g) + 6H2O(g)

Step 2: Given data

ΔH°f [NH3(g)] = –45.9 kJ/mol

ΔH°f [NO(g)] = 90.3 kJ/mol

ΔH°f [H2O(g)] = –241.8 kJ/mol

ΔH°f of O2 is defined to be zero

Step 3: Calculate ΔH°rxn

ΔH°rxn = ΔH°products - ΔH°reactants

ΔH°rxn = ((4*90.3) + 6*-(241.8)) - 4*(-45.9) = -905.9 kJ

The ΔH°rxn for this reaction is -905.9 kJ

8 0

3 years ago

In a hexagonal-close-pack (hcp) unit cell, the ratio of lattice points to octahedral holes to tetrahedral holes is 1:1:2. What i

Alex777 [14]

Explanation:

In a hexagonal-close-pack (HCP) unit cell, the ratio of lattice points to octahedral holes to tetrahedral holes = 1 : 1 : 2

let the :

Number of lattice point = 1x.

Number of octahedral points = 1x

Number of tetrahedral points = 2x

If anions occupy the HCP lattice points and cations occupy half of the tetrahedral holes.

Number of anions occupying the HCP lattice points, A= 1x

Number of cations occupying the tetrahedral points, B = $\frac{2x}{2}=x$

The formula of the compound will be = $A_{1x}B_{1x}=AB$

If anions occupy the HCP lattice points and cations occupy all of the tetrahedral holes.

Number of anions occupying the HCP lattice points, A= 1x

Number of cations occupying the tetrahedral points, B = 2x

The formula of the compound will be = $A_{1x}B_{2x}=AB_2$

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3 years ago

If 5.48 g of CuNO3 is dissolved in water to make a 0.840 M solution, what is the volume of the solution in milliliters?

Ainat [17]

Answer:

34.8 mL

Explanation:

First we convert 5.48 g of CuNO₃ into moles, using its molar mass:

5.48 g CuNO₃ ÷ 187.56 g/mol = 0.0292 mol

Now we can calculate the volume of the solution, using the definition of molarity:

Molarity = moles / liters

0.840 M = 0.0292 mol / liters

liters = 0.0348 L

Finally we convert L into mL:

0.0348 L * 1000 = 34.8 mL

5 0

2 years ago

What is heterogenous mixture​

What is heterogenous mixture