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3 years ago

How is homogeneous and heterogeneous alike ?

Chemistry

1 answer:

tankabanditka [31]3 years ago

4 0

Answer:

A homogeneous mixture has the same uniform appearance and composition throughout. Many homogeneous mixtures are commonly referred to as solutions. A heterogeneous mixture consists of visibly different substances or phases. The three phases or states of matter are gas, liquid, and solid.

Explanation:

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To dilute a HCl solution from 0.400 M to 0.100 M the final volume must be

sp2606 [1]

Answer:

The final volume must be 400 mL.

Explanation:

Let us assume the Initial volume as 100ml

Using dilution factor formula

$\\$M_{1} \times V_{1}=M_{2} \times V_{2}$\\\\$0.400 M \times 100 m l=0.100 M \times V_{2}$$

So,

$V_{2}=\frac{0.400 M \times 100 m l}{0.100 M}=400 m l$

Thus, the final volume must be 400 mL.

5 0

4 years ago

Read 2 more answers

How many iron atoms are in 7.890 g of iron?

zhenek [66]

Answer:

see explanation

Explanation:

#Atoms = (mass/atomic wt) x 6.02 x 10²³

mass is grams
atomic weight is grams/mole
6.02 x 10²³ is atoms/mole

8 0

2 years ago

As a result of the transfer of an electron from a less electronegative atom to a more electronegative atom,

Viktor [21]

Answer: The correct answer is Option d.

Explanation:

Electronegativity is defined as the tendency of an element to attract the shared pair of electron towards itself in a compound.

When electron is transferred from less electronegative atom to more electronegative atom.

The atom which is more electronegative gains electron and undergoes reduction reaction.

Reduction reaction is defined as the reaction in which an atom gains electrons. The oxidation number of the atom gets reduced during this reaction.

$X^{n+}+ne^-\rightarrow X$

During the transfer of electrons, energy is released when an electron looses is potential energy during the transfer.

Hence, the correct answer is Option d.

4 0

3 years ago

PLEASE HELP WITH HIS DUE SOON WILL GIVE BRAINLIST HELP!!

Readme [11.4K]

Answer:

320

Explanation:

8*8*5

8 0

3 years ago

Scientists can tell recycling reduces atmospheric emissions by knowing which of the following? o it takes more Btu to manufactur

Dmitriy789 [7]

Answer:

According to the Environmental Paper Network's Paper Calculator, it takes about 32 million BTUs of energy to produce 1 ton of virgin paper fiber. To produce 1 ton of recycled paper, it takes about 22 million BTUs.

so the answer could be it takes less Btu to manufacture recycled products than new ones

7 0

3 years ago