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3 years ago

What is nuclear fission

2 answers:

swat323 years ago

5 0

Nuclear fission is the process of which a large nucleus splits into two smaller nuclei with the release of energy and neutron. In simpler words, nuclear fission is the process in which a nucleus is split into two smaller fragments or pieces (nuclei) and so energy and neutrons are released. The resulting pieces of this fission process have less combined mass than the original piece (nucleus) and the missing was is converted into nuclear energy.

nataly862011 [7]3 years ago

3 0

A nuclear reaction in which a heavy nucleus splits spontaneously or on impact with another particle, with the release of energy.

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What is the molarity of formaldehyde in a solution containing 0.25 grams of formaldehyde per mL?

Vikentia [17]

Answer:

8.33mol/L

Explanation:

First, let us calculate the molar mass of of formaldehyde (CH2O). This is illustrated below:

Molar Mass of CH2O = 12 + (2x1) + 16 = 12 + 2 + 16 = 30g/mol

Mass of CH2O from the question = 0.25g

Number of mole CH2O =?

Number of mole = Mass /Molar Mass

Number of mole of CH2O = 0.25/30 = 8.33x10^-3mole

Now we can calculate the molarity of formaldehyde (CH2O) as follow:

Number of mole of CH2O = 8.33x10^-3mole

Volume = 1mL

Converting 1mL to L, we have:

1000mL = 1L

Therefore 1mL = 1/1000 = 1x10^-3L

Molarity =?

Molarity = mole /Volume

Molarity = 8.33x10^-3mole/1x10^-3L

Molarity = 8.33mol/L

Therefore, the molarity of formaldehyde (CH2O) is 8.33mol/L

3 0

3 years ago

One difference between mixtures and pure substances is that A) mixtures can be physically separated. B) mixtures are made of one

Alborosie

The answer your looking for is a)
-please give me brainliest answer

5 0

2 years ago

Read 2 more answers

The thermostat in a refrigerator filled with cans of soft drinks malfunctions and the temperature of the refrigerator drops belo

butalik [34]

Answer:

Explanation:

Water expands on freezing and there is more water in the diet drinks than in the other drinks.

5 0

2 years ago

Read 2 more answers

Which of the following is not one of the three categories of mechanical<br>waves?

solong [7]

Answer:

d. Radio wave

Explanation:

There are three types of mechanical waves, transverse waves, longitudinal waves, and surface waves

8 0

2 years ago

Given the following equation,

VARVARA [1.3K]

Answer:

5 moles

Explanation:

Given data:

Number of moles of HCl = 5 mol

Number of moles of H₂O produced = ?

Solution:

Chemical equation:

HCl + NaOH → NaCl + H₂O

Now we will compare the moles of HCl with H₂O.

HCl : H₂O

1 : 1

5 : 5

5 moles of water will be produced.

7 0

2 years ago