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Dovator [93]
4 years ago
14

What only adds mass to the nucleus

Chemistry
1 answer:
Furkat [3]4 years ago
8 0
Majority of the atoms mass is found in the nucleus, which consists of protons and neutrons. Neutrons have a neutral charge, while protons have a positive charge.
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What is the primary cause of diffusion? 1.that some substances can dissolve in solvents 2.heat added to a substance 3.random int
shusha [124]
Diffusion : a process in which molecules intermingle as a result of  their kinetic energy of random motion
The primary cause of diffusion is : 3. Random internal motion of atoms and molecules

hope this helps
6 0
4 years ago
Read 2 more answers
How many grams of nitrogen in 7.3 x 10^24 molecules of NaNO3
dem82 [27]

Answer:

Explanation:

Convert molecules to moles:

1 mole of NaNO₃= 6.02 x 10^23 molecules of NaNO₃

7.3 x10^24/(6.02 x 10^23)=12mol NaNO₃

Find molar mass:

NaNO₃=1 mole of Na and 1mole of N and 3mole of O

Find grams:

14.01g x 12= 168.12 g of N

3 0
3 years ago
A student measures the mass of a substance as 1.7132 kg and it’s volume as 0.65 L. What is the density of the substance in g/mL?
7nadin3 [17]

Answer:

\rho =2.6g/mL

Explanation:

Hello,

In this case, considering that the density is defined as:

\rho =\frac{m}{V}

Thus, since 1 kg equals 1000 g and 1 L equal 1000 mL, the required density in g/mL turns out:

\rho =\frac{1.7132kg}{0.65L}*\frac{1000g}{1kg}*\frac{1L}{1000mL}   \\\\\rho=2.6g/mL

Take into account that since 0.65 L has two significant figures, the result is also shown with two significant figures.

Regards.

3 0
4 years ago
What type of reaction is shown? PbO2 --> PbO + O2 *
Lerok [7]

Answer:

single replacement reaction.

3 0
4 years ago
1. Show the mechanism for the main product for the monochlorination of 2-methylbutane. List all other products.
Bad White [126]

Answer:

See explanation below

Explanation:

First, we need to understand that the monochlorination of an alkane like this one, involves substitution of one of the atoms of hydrogen of the molecule for an atom of chlorine.

This reaction takes place when the alkane reacts with Cl₂ in presence of light or heat.

When this happens, the first step involves the breaking of the double bond of the chlorine to form the ion Cl⁻.

The next step involves the substraction of the hydrogen of the molecule by the Chlorine. This will leave the alkane with a lone pair available for reaction.

The third step, the alkane with the lone pair of electron substract a chlorine for the beggining and form the mono chlorinated product.

The final step involves forming the remaining products with the remaining reagents there.

In the picture attached you have the mechanism and product for this reaction:

3 0
3 years ago
Read 2 more answers
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