Why does table salt dissolve more rapidly than rock salt

Answers

Answer 1
Answer: because in rock salt, the molecules are packed together and they take longer time to separate and dissolve. As for table salt the molecules are less packed together and take less time to dissolve. Think it like this. The more packed or tightly the substance/object is, the longer it will take for the object to dissolve. The less packed the object/substance is the faster it takes to dissolve. Hope this helped :)
Answer 2
Answer:

idk man i just signed up so u could tell me the answer man

                                 :-\

                                 :-|


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State of an atom with same number of proton and electrons

Answers

Most elements tend to have the same number of electrons and protons. This gives the element a neutral charge, aka no charge at all. 

Here is an example:- Flourine
7 electrons and 7 protons 


How do the properties of water help water animals in Canada winters?

Answers

Answer:

It is a easy answer you are a noob in this question the properties of water help by giving them water you fool

I’m trying to learn molarity problems on my own (online schooling is terrible), I don’t need the answer for the following problem as much as I need the process of solving it explainedHow many L of solution are present if 100g NaCl has been dissolved in water to make a 2.50M solution?

Answers

Answer:

0.68L

Explanation:

First, let us calculate the number of mole in 100g of NaCl. This is illustrated below:

Molar Mass of NaCl = 23 + 35.5 = 58.5g/mol

Mass of NaCl = 100g

Number of mole of NaCl =?

Number of mole = Mass/Molar Mass

Number of mole of NaCl = 100/58.5

Number of mole of NaCl = 1.709 mole

Now we can find the volume of the solution as follow:

Mole = 1.709 mole

Molarity = 2.50M

Volume =?

Molarity = mole /Volume

Volume = mole /Molarity

Volume = 1.709/2.5

Volume = 0.68L

Explain why standard units of measurement are particularly important to scientists.

Answers

The standard units of measurement are particularly important to scientists because they make the result more accurate and precise.

What are accuracy and precision?

When the average value of the different measurements is similar to the correct value then the measurement is said to be accurate and the phenomenon is said to be accurate.

When the values of measurement are close to each other then the result is said to be precise and the phenomena are said to be precise and need to do for the better accuracy of results.

Therefore, they make the result more accurate and precise.The standard units of measurement are particularly important to scientists.

Learn more about accuracy and precision, here:

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Answer:

Explanation: The standred units of measurments are important to scientists because they are the same measurments that all scientist take to make sure that they all have the correct results.

If angle ABE = 2n + 7 and angle EBF=4n-13,
find angle ABE.​

Answers

Answer:

The measure of angle ABE is 27°.

Explanation:

Consider the below figure attached with this question.

Given information: ∠ABE=2n+7 and ∠EBF=4n-13.

From the below figure it is clear that ∠ABE and ∠EBF are congruent.

m\angle ABE=m\angle EBF

2n+7=4n-13

Isolate variable terms on one side.

7+13=4n-2n

20=2n

Divide both sides by 2.

10=n

The value of n is 10.

We need to find the measure of ∠ABE.

\angle ABE=2(10)+7=20+7=27

Therefore, the measure of angle ABE is 27°.

The measure of angle ABE is 27°.

Since the angles are congruent, therefore, ∠ABE=2n+7 and ∠EBF = 4n-13 will be equated to each other.

This will be;

2n+7 = 4n-13

Collect like terms

4n-2n = 7+13

2n  = 20  

Divide both sides by 2.  

2n/2 = 20/2

n = 10  

Therefore, the value of n is 10.

Since angle ABE = 2n + 7

ABE = 2[10]  + 7

= 20 + 7 =  27°.  

Therefore, the measure of angle ABE is 27°

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What period is Pb in

Answers

Pb (lead) is in the 6th period

(please give brainliest if this helped you)