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Arte-miy333 [17]
3 years ago
10

Matter is made up of particle. Which of the following statement is true about these particle? A. A partical that make up soild d

o not move B. The partical that make up liquied do not move C The particals that makes up all matter D Only the parcicals that make up gaeses are constanlly in motion
Chemistry
1 answer:
Andrews [41]3 years ago
8 0

Answer: Answer A

Explanation: sorry if I'm wrong but I'm sharing what I know

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7. DNA is essential to living organisms because it O is a spiral helix can prevent disease O carries the genetic code O can brea
dsp73

Answer: DNA is essential...because it carries the genetic code.

Explanation:

Although the other statements are true about DNA, it's a spiral helix and can break apart, its main function is that it contains the genetic code for organisms.

5 0
3 years ago
How many moles are in a sample of 1.52 x 1024 atoms of mercury (Hg)?
OLEGan [10]

The answer is:

2.5 moles

The explanation:

when avogadro's number = 6.02 * 10^23

and when 1 mole of the sample will give → 6.02*10^23 atoms

So,        ??? mole of the sample will give→ 1.52 x 10^24 atoms

∴ number of moles = (1.52 X 10^24) * 1 mole / (6.02X10^23)

                                = 2.5 moles

8 0
3 years ago
GIVING BRAINLIEST
Salsk061 [2.6K]

Answer:

D) Cool air is warming quickly.

Explanation:

d is the answer.

5 0
3 years ago
Read 2 more answers
PLEASE HELP Is this a redox reaction?<br><br> Zn + 2 HCl → ZnCl2 + H2
Alla [95]

Answer:

answer is #4

Explanation:

Zn^0 -------> Zn^2+  ,

H^1+ --------> H^0

3 0
3 years ago
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What is the molarity of a solution made from 325.4 g of AlCl3 (MM 133.34 g/mol) to make 500.0 mL?
NISA [10]

Answer : The molarity of a solution is, 4.88 M

Explanation : Given,

Mass of AlCl_3 = 325.4 g

Volume of solution = 500.0 mL

Molar mass of AlCl_3 = 133.34 g/mole

Molarity : It is defined as the number of moles of solute present in one liter of volume of solution.

Formula used :

\text{Molarity}=\frac{\text{Mass of }AlCl_3\times 1000}{\text{Molar mass of }AlCl_3\times \text{Volume of solution (in mL)}}

Now put all the given values in this formula, we get:

\text{Molarity}=\frac{325.4g\times 1000}{133.34g/mole\times 500.0mL}=4.88mole/L=4.88M

Therefore, the molarity of a solution is, 4.88 M

6 0
3 years ago
Read 2 more answers
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