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Mekhanik [1.2K]
3 years ago
8

Help me I'm almost finished with this Answer in 1234 statement or ABCD

Chemistry
2 answers:
ch4aika [34]3 years ago
8 0

Answer:

The liquid in beaker 1 has a higher density than the liquid in beaker 2.

olganol [36]3 years ago
4 0
1 has higher density then 2
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Describe a method to calculate the average atomic mass of using only the atomic masses of
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Average amu is 6.52556

Explanation:

Average the numbers

Add the two masses together.

6.01512+ 7.01600= 13.03112

Then divide by 2, we divide by 2 because that is how many #'s we are given.

13.03112/ 2= 6.52556

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Is the Sun a star? Explain.​
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sun is a star because it has it own light. it don't need to reflect through others light

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Where are the different<br> particles in an atom located and what are their charges?
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Explanation:

The different subatomic particles in an atom are the:

  • Protons which are the positively charged particles.
  • Electrons which are the negatively charged particles.
  • Neutrons which do not carry any charges.

Protons and neutrons are located in the nucleus of an atom which is the tiny center of the atom.

Electrons orbits around the nucleus and fill the rest of the volume of atom.

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3 years ago
The image above shows what happens when hydrochloric acid (HCl) and sodium hydroxide (NaOH) are mixed with water. Which statemen
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The correct answer is A
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3 years ago
Write down as many correct, distinct, and relevant facts you can about the following prompt: 100 mL of 1.0 M solution H2SO4 is a
galben [10]

Answer:

Explanation:

From the equation:

H2SO4(aq) + 2NaOH(aq) --> Na2SO4(aq) + 2H2O (l)

<em>1 mole of the acid (H2SO4) and 2 moles of the base (NaOH) are required for complete neutralization.</em>

mole of acid (H2SO4) present = molarity x volume

                                  = 1 x 0.1 = 0.1 mole

Mole of base (NaOH)  present = mass/molar mass

                                                      = 7/40 = 0.175 mole

<em>The ratio of acid and base should be 1:2, hence the acid is slightly excessive in this case and the base is the limiting reagent that will determine the extent of the reaction.</em>

Amount of excess acid = 0.1 - 0.175/2

                                       = 0.0125 mole

volume of excess acid = mole/molarity

                                      = 0.0125 x 1 = 0.0125 L

                                       = 12.5 mL

<em>Hence, the acid (H2SO4) was in excess by 12.5 mL.</em>

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3 years ago
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