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kondor19780726 [428]
2 years ago
15

The modern periodic table is organized by increasing ______________ ___________.

Chemistry
2 answers:
professor190 [17]2 years ago
5 0

Answer:

atomic number.

Explanation:

maksim [4K]2 years ago
5 0

Answer:

Atomic number

Explanation:

The modern periodic table lists the elements in order of increasing atomic number (the number of protons in the nucleus of an atom).

<u><em>PLS MARK BRAINLIEST</em></u>

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What is the equation for SHC? Give all<br> units
barxatty [35]

Answer:

Q=mcΔT

Explanation:

The formula for expressing the amount of heat transferred between energy stores is given by the equation. The specific heat capacity of water is 4180 J/kgoC (Joules per kilogram per degree), this means it takes 4180 J of heat energy to raise the temperature of 1 kg of water by 1oC.

3 0
2 years ago
When a skin diver is on the top of the water at 1.03 atm, her lung volume is 3.62L. How will the volume of her lungs change as s
Anon25 [30]

Answer:

–2.23 L

Explanation:

We'll begin by calculating the final volume. This can be obtained as follow:

Initial pressure (P₁) = 1.03 atm

Initial volume (V₁) = 3.62 L

Final pressure (P₂) = 2.68 atm

Final volume (V₂) =?

P₁V₁ = P₂V₂

1.03 × 3.62 = 2.68 × V₂

3.7286 = 2.68 × V₂

Divide both side by 2.68

V₂ = 3.7286 / 2.68

V₂ = 1.39 L

Finally, we shall determine the change in volume. This can be obtained as follow:

Initial volume (V₁) = 3.62 L

Final volume (V₂) = 1.39 L

Change in volume (ΔV) =?

ΔV = V₂ – V₁

ΔV = 1.39 – 3.62

ΔV = –2.23 L

Thus, the change in the volume of her lung is –2.23 L.

NOTE: The negative sign indicate that the volume of her lung reduced as she goes below the surface!

3 0
2 years ago
What is the universe made of? Astronomers face an embarrassing conundrum: they don't know what 95% of the universe is made of.
Citrus2011 [14]

Answer:

I think u understand this answers

4 0
3 years ago
How long would it take a train to travel 500 miles at 25 mph?
faust18 [17]

Answer:

2 or 3 hrs

I think

<h2>HOPE IT HELPED </h2>
3 0
3 years ago
Read 2 more answers
Which of the following items is a salt? (1 point)
Tems11 [23]

  • Calcium carbonate is the  salt  among the given options.

  • Calcium carbonate ( CaCO3) can be regarded as  which appears as white and odorless powder or  as a colorless crystals it is  insoluble in water.

  • The chemical  formula is CaCO3. It can be used as an antacid as well as food colouring and a  food firming agent and a fertilizer.

  • Calcium carbonate is calcium salt as well as carbonate salt with one-carbon compound

  • Salt can be regarded as substance which is  produced by reaction between acid and  base. It  consists negative ion (anion) of that acid as well as positive ion (cation) of the base.

  • Sodium hydroxide is a base and not a salt

  • Carbonic acid is an acid and not a salt

  • Therefore, calcium carbonate is the only salt in the among the given options.

Learn more at ; brainly.com/question/14091731?referrer=searchResults

5 0
2 years ago
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