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kondaur [170]
3 years ago
6

Write the volume of the liquid, in milliliters, using the proper number of significant figures.Express your answer with the appr

opriate units.
Chemistry
1 answer:
gulaghasi [49]3 years ago
3 0

Answer:

19.5 mL

Explanation:

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Why was the term inert gases dropped? Why was the term inert gases dropped? The term "inert" was dropped because hydrogen was ad
xxMikexx [17]

Answer:

B) The term "inert" was dropped because it no longer described all the group 8A elements.

Explanation:

Inert elements in chemistry simply refers to elements that are chemically inactive and are not expected to form any compounds. this is the general belief for the group 8 elements as they all have complete duplet/octet configurations (and ideally, they ought to be very stable with no tendency to form compounds by participating in the loss and gain of electrons). However the discovery of compounds like xenon tetrafluoride (XeF4) proved this to be wrong.

Again, the reason the term - inert gses was droppedis beacause this term is not strictly accurate because several of them do take part in chemical reactions.

After dropping the term - Inert gases, they are now referred to as noble gases.

8 0
3 years ago
During a 4 hour trip, a boat sailed 70 km in 2 h. Then the boat did not move for 1 hour and traveled 26 km in the last hour. Wha
Lubov Fominskaja [6]

Answer:

32km/hr

Explanation:

The question asks to calculate the average speed for a boat.

Mathematically, the average speed is the total distance divided by the total time

Let’s get the total distance traveled:

That would be 70km + 26km = 96km

Now the total time taken would be 3 as the boat did not move at all for an hour.

The average speed is thus 96/3 = 32km/hr

7 0
3 years ago
The solubility of gases in liquids increases with increasing pressure. <br> a. True <br> b. False
amid [387]
Hello There!

The solubility of gases in liquids increases with increasing pressure.

Answer: True

Hope This Helps You!
Good Luck :) 

- Hannah ❤
6 0
3 years ago
Read 2 more answers
The mass number of an atom is 18 and the atom has 8 protons. What is the number of neutrons?
Dafna11 [192]

Answer:

10 neutrons

Explanation:

The mass number is equivalent to the protons + neutrons so...

18 - 8 = 10 neutrons

8 0
2 years ago
What are the spectator ions in 2H+ + SO42- + Ca2+ + 21 → CaSO4 + 2H+ + 21-?
ra1l [238]

Answer:

B

Explanation:

8 0
3 years ago
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