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kondaur [170]
2 years ago
9

Which of the following are characteristics of a gas? (Select all that apply.)

Chemistry
2 answers:
ladessa [460]2 years ago
4 0

Answer:

it has a fixed volume it can also be compressed

Explanation:

a gases molecules don't move slow because they are not solid and are not compacted.

a gas does not have a fixed shape because there is nothing to hold its shape

Tasya [4]2 years ago
4 0

Answer: I would say the last one only

Explanation:

Cuz Gases have the following characteristics:

no definite shape (takes the shape of its container)

no definite volume

particles move in random motion with little or no attraction to each other

highly compressible

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From the list of substances, identify each as a strong acid, strong base, or neither a strong acid nor a strong base.
Dafna11 [192]

Answer:

HNO3 is a strong acid

HCl is also a strong acid

NaCl is a salt so it is neither a strong acid nor a strong base

Ca(OH)3 is a strong base

Explanation:

8 0
3 years ago
The individual particles in an ionic solid are held together as a result of:
dlinn [17]

electrostatic force

Explanation:

In ionic bonds one atom is positively charged (the atom that gives its electrons), and the other atom is negatively charged (the atom that receives the electrons); therefore, it is the opposite charge of the ions that attracts them to one another and holds them together with electrostatic force.

8 0
2 years ago
A 9.79 mol sample of freon gas was placed in a balloon. Adding 3.50 mol of freon gas to the balloon increased its volume to 21.8
aivan3 [116]

Answer:

16.06 L was the initial volume of the balloon.

Explanation:

Initial moles of freon in ballon = n_1=9.79 mol

Initial volume of freon gas in ballon = V_1=?

Moles of freon gas added in the balloon = n = 3.50 mole

Final moles of freon in ballon = n_2=n_1+n=9.79 mol+3.50 mol=13.29 mol

Final volume of freon gas in ballon = V_2=21.8 L

Using Avogadro's law:

\frac{V_1}{n_1}=\frac{V_2}{n_2} ( at constant pressure and temperature)

V_1=\frac{V_2\times n_1}{n_2}=\frac{21.8 L\times 9.79 mol}{13.29 mol}=16.06L

16.06 L was the initial volume of the balloon.

4 0
3 years ago
What is pollution ? briefly<br><br>​
Marrrta [24]

Answer:

pollution there are many kind of pollution..... water pollution is when people dumb and trash into the ocean and air pollution is when factories pump coal and other substance  to make light but also cause harmful gas into the atmosphere.

Explanation:

7 0
3 years ago
Identify the brønsted-lowry acid, the brønsted-lowry base, the conjugate acid, and the conjugate base in each reaction: (a) c5h5
Pie

acids give away protons (H+), bases accept protons, conjugate bases are what u get when when you take the protons from the acid, and conjugate acids are what u get when you add the protons to the base.

so for (a) the C5H5N is the base, water is the acid, C5H5NH+ is the conj acid, OH- is the conj base

(b) HNO3 is the acid, H2O is the base, hydronium ion is the conj. acid, NO3- is the conj base.

7 0
3 years ago
Read 2 more answers
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