Air has
A. a definite volume but not a definite shape
B. a definite shape but not a definite volume.
C. no definite volume or shape.
D. both a definite shape and a definite volume.

Answers

Answer 1

Answer would be neither!

The reason being that it can take the shape and volume of anything.

Answer 2

Answer:

Neither

Explanation:


Related Questions

WILL MARK YOU BRAINIEST

Answers

It’s the crust because its the furthest away from the inner core which i think is the hottest so therefore is the crust is the coldest!


5. CaCO, - CaO+CO,
Reaction Type

Answers

Answer:

(a) Decomposition: A substance breaks down to smaller species. [e.g. CaCO3(s) → CaO(s) + CO2(g) Decomposition of limestone to calcium oxide (quicklime) and carbon dioxide on heating.]

Someone help please!!!

Answers

Well, the answer to this question is A. Also, I just want to wish you a happy new year and have a fantastic and amazing rest of your day!

PLEASE HELP ME! The question is on the image! It’s about the mole

Answers

Ok the answer is the

100 pts
HELP!!!!!!!!
Between steps 2 and 3, the chemical energy in the coal is converted to
electrical energy

mechanical energy

transitional energy

heat energy

Answers

Answer:

It Is Transitional Energy.

Explanation: I Took The Quiz And Got It Wrong. It Showed That Transitional Energy Was The Correct Answer.

Answer:

heat energy

Explanation:

What is the proper value for F in the above table? A. 28 B. 30 C. 2+ D. 2-

Answers

Explanation:

charge = proton - electron

charge = 65-63

charge = +2

Answer:here is ur answer....

Explanation:

C) 2+

Fill in the question mark area of the dimensional analysis set up with the correct conversion 3.25 x 10-3 molecules H2O x 1 mole moles​ PLEASSSS HELPPPP

Answers

B

6.02 x 10^23 molecules

Given the following two quantities: 0.50 mol of CH4 and 1.0 mol of HCl,
a. Which has more atoms?
b. Which has more molecules?
c. Which has the greater mass?
d. Which has the greater volume at the same temperature and pressure (both are gases)?

Answers

Answer:

(a) HCl

(b) HCl

(c) HCl

(d) HCl

Explanation:

Given: 0.50 mol of CH₄ and 1.0 mol of HCl

Using stoichiometry we can calculate the answers to parts a, b, c, and d.

Part (a)

# of moles × Avogadro's number = # of atoms or molecules

Avogadro's number: 6.02 * 10²³

[tex]\displaystyle 0.50\ \text{mol CH}_4 \cdot \frac{6.02\cdot 10^2^3 \ \text{atoms CH}_4}{1 \ \text{mol CH}_4} = 3.01 \cdot 10^2^3 \ \text{atoms CH}_4[/tex] [tex]\displaystyle 1.0\ \text{mol HCl} \cdot \frac{6.02\cdot 10^2^3 \ \text{atoms HCl}}{1 \ \text{mol HCl}} = 6.02 \cdot 10^2^3 \ \text{atoms HCl}[/tex]

HCl has more atoms than CH₄.

Part (b)

This is calculated the same way as Part (a); HCl has more molecules than CH₄.

Part (c)

Molar mass of CH₄ = 16.04 g/mol

Molar mass of HCl = 36.458 g/mol

[tex]\displaystyle 0.50\ \text{mol CH}_4 \cdot \frac{16.04 \ \text{g CH}_4}{1 \ \text{mol CH}_4} = 8.02 \ \text{g CH}_4[/tex] [tex]\displaystyle 1.0\ \text{mol HCl} \cdot \frac{36.458 \ \text{g HCl}}{1 \ \text{mol HCl}} = 36.458 \ \text{g HCl}[/tex]

HCl has a greater mass than CH₄.

Part (d)

Assuming STP:

Molar volume of any gas at STP is 22.4 L/mol.

[tex]\displaystyle 0.50\ \text{mol CH}_4 \cdot \frac{22.4 \ \text{L CH}_4}{1 \ \text{mol CH}_4} = 11.2 \ \text{L CH}_4[/tex] [tex]\displaystyle 1.0\ \text{mol HCl} \cdot \frac{22.4 \ \text{L HCl}}{1 \ \text{mol HCl}} = 22.4 \ \text{L HCl}[/tex]

HCl has a greater volume than CH₄.

State the law of multiple proportions.

Answers

Statement that when two elements combine with each other to from more than one compound, the weights of one element that combine with a fixed weight of the other are in a ratio of small whole numbers.

Answer:

Law of Multiple proportion states that when two elements combine to form more than one compound, the mass of one element, which combines with a fixed mass of the other element, will always be ratios of whole numbers. For example, let us assume 2 molecules CO (carbon monoxide) and CO2(carbon dioxide).

Explanation:

1.05 Lab pls help(Measuring Physical Properties Lab Report)

Answers

Answer:

1.05 hopefully this helps

Does anybody know what the dependent and independent variables are?

Which of the following is an example of a precipitate?
A: liquid evaporating into gas
B: a solid formed from a frozen liquid
C: a chunky solid formed from two liquids combining
D: a liquid solution that contains two substances

Answers

I think should be d. Please give me brainlest let me know if its correct or not okay thanks bye

Which process produces the energy that powers a solar calculator?
A. Nuclear fusion
B. Chemical decay
C. Radioactive decay
D. Nuclear fission​

Answers

Answer:

For solar energy, Nuclear Fusion occurs. You can research this for more detail.

Explanation:

Answer:

nuclear fission

Explanation:

(sand) and (Sand with water) both of them are heterogeneous
mixture isn't it?​

Answers

Answer:

yes true

Explanation:

both are heterogeneous

Which of the following is a definition of a line segment?

Answers

Answer:   So, a line segment is a piece or part of a line having two endpoints. Unlike a line, a line segment has a definite length.

Explanation:

Answer:

a line segment is a part of a line that is bounded by two distinct end points, and contains every point on the line between its endpoints.

Question 10 (1 point)
What is the name for MnO?

manganese oxide
manganese (II) oxide
manganese (IV) oxide
manganese (VI) oxide


Answers

Answer
Manganese II oxide
Thank you

Answer:

D it is D

Explanation:

Calculate the volume, in liters, occupied by 1.80 moles of H2 gas at STP.

Answers

Answer:

40.32L

Explanation:

So we know that 22.4 Liters is one mole of a gass so we can set up an equation to test that

1mole     1.8mole

_____ = _____

22.4L         x

and then cross multiply so you get 40.32L

Answer:

40.32L

Explanation:

Just did worksheet

what is galvanization ?​

Answers

Explanation:

The most common hot dipping process for industrial applications is galvanizing, which refers to the coating of zinc over iron or steels for rust proofing. It is an extremely versatile and easy means of providing corrosion protection for construction materials exposed to atmospheric conditions

Explain. Why are rift zones common places for
igneous rock to form?

Answers

Answer: Rift zones are common places for igneous rock to form because the pulling apart of rocks decreased the pressure on buried rocks.

Explanation: magma can then form and solidify.

What is the density of an object with a mass of 125 g and a volume of 150 mL ?

Answers

Answer:

13

Explanation:

234567877

True or False, plz don't answer if you don't know the correct answer ​

Answers

Answer:

The answer is true

Explanation:

Hope this can help

Why are summer days longer than winter days on Earth?
A. During the summer, Earth's rotational axis is parallel to the Sun's rotational axis.
B. During the summer, Earth is at the point in its orbit when it is closest to the Sun.
C. The region of Earth experiencing summer rotates past the Sun more slowly than the region experiencing winter.
D. The region of Earth experiencing summer is tilted toward the Sun while the region experiencing winter is tilted away from the Sun.
PLEASE HELP ITS A TEST

Answers

Answer:

A. During the summer, Earth's rotational axis is parallel to the Sun's rotational axis.

Explanation:

Actually, though, the Earth is tilted 23.4 degrees! (A circle is 360 degrees.) This tilt is the reason that days are longer in the summer and shorter in the winter. The hemisphere that's tilted closest to the Sun has the longest, brightest days because it gets more direct light from the Sun's rays.

Plz mark me brainliest if correct :)

During summer days, north pole of earth is exposed to sun because ofthe tilt of earth's rotational axis. Thus, The region of Earth experiencing summer is tilted toward the Sun while the region experiencing winter is tilted away from the Sun.

What is summer?

Summer is a season in earth. There are different seasons in earth namely, summer, winter, spring, autumn etc. These season are arising due the revolution of earth around sun.

The distance of different regions of earth from sun changes due to the revolution of earth. Thus heat gained by these regions will be different in different seasons.

The north pole in summer gains more heat and light energy because of tilt in the axis of earth is towards the sun. Hence, the day time will be longer in summer than the winter. In winter, the earth is relatively apart from sun and thus  tilt is and gains less light and heat  .

To find more on seasons, refer here:

https://brainly.com/question/19009677

#SPJ6

0.00099989
3 sig figs, scientific notation

Answers

1.00*10^3
You’d need to lower the exponent because rounding to 3 sig figs changes the 9’s to - 1000. Keep the 0’s.

simple device that makes climbing easier

Answers

Answer:

inclined plane ; is that device.

Which of the following elements has the strongest attraction for the electrons in a bond?
(A.) hydrogen
(B.) lithium
(C.) bromine
(D.) astatine

Answers

Answer:

A)

Explanation:

Entre todos esas materias el hidrógeno es el más fuerte

A is the answer. Because you need hydrogen in electrons

explain with example the combination and decomposition reaction.​

Answers

Answer:

Decomposition reactions require an input of some form of energy. For example, under the influence of an electric field, water breaks down to give hydrogen and oxygen. In the presence of sunlight, hydrogen peroxide decomposes into oxygen and water.

Analyze. This reaction releases energy as heat. Explain whether the reaction is exothermic or endothermic and whether it obeys the laws of Conservation or energy

Answers

Answer:

See explanation

Explanation:

If heat is given out in a reaction, then that reaction is exothermic. If heat is absorbed in a reaction, then that reaction is endothermic.

Hence, if heat is given out, the reaction is exothermic. The heat given out does work on the surrounding thus the laws of conservation of energy are obeyed.

Answer:

The reaction is exothermic.

Explanation:

I took the test

Where in the ATOM are the protons and neutrons found?
I

Answers

Answer:

in nucleus atom of proton and netwon found

Why do cat always land on their feet???

Answers

Answer:Cats’ ability to land on their feet can be chalked up to the “righting reflex” that they possess:)

Explanation:

What mass of potassium would react with excess chlorine to produce 156 g of potassium chloride?
____ K + ____ Cl2 ____ KCl

Answers

Answer:

Explanation:

Oxygen is prepared by catalytic decomposition of potassium chlorine (KClO3). Decomposition of potassium, chloride gives potassium chloride (KCl) and oxygen (O2). How many moles and how many grams of KClO3 are required to produce 2.4 mole O2?

A. When glucose molecules link up what substance do they form?
B. Which nutrient is made from amino acids?

Answers

Answer:

Explanation: b

b is proteins and a is polysaccharides
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