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dalvyx [7]
3 years ago
5

This planet has a toxic atmosphere. O Mercury O Venus O Earth O Mars

Chemistry
1 answer:
Lelu [443]3 years ago
3 0

the answer is venus.

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An alcohol thermometer makes use of alcohol's changing in order to measure temperature. As the temperature goes up.
kotegsom [21]

The question is incomplete, the complete question is;

An alcohol thermometer makes use of alcohol's changing _______ in order to measure temperature. As the temperature goes up, the alcohol contained in the thermometer increases in volume, filling more of the thermometer's tube.

A.

mass

B.

state

C.

chemical composition

D.

density

Answer:

D.

density

Explanation:

Every kind of thermometer makes use of a change in a particular physical property of a substance as a measure of temperature. It must be a property that changes with temperature.

Density of a substance changes with temperature. Even though the mass of alcohol in glass remains constant, but its volume increases or decreases with change in temperature leading to a change in volume and consequently a change in density of the alcohol in glass. This change is used as a measure of the change in temperature.

4 0
3 years ago
How many 1-cm cubes would it take to construct a cube that is 4 cm on edge? Express your answer using two significant figures.
Firlakuza [10]

Answer:

It would take 64 1-cm cubes to construct a 4-cm cube.

Explanation:

The volume of a cube is equal to the edge raised to the power of 3.

A 1-cm edge cube has a volume of V₁ = (1 cm)³= 1 cm³

A 4-cm edge cube has a volume of V₄ = (4 cm)³= 64 cm³

The number of small cubes required to fill the same volume than the big cube is:

\frac{V_{4}}{V_{1}} =\frac{64 cm^{3} }{1cm^{3} } =64

7 0
4 years ago
Perform the following calculations. Express the answers with the correct number of significant figures.
11Alexandr11 [23.1K]
Since there are no conversions to be done just add them as is
a) 1 g
b) 1.0 kg
c) 22 L
d) 3.6 cm
<span>e) 104.9 g</span>
7 0
3 years ago
A lithium atom contains 3 protons,4neutrons and 3 electrons.What would be formed if a proton was added to this atom.
slega [8]

Answer:

Adding one proton to an atom of lithium with 3 protons, 4 neutrons and 3 electrons would form a _beryllium ion_. The new atom have 4 protons and 4 neutrons since Be has a mass number of 9 then it has to form an ion. Hope this helps! PLEASE GIVE ME BRAINLIEST!!!! =)

8 0
3 years ago
A hydrogen atom is in the 2p state. determine the possible values of its magnetic quantum number m
Aneli [31]
There are four quantum numbers: the n, l, m and ms. When the orbital is 2p, it means that n=2 and l = 1. The n number takes the whole number before the sub-orbitals. Then, the designation for the p orbital is l=1. Now, the possible values if m is a range from -l to l. H<em>ence, in this case, that would be: -1, 0, 1.</em>
3 0
4 years ago
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