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bazaltina [42]
3 years ago
12

Which of the following statements is true? Temperature is the same as heat. Heat can travel through a vacuum. Heat has shorter w

avelengths than visible light. All of the above.
Chemistry
2 answers:
pochemuha3 years ago
8 0

Answer:

All the above

Explanation:

Luda [366]3 years ago
5 0
All of the above because heat can get higher but so does the temperture and heat does travel throug a vacuum.
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The gasses in a hair spray can are at temperature 300k and a pressure of 30 atm, it
Sergeeva-Olga [200]

Answer:

900 K

Explanation:

Recall the ideal gas law:

\displaystyle PV = nRT

Because only pressure and temperature is changing, we can rearrange the equation as follows:
\displaystyle \frac{P}{T} = \frac{nR}{V}

The right-hand side stays constant. Therefore:

\displaystyle \frac{P_1}{T_1} = \frac{P_2}{T_2}

The can explodes at a pressure of 90 atm. The current temperature and pressure is 300 K and 30 atm, respectively.

Substitute and solve for <em>T</em>₂:

\displaystyle \begin{aligned} \frac{(30\text{ atm})}{(300\text{ K})} & = \frac{(90\text{ atm})}{T_2} \\ \\ T_2 & = 900\text{ K}\end{aligned}

Hence, the temperature must be reach 900 K.

7 0
2 years ago
HELP ASAP PLEASEEEEE!!!!! (serious answers only or i’ll report)
Sonbull [250]

Answer:

1st order

Explanation:

because magnesium has a coefficient of 1, it is first order

hydrochloric acid has a coefficient of 2, so it is second order

overall the reaction is third order (1+2)

5 0
3 years ago
I'm sorry for asking so many questions this assignment is past due and I need it done NOW
marishachu [46]

Answer:

7N to the right

Explanation:

7 0
2 years ago
Which term best describes liquid behavior under pressure?
maxonik [38]

Answer:

Option a incompressible

Explanation:

Liquids have definite volume, but indefinite shape.

Liquids take the shape of the container . When a liquid is inside a container, it will take its shape. Unlike gases, a liquid cannot change its volume to spread out and completely fill a container.  Hence a liquid cannot be compressed.

Immiscible is not right because this applies only when two liquids are there

Surfectants are compounds that reduce the surface tension between two liquids or a liquid or a gas, etc.

Hence here appropriate choice is

a) incompressible

7 0
3 years ago
Read 2 more answers
How to do electronic configuration
In-s [12.5K]
A Bohr diagram of lithium. In atomic physics and quantum chemistry, the electron configuration is the distribution of electrons of an atom or molecule (or other physical structure) in atomic or molecular orbitals. For example, the electron configuration of the neon atom is 1s 2 2s 2 2p 6
5 0
3 years ago
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