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marissa [1.9K]
3 years ago
7

Which of the following is soluble in water?

Chemistry
1 answer:
Nina [5.8K]3 years ago
8 0
I hope this answers helps it’s D
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Thermal energy is measurement of what type of molecular energy? *
Rama09 [41]

Answer:

Kinetic energy!

Explanation:

It measures the average kinetic energy of the molecules of a substance in degrees Fahrenheit (F) or Celsius (C).

Have a good day!!

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3 years ago
If a star is 300 light years away from Earth, how long does it take light from that star to reach Earth?
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8 0
3 years ago
A gas has a volume of 590 mL at temperature of -55.0 C. What volume will the gas occupy at 30.0 C show your work
DENIUS [597]
Data:
V_{initial} = 590\:mL
T_{initial} = -55.0^0C
converting to Kelvin
TK = TC + 273
TK = -55.0 + 273 → TK = 218.0 → T_{initial} = 218.0\:K
V_{final} = ? (in\:milliliters)
T_{final} = 30.0^0C
TK = TC + 273
TK = 30.0 + 273 → TK = 303.0 → T_{final} = 303.0\:K

By the first Law of Charles and Gay-Lussac, we have: 
\frac{ V_{i} }{ T_{i} } = \frac{ V_{f} }{ T_{f} }

Solving:
\frac{ V_{i} }{ T_{i} } = \frac{ V_{f} }{ T_{f} }
\frac{ 590 }{ 218.0 } = \frac{ V_{f} }{ 303.0 }
Product of extremes equals product of means:
218.0* V_{f} = 590*303.0
218.0 V_{f} = 178770
V_{f} = \frac{178770}{218.0}
\boxed{\boxed{V_{f} \approx 820.04\:mL}}\end{array}}\qquad\quad\checkmark
7 0
3 years ago
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Verizon [17]
The electronic configuration is for iron (Fe) because if you add all those power up it will give you 26 and it’s the atomic number of Fe
4 0
3 years ago
Suppose that a substance in a beaker is heated over a burner in a science lab. Which observation would most likely indicate that
victus00 [196]

Answer:

D

Explanation:

the production of an odor would indicate that the heat ignited a chemical reaction

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3 years ago
Read 2 more answers
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