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Damm [24]
3 years ago
6

Which statement describes what it means for energy to be conserved?

Chemistry
2 answers:
Aloiza [94]3 years ago
5 0

• Energy released by a reaction is gained by the surroundings.
ch4aika [34]3 years ago
3 0

Answer:

energy released by a reaction is gained by the surroundings.

Explanation:

umm... I'm not 100% sure about this

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On the window sill is a potted plant. The plant always seems to lean toward the window. Even though you turn its pot around ever
ICE Princess25 [194]

Answer:

because im trynna get these 5 points

Explanation:

mklnk.m

3 0
3 years ago
What volume of water is required to prepare 0.1 M H3PO4 from 100 ml of 0.5 M solution?
ExtremeBDS [4]

Answer: A volume of 500 mL water is required to prepare 0.1 M H_{3}PO_{4} from 100 ml of 0.5 M solution.

Explanation:

Given: M_{1} = 0.1 M,    V_{1} = ?

M_{2} = 0.5 M,       V_{2} = 100 mL

Formula used to calculate the volume of water is as follows.

M_{1}V_{1} = M_{2}V_{2}

Substitute the values into above formula as follows.

M_{1}V_{1} = M_{2}V_{2}\\0.1 M \times V_{1} = 0.5 M \times 100 mL\\V_{1} = 500 mL

Thus, we can conclude that a volume of 500 mL water is required to prepare 0.1 M H_{3}PO_{4} from 100 ml of 0.5 M solution.

7 0
3 years ago
How many moles of c2h6o are in a 24.5 gram sample?
andreev551 [17]
0.5326086957 moles ....
5 0
3 years ago
List the colors of light in the visible spectrum in order<br> of increasing frequency.
masya89 [10]

Answer:

Violet 400 - 420 nm

Indigo 420 - 440 nm

Blue 440 - 490 nm

Green 490 - 570 nm

Yellow 570 - 585 nm

Orange 585 - 620 nm

Red 620 - 780 nm

Explanation:

5 0
3 years ago
A balloon contains 5470cm3 of gas and has a mass of 10.24g. The mass of the empty balloon is2.42g. What is the density of the ga
kow [346]
Density is the mass of substance per unit volume of a substance. to solve the problem, first calculate the mass of the gas.
mass gas = ( mass of balloon with gas ) - ( mass of balloon )
mass gas = 10.24 g - 2.42 g
mass gas = 7.82 g

so the density
density = m / v = 7.82 g / 5470 cm3
density = 0.00145 g / cm3
7 0
3 years ago
Read 2 more answers
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