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IgorC [24]
2 years ago
9

Identify each layer of Earth as a solid or a liquid.

Chemistry
1 answer:
Anna71 [15]2 years ago
4 0
The crust is solid , the mantle is solid, the outer core is liquid, and the inner core is solid
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Why would a plant use the energy and resources to grow a fruit?
Step2247 [10]

Answer:

because a fruit holds the seeds it needs to reproduce and continue living.

3 0
3 years ago
Which statement explains the energy term in this reaction
lana66690 [7]

Answer:

Mass is lost due to the conversion of mass to energy

Explanation:

The question is not complete, the complete question is given as:

        ^{235}_{72}U +^{1}_{0}n                       ⇒        ^{140}_{56}Ba+^{93}_{36}Kr+3^{1}_{0}n+energy

total mass equals 236.053 u              total mass equals 235.868 u

Which statement explains the energy term in this reaction? (1) Mass is gained due to the conversion of mass to energy. (2) Mass is gained due to the conversion of energy to mass. (3) Mass is lost due to the conversion of mass to energy. (4) Mass is lost due to the conversion of energy to mass.

Answer: From Einstein’s equation  E = mc², when a radioisotope element undergoes fission or fusion in a nuclear reaction, it loses a tiny amount of mass.This mass lost is converted to energy.

The law of conservation of energy  holds for this type of reaction (i.e  the sum of mass and energy is remains the same in a nuclear reaction). Mass changes to energy, but the total amount of mass and energy combined remains the same before and after a nuclear reaction.

From the reaction above, the total decrease in mass = 236.053 - 235.868 = 0.185 u

4 0
2 years ago
There are many compounds that contribute to the overall aroma of a banana. The primary compound is called isoamyl acetate and co
Murljashka [212]

Explanation:

Let the mass of isoamyl acetate be 100g.

Moles of Carbon = 60.58/12 = 5.048mol

Moles of Hydrogen = 7.07/1 = 7.07mol

Moles of Oxygen = 32.28/16 = 2.018mol

Mole Ratio of C : H : O

= 5.048 : 7.07 : 2.018

= 5 : 7 : 2.

Hence the empirical formula of isoamyl acetate is C5H7O2.

8 0
2 years ago
Which type of reaction happens when a base is mixed with an acid? question 1 options:?
madreJ [45]
Chemicals cancel each other out and produce a salt and water. A neutralization reaction my also occur
7 0
2 years ago
I need chemistry help text me at (951) 897-8325 PLEASE
user100 [1]
Just post the question on here
7 0
2 years ago
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