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3 years ago

What energy conversion takes place as a leaf falls to the ground?

Chemistry

2 answers:

Zigmanuir [339]3 years ago

4 0

Answer:

<h3>The answer is kinetic energy</h3>

Explanation:

<h2>The answer is Kinetic Energy because take for an example, When an apple falls from the tree to the ground, its energy of position is then made into kinetic energy, the energy of motion, as it falls to the ground. </h2>

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Lemur [1.5K]3 years ago

4 0

Kinetic energy takes place as a lead

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A compound is composed of only C, H, and O. The combustion of a .519-g sample of the compound yields 1.24 g of CO_2 and .255 g o

Kay [80]

Answer:

Empirical formula is C₃H₃O.

Explanation:

Given data:

Mass of compound = 0.519 g

Mass of CO₂ = 1.24 g

Mass of H₂O = 0.255 g

Empirical formula = ?

Solution:

%age of C,H,O

C = 1.24 g/0.519 × 12/44 ×100 = 65.5%

H = 0.255 g/0.519 × 2.016/18 ×100 = 5.6%

O = 100 - (65.5+5.6)

O = 28.9%

Number of gram atoms of H = 5.6 / 1.01 = 5.5

Number of gram atoms of O = 28.9 / 16 = 1.81

Number of gram atoms of C = 65.5 / 12 = 5.5

Atomic ratio:

C : H : O

5.5/1.81 : 5.5/1.81 : 1.81/1.81

3 : 3 : 1

C : H : O = 3 : 3 : 1

Empirical formula is C₃H₃O.

8 0

4 years ago

If the mother of a child is blood type O+ and the child is A-, what blood type would the father be?

blagie [28]

Answer:

b po

hope it helps

Explanation:

.........

3 0

3 years ago

How many moles of NH3 can be produced from 15.0 mol of H2 and excess of N2? express your answer numerically in moles

STALIN [3.7K]

Answer:

zhzhsjwuwusysushshsjshshsbshshdhdhshdhdbdbbdf

3 0

4 years ago

According to this decay series chart, which is the proper order of nuclear particle emission that occurs during the transition f

viva [34]

Explanation:

An alpha particles is basically a helium nucleus and it contains 2 protons and 2 neutrons.

Symbol of an alpha particle is $^{4}_{2}\alpha$ .

A beta particle is a particle with a negatively charged electron. Symbol of a beta particle is $^{0}_{-1}\beta$ .

According to the given question, the decay series chart along with reaction equation are as follows.

(a) Lead-214 changes to bismuth-214.

$^{214}_{82}Pb \rightarrow ^{214}_{83}Bi + ^{0}_{-1}e$

(b) Bismuth-214 changes to polonium-214.

$^{214}_{83}Bi \rightarrow ^{214}_{84}Po + ^{0}_{-1}e$

(c) Polonium-214 changes to lead-210.

$^{214}_{84}Po \rightarrow ^{210}_{82} + ^{4}_{2}He$

Therefore, we can conclude that proper order of nuclear particle emission is beta, beta, alpha.

7 0

3 years ago

10. Most of Greenland is covered by fresh water that is

kaheart [24]

Frozen. Most of Greenland is covered in freshwater that is frozen.

4 0

4 years ago