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pashok25 [27]
3 years ago
7

Why is burning fossil fuels negative

Chemistry
1 answer:
Likurg_2 [28]3 years ago
5 0

Answer:

it causes alot of harm to the earth.

Explanation:

earthquakes

an so on

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From which category of elements would you choose to make a container that would not shatter if dropped? Explain your answer plea
Eduardwww [97]
Container must be made up of non metallic elements which can typically covalently  bond and must have lone pairs of electrons  dative bonds in order to allow further stability.
6 0
3 years ago
(a) Write the reaction for the overall oxidation of propane (C3H8) with oxygen to produce CO2 and water.
Pavlova-9 [17]

Answer:

Oxidation is the loss of electrons, that is, addition of electronegetive elements, example is addition of oxygen. Also, removal of electropositive elements, example is removal of hydrogen.

Explanation: a) In the presence of excess oxygen, propane burns in air, which gives the following chemical equation:

C3H8 + 5O2⇒ 3CO2 + 4H2O +Heat

b) When insufficient oxygen or too much oxygen is present for complete combustion, the following equation is given:

2C3H8 + 9O2 ⇒ 4CO2 + 2CO + 8H2O + Heat

c) At the anode( negative terminal): O∧2- ⇒ O + e

Oxygen accepts electron.

d) At cathode ( positive terminal): H∧+ + e∧- ⇒ H

Hydrogen donates electron

d) Nernst equation for reversal potential is given as follows:

E= RT/zF  In{ion outside cell}/{ion inside cell}= 2.303 RT/zF In{ion outside cell}/{ion inside cell}

4 0
3 years ago
Which scientist developed the 1st model of the atom that showed the structure of the inside of an atom?
frez [133]
C. Rutherford (1911)
7 0
3 years ago
Write the proper word equation to express the following chemical reaction: 4Fe (s) + 3Sn(NO3)4 (aq) arrow 4Fe(NO3)3 (aq) + 3Sn (
Lapatulllka [165]
The word equation for this reaction is:

Iron + Tin nitrate → Iron nitrate + Tin
3 0
3 years ago
The number of moles in 2.93 g of Li2O in corrext sig figs​
jekas [21]

Answer:

0.1 mol

Explanation:

Number of mole= mass/molar mass

lithium have a mass number of 7 and oxygen have a mass number of 16.

so, (7x2) + 16

= 30

therefore, number of moles = 2.93/30

= 0.10

4 0
3 years ago
Read 2 more answers
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