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SOVA2 [1]
3 years ago
7

Which compound has atoms sharing 2 electrons? CCl4 N2 Br2 CO2

Chemistry
1 answer:
IRISSAK [1]3 years ago
3 0
CCl4 is the answer to This
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2. A quantity of 1.922g of methanol (CH3OH) was burned in a constant-volume
Cerrena [4.2K]
Mass of methanol (CH3OH) = 1.922 g
Change in Temperature (t) = 4.20°C
Heat capacity of the bomb plus water = 10.4 KJ/oC
The heat absorbed by the bomb and water is equal to the product of the heat capacity and the temperature change.
Let’s assume that no heat is lost to the surroundings. First, let’s calculate the heat changes in the calorimeter. This is calculated using the formula shown below:
qcal = Ccalt
Where, qcal = heat of reaction
Ccal = heat capacity of calorimeter
t = change in temperature of the sample
Now, let’s calculate qcal:
qcal = (10.4 kJ/°C)(4.20°C)
= 43.68 kJ
Always qsys = qcal + qrxn = 0,
qrxn = -43.68 kJ
The heat change of the reaction is - 43.68 kJ which is the heat released by the combustion of 1.922 g of CH3OH. Therefore, the conversion factor is:
5 0
3 years ago
When humans burn fossil fuels, most of the carbon quickly enters the_______
Len [333]

Answer:

Atmosphere.

Explanation:

Carbon moves from fossil fuels to the atmosphere when fuels are burned. When humans burn fossil fuels to power factories, power plants, cars and trucks, most of the carbon quickly enters the atmosphere as carbon dioxide gas.

8 0
3 years ago
Read 2 more answers
PLEASE HELP ASAP !!!!!!!!!!!!!!!!!!!!!!!!!!!!!
In-s [12.5K]

+2, because the element has more protons than electrons now

5 0
3 years ago
(cwater=4.18 J/g°C)
DedPeter [7]

Answer:

WHAAAAAAAAAAAAAAAAAAAAT  

Explanation:

6 0
2 years ago
What is the possible or stored energy in an object called?
DIA [1.3K]

Answer:

Potential energy is the energy stored within an object, due to the object's position, arrangement or state. Potential energy is one of the two main forms of energy, along with kinetic energy.

Explanation:

4 0
3 years ago
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