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Rainbow [258]
2 years ago
11

NAME THESE COUMPANDS

Chemistry
1 answer:
alina1380 [7]2 years ago
8 0

Answer:

propane -1 2 3 - trioic acid

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What causes thermal energy to be released
Sunny_sXe [5.5K]

Thermal energy (also called heat energy) is produced when a rise in temperature causes atoms and molecules to move faster and collide with each other. The energy that comes from the temperature of the heated substance is called thermal energy.

Hope this helps! :)

8 0
3 years ago
Consider the synthesis of water as shown in Model 3. A container is filled with 10.0 g of H2 and 5.0 g of O2.
vagabundo [1.1K]

2H2 + O2 → 2H2O

First, we will find the moles :

n H2 = m H2 / Mr H2

n H2 = 10 / 2

n H2 = 5 mole

n O2 = m O2 / Mr O2

n O2 = 5 / 16

n O2 = 0.3125 mole

n H2 / coef. H2 > n O2 / coef. O2

So, O2 is the limiting reactant

The mass of water produced :

n H2O = (coef. H2O / coef. O2) • n O2

n H2O = (2/1) • 0.3125

n H2O = 0.625 mole

m H2O = n H2O • Mr H2O

m H2O = 0.625 • 18

m H2O = 11.25 gr

Excesses reactant :

n H2 = 5 - 0.625 = 4.375 mole

m H2 = n H2 • Mr H2

m H2 = 4.375 • 2

m H2 = 8.75 gr

5 0
2 years ago
A reaction releases 489.34 J of heat how many calories of heat is that equal to 1 cal equals 4.186 J
Verdich [7]
The answer is equal to 115.47 calories. Just devide the amount of heat release by 4.186 J because it is equal to 1 cal
6 0
3 years ago
Which is the most reactive metal and why?​
Gemiola [76]

Answer:

Caesium, the most reactive metal in the periodic table, reacts extremely violently – hence why it can't be demonstrated in a classroom! This can be compared to other common metals, such as iron and copper, which produce no reaction when dropped into water.

Hope this answer is right!

3 0
2 years ago
#PLATOFAM
Vsevolod [243]
Ketones and aldehydes are simple compounds that contain a carbonyl group (a carbon-oxygen double bond). They are considered "simple" because they do not have reactive groups like −OH or −Cl attached directly to the carbon atom in the carbonyl group, as in carboxylic acids containing −COOH<span>.

So your answer would be D.).

I hope that this helps. :)</span>
4 0
3 years ago
Read 2 more answers
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