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Xelga [282]
2 years ago
7

How do you find mass in a balanced chemical equation help pleaseeee

Chemistry
1 answer:
oksano4ka [1.4K]2 years ago
4 0
Chemists use balanced chemical equations as a basis to calculate how much reactant is needed or how much product will be formed in a reaction.
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Recall all the models you described in task 1. Think about the results each model would predict for Thomson’s experiment. Which
Bumek [7]

Answer:

J.J. Thomson’s experiments with cathode ray tubes showed that all atoms contain tiny negatively charged subatomic particles or electrons. Thomson proposed the plum pudding model of the atom, which had negatively-charged electrons embedded within a positively-charged “soup.”

4 0
2 years ago
Which of these elements is the most ductile?
Inessa05 [86]
The answer is going to be mercury
8 0
2 years ago
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Consider the following reaction: NaHCO3 + HC2H3O2 → NaC2H3O2 + H2O + CO2 How many mol of CO2 would be produced from the complete
Assoli18 [71]

Answer:

0.208mole of CO2

Explanation:

First, let us calculate the number of mole of HC3H3O2 present.

Molarity of HC3H3O2 = 0.833 mol/L

Volume = 25 mL = 25/100 = 0.25L

Mole =?

Mole = Molarity x Volume

Mole = 0.833 x 0.25

Mole of HC3H3O2 = 0.208mole

Now, we can easily find the number of mole of CO2 produce by doing the following:

NaHCO3 + HC2H3O2 → NaC2H3O2 + H2O + CO2

From the equation,

1mole of HC2H3O2 produced 1 mole of CO2.

Therefore, 0.208mole of HC2H3O2 will also produce 0.208mole of CO2

6 0
3 years ago
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What is the molecular formula of the structure below?
taurus [48]

Answer:

C₆H₆

Explanation:

Each border of the figure represents 1 atom of carbon. We have 6 borders = 6 atoms of carbon.

Each atom of carbon form 4 bonds. All the carbons are doing a double bond and a single bond with other carbons. That means are bonded 3 times. The other bond (That is not represented in the figure. See the image) comes from hydrogens. As we have 6 carbons that are bonded each 1 with one hydrogen. There are six hydrogens and the molecular formula is:

<h3>C₆H₆</h3>

This structure is: Benzene

8 0
2 years ago
For the following equation; ____S8­ + ___ O2 à ___ SO2 a. State what type of reaction is taking place? b. Balance the equation c
postnew [5]

Answer:

a) Combustion

b) S8 + 8O2  -> 8SO2

c) 0.125 mol SO2

Explanation:

a) Combustion

b) S8 + 8O2  -> 8SO2

c)

4.0 g S8 (\frac{1 mol S8}{256 g S8})(\frac{8 mol SO2}{1 mol S8} ) =0.125 mol SO2

5 0
2 years ago
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