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ryzh [129]
3 years ago
5

Given the following equation: C2H60 + 302 + 3H2O + 2CO2

Chemistry
1 answer:
Margaret [11]3 years ago
3 0

Answer:

3moles

Explanation:

relation taken from balanced equation

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The metric system of units is known as
andre [41]

Answer:

International System of Units (SI)

Explanation:

I hope it helps :)

6 0
3 years ago
Which has a lower electronegativity: sodium or rubidium?
sammy [17]

Answer:

sodium has a lower electronegativity:)

Explanation:

6 0
3 years ago
Be sure to answer all parts. Write the unbalanced chemical equation to represent each of the following reaction statement. Do no
AnnZ [28]

Answer:

See explanation

Explanation:

An unbalanced chemical equation does not show equal number of atoms of each element on both sides of the reaction equation.

a) KOH + H3PO4 -----> K3PO4 + 3H20

b) Zn + AgCl -------> ZnCl2 + Ag

c) NaHCO3 → Na2CO3 + H2O + CO2

d) NH4NO2 ------> N2 + H2O

e) CO2 + KOH -----> K2CO3 + H2O

5 0
3 years ago
2A1 (s) + 3C12 (g) --> 2AlCl3 (s) (balanced)
Dennis_Churaev [7]

Answer:

32.3%

Explanation:

Percent yield is defined as:

Actual yield (125.5g) / Theoretical Yield * 100

To find theoretical yield we have to find the moles of aluminium. As 2 moles of Al produce 2 moles of AlCl3, the moles of Al = Moles AlCl3.

With these moles we can find the mass assuming a 100% of yield (Theoretical Yield) as follows:

<em>Moles Al = Moles AlCl3 (Molar mass Al = 26.98g/mol)</em>

72g Al * (1mol / 26.98g) = 2.67 moles AlCl3

<em>Mass AlCl3 (Molar mass: 133.34g/mol)</em>

2.67 moles AlCl3 * (133.34g / mol) = 355.8g AlCl3

Percent Yield = 125.5g / 355.8g * 100 =

<h3>32.3% </h3>
5 0
3 years ago
The electron configuration that belongs to the atom with the lowest first ionization energy is?
sasho [114]

The electron configuration that belongs to the atom with the lowest first ionization energy is francium.

<h3>What is ionization energy? </h3>

Ionization energy is defined as the minimum amount of energy required to remove the most loosely electron present in outermost shell.

<h3>Ionization energy across period</h3>

Ionization energy increase as we move from left to right in the period. This can be explained as when we move from left to right along period new electron is added to the same shell which increase the nuclear charge. Hence results int he decrease in size. Due to this decrease in size more energy is required to remove electron from outermost shell.

<h3>Ionization energy along group</h3>

Ionization energy decrease as we move from top to bottom along group. This can be explained as we move from top to bottom new electron is added to new shell. Due to addition of new shell the size of atom increases which results in the decrease in the nuclear charge. Due to this less amount of energy is needed to remove an electron.

Thus, we concluded that the electron configuration that belongs to the atom with the lowest first ionization energy is francium.

learn more about ionization energy:

brainly.com/question/1602374

#SPJ4

4 0
2 years ago
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