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Likurg_2 [28]
3 years ago
13

Abigail obtained 36.6 grams of calcium carbonate after performing a reaction. From her calculations, she knew she should have ob

tained 44.1 grams. What was her percent yield
Chemistry
1 answer:
Zielflug [23.3K]3 years ago
3 0

Answer:

it would be 1

Explanation:

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What is the total pressure of a gas mixture containing partial pressures of
Advocard [28]

Answer:

1.54 atm

Explanation:

By Dalton's Law Of partial pressure,

Total Pressure = Sum of all partial pressures

So,P= P1 + P2 + P3

Therefore, P=0.23+0.42+0.89

=1.54 atm

8 0
2 years ago
PLS HELP QUICK ALOTTT OF POINTS
timofeeve [1]

Answer:

\boxed {\boxed {\sf 0.80 \ mol\ F}}

Explanation:

We are asked to find how many moles are in 4.8 × 10²³ fluorine atoms. We convert atoms to moles using Avogadro's Number or 6.022 × 10²³. This is the number of particles (atoms, molecules, formula units, etc.) in 1 mole of a substance. In this case, the particles are atoms of fluorine.

We will convert using dimensional analysis and set up a ratio using Avogadro's Number.

\frac {6.022 \times 10^{23} \ atoms \ F}{ 1 \ mol \ F}

We are converting 4.8 × 10²³ fluorine atoms to moles, so we multiply the ratio by this number.

4.8 \times 10^{23} \ atoms \ F *\frac {6.022 \times 10^{23} \ atoms \ F}{ 1 \ mol \ F}

Flip the ratio so the units of atoms of fluorine cancel each other out.

4.8 \times 10^{23} \ atoms \ F *\frac { 1 \ mol \ F}{6.022 \times 10^{23} \ atoms \ F}

4.8 \times 10^{23}  *\frac { 1 \ mol \ F}{6.022 \times 10^{23} }

Condense into 1 fraction.

\frac { 4.8 \times 10^{23} }{6.022 \times 10^{23} } \ mol \ F

Divide.

0.7970773829 \ mol \ F

The original measurement of atoms has 2 significant figures, so our answer must have the same. For the number we found, that is the hundredths place. The 7 in the thousandths tells us to round the 9 in the hundredths place up to a 0. Then, we also have to round the 7 in the tenths place up to an 8.

0.80 \ mol \ F

4.8 × 10²³ fluorine atoms are equal to <u>0.80 moles of fluorine.</u>

6 0
3 years ago
When you put a bottle of juice in a cooler full of ice the juice gets cold that's because the cold transfers to the juice and sl
zubka84 [21]
Because the ice helps cool it up


5 0
3 years ago
Which represents a balanced nuclear equation?
Anestetic [448]

Answer:

the answer is a

took it on edge

Explanation:

3 0
2 years ago
Please help!!! List three different rock cycles for the following: Sedimentary rock, Metamorphic rock, and Igneous rock.
ValentinkaMS [17]

Sedimentary rocks are formed when different layers of debris ( usually sand ) are forced together under pressure.

Metamorphic rock forms from other types of rock that have been changed by a combination of high heat and pressure.

Igneous rock forms when Lava/Magma cools down

8 0
3 years ago
Read 2 more answers
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