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alisha [4.7K]
3 years ago
14

Plant cells have large central ________________ . These are also found in animal cells but are much smaller Question 3 options:

Chloroplast Vacuole Mitochondria Cell Membrane
Chemistry
1 answer:
Phantasy [73]3 years ago
6 0

Answer:

vacuoles

Explanation:

Vacuoles are not only found in animal and plant cells, but on every given diagram vacuoles are huge and singular on a plant cell. Animals however, there are multiple and are much smaller

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3 years ago
What happens to water when it warms above 4 C
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8 0
3 years ago
a couple of pennies have a mas of 5.2 grams. Asuming that the pennies are 100% percent copper,how many moles of copper are the p
dangina [55]

Answer:

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Explanation:

mole conversions:

grams to moles => divide by formula wt.

moles to grams => multiply by formula wt.

gas volumes to moles => divide volume by 22.4Liters/mole (STP conditions only)

This problem:

mass to moles => divide by formula wt.

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5 0
3 years ago
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8 0
3 years ago
How would you prepare 3.5 L of a 0.9M solution of KCl?
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V=3,5L\\&#10;Cm=0,9M\\&#10;M_{KCl}=74\frac{g}{mol}\\\\&#10;C_{m}=\frac{n}{V}\\\\&#10;n=\frac{m}{M}\\\\&#10;C_{m}=\frac{m}{MV} \ \ \ \Rightarrow  \ \ \ m=C_{m}MV\\\\&#10;m=0,9\grac{mol}{L}*74\frac{g}{mol}*3,5L=233,1g

B. Add 233 g of KCl to a 3.5 L container; then add enough water to dissolve the KCl and fill the container to the 3.5 L mark. 
4 0
3 years ago
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